ktr pumpenantriebe en
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7/29/2019 KTR Pumpenantriebe En
1/44www.ktr.com Fo
rP
um
pD
rive
s
For advanceddrive
technology
KTR Couplings forPumps and Compressors
KTR features:
innovative quality products
available from stock
short assembly times
optimal cost-performance ratio
worldwide net of distribution
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For advanceddrive
technology
KTR A competent partner!
Quality and Safety
KTR is a worldwide market leader in the range of flexible couplings. With experiences of more than 45 years inpower transmission we place trends in the development of coupling technology. In the meantime many of ourproducts have become an industrial standard and our engineers continuously work on new solutions we arelooking forward to working on your application! Every day more than 800 shipments leave our new modernlogistics center.
Rightly KTR is proud on the fact that the products from its own development can be checked on the test ben-ches in the own company under almost realistic conditions of use from 1 to 100,000 Nm. Furthermore, we areable to compare the calculated data with the results of our theory from our own FEM calculation. Especially forpumps and compressors the theoretic view of the torsional vibrations is of utmost importance. For many yearswe have used a special software ensuring the safe selection of the couplings.
KTR was one of the first companies acting in the range of power transmission that reached a DIN ISO 9001Certification in 1993. In the meantime the Certification has been updated according to ISO 9000-2000. Thisdoes not only refer to the quality of the coupling, but also to the quality and the safety of the necessary prepara-tions from the correct product selection to the reliable handling of orders. KTR actively works in different associ-ations and standard committees. Our competence in these ranges is unquestioned.The latest introduction ofthe ATEX Standard in Europe is only one aspect. Additionally, we have further type examination certificates ofdifferent institutes and our couplings meet the requirements according to API 610, 671 and 685.
Reduce the danger to ignite an explosion to a harmless extent!
The product standard ATEX 95 (in the past ATEX 100a) of the European Parliament and the Council for adjust-ment of legal instructions of the member states for machines and protection systems for the purposive use in
hazardous areas stipulates the rules for the marketing of products that are used in hazardous areas or inclu-ding hazardous areas.
Please find more information on our homepage www.ktr.com or ask for our company catalogue or ourCD-ROM 5.5.
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610/671
610
685
API
KTR Couplings forPumps and Compressors
For advanceddrive
technology
torsionally flexible pin & bush coupling maintenance-free, damping vibrations to be assembled radially fail-safe max. shaft diameter of 370 mm torque range up to TKN = 291,000 Nm
BoWex-ELASTIC
highly flexible curved-toothflange coupling
highly flexible curved-tooth flange coupling elastomer from natural rubber connections according to SAE 61/2 21 max. shaft diameter of 150 mm torque range up to TKN = 9,000 Nm
ROTEX
torsionally flexiblecoupling
POLY
torsionally flexiblecoupling not failsafe
REVOLEX KX
torsionally flexiblepin & bush coupling
POLY-NORM
compact, torsionallyflexible shaft coupling
RADEX-Nsteel lamina coupling
RIGIFLEX-N
steel lamina coupling
MINEX-S
permanent magneticsynchronous coupling
Features
Couplings
torsionally flexible jaw-type coupling failsafe axial plug-in vibration-damping/noise-reducing overall metal-cutting max. shaft diameter of 200 mm torque range up to TKN = 35,000 Nm
big displacements, high restoring forces
increasing the overall service life of all adjacentcomponents
standard spacers up to 250 mm from stock max. shaft diameter of 160 mm torque range up to TKN = 14,300 Nm
torsionally flexible jaw-type coupling for shortshaft distances
failsafe, axial plug-in with ATEX marking available from stock vibration-damping/noise-reducing max. shaft diameter of 125 mm torque range up to TKN = 5,500 Nm
steel lamina coupling spacers up to drop-out center length of 6 m temperature resistance up to 280 C max. shaft diameter of 220 mm torque range up to TKN = 50,000 Nm
steel lamina coupling spacers up to drop-out center length of 6 m temperature resistance up to 280 C max. shaft diameter of 160 mm torque range up to TKN = 13,000 Nm
permanent magnetic synchronous coupling contactless torque transmission hermetic separation of drive and driven side environment-friendly and process-safe maintenance-free temperature resistance up to 300 C torque range up to TKN = 530 Nm
In the aforementioned table you can find the right coupling for each application.
Magneticallycou
pled
pumps
Centrifugalpump
sfor
dieselengines
Centrifugalpump
s
Mobilesrewcom
pressors
Pistoncompress
ors/
turbocompresso
rs
Stationaryscrew
compressors
Rootsvacuumpu
mps
Slidevanerotary
vacuum
pumps
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HubSpacer
Dowel screw (combinationof frictional engagementand positive locking)
Laminae packingwith screws
Laminae set
Safety catch
Special bolts
RIGIFLEX-N / RADEX-NSteel lamina couplingBacklash-free, torsionally rigid and maintenance-free couplings
For advanceddrive
technology
RIGIFLEX-N/RADEX-N couplings are backlash-free, torsionally stiffand maintenance-free all-steel couplings. The laminae which are ex-tremely stiff in torsional direction made of stainless spring steel areable to compensate for high misalignments with low restoring forces.
Due to the all-steel design both coupling systems can be used ondrives with temperatures up to 280 C.
Both couplings were developed specifically for pump drives. Bothtypes are in accordance with the standards of API 610 andRIGIFLEX-N optionally to the standards of API 671.
FEM-optimized laminae design
The steel lamina sets from stainless spring steel were developed onthe basis of FEM calculations.Taking into account the necessaryability for displacement of the coupling, the optimum design regardingtorque transmission and torsional stiffness was aimed at. The fittedshape of the steel laminae on the outside diameter is the result of thisoptimisation calculation. This type of laminae is used for both couplingsystems.
For RADEX-N the laminae are combined by pins and assembled aslamina sets. Subject to improvement on the design of RADEX-Ncomponents the laminae are pre-stressed artificially.This processallows for an increase of torsional stiffness of approx. 30 % and at thesame time prevents the problem of axial vibrations on the spacer.
With RIGIFLEX-N the laminae are connected to the hubs or flanges,respectively, by positive-locking set screws with no backlash at all.
The torques, displacements and stiffness can be varied by the numberof the layer of individual laminae.
Moreover, most important for the development of RIGIFLEX-N was toadhere to the standards of API 610 and 671 by securing the spacer bymeans of a safety catch.
In case that a lamina fails the spacer remains inside the coupling.
In general the spacer is supplied with a pre-assembled lamina set by
the manufacturer.
Explosion protection use
RIGIFLEX-N and RADEX-N couplings are suitable for the use indrives in hazardous areas. The couplings are certified according toEC Standard 94/9/EC (ATEX 95) and belong to category 2G/2D, areconfirmed and thus suitable for the use in hazardous areas of zone
G1, G2, D21 and D22.Further details are shown in the chapter about ATEX 95.
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TKN TK max. TKW d1/d2 max. D DA l1/l2 l3 G t E1 E 1) Mxl TA
65 450 900 225 65 100 126 62 12 M8 20 10 100 140 180 - - M6x20 14
75 940 1880 470 75 105 138 62 12 M8 20 10 100 140 180 - - M8x20 35
85 1700 3400 850 85 120 156 72 15 M10 20 12 - 140 180 200 250 M8x25 35
110 2700 5400 1350 110 152 191 87 18 M10 25 12 - 140 180 200 250 M10x30 69
120 4500 9000 2250 120 165 213 102 20 M12 25 12 - - 180 200 250 M12x30 120140 9000 18000 4500 140 200 265 126 25 M12 30 15 - - - 200 250 M16x40 295
160 13000 26000 6500 160 230 305 145 31 M12 30 15 - - - - 250 M16x50 295
RIGIFLEX-N
RIGIFLEX-N Steel lamina coupling
Type A API 610/671
For advanceddrive
technology
Torque[Nm]Size
Finishbore
Dimensions [mm]Cyl. screws
DIN EN ISO 4762
Type A
Series for pump drives
Coupling in accordance with API 610, API 671optionally.
Spacers are supplied assembled by the manufacturer
Finish bore according to ISO fit H7, feather keyaccording to DIN 6885 sheet 1 - JS9
High balancing quality due to accurate production(AGMA class 9)
Approved according to EC Standard 94/9/EC(Explosion Certificate ATEX 95)
1) Other shaft distances available on request
For selection of coupling see page 132/133 (in the company catalogue)
Mounting instructions KTR standard 47410 under www.ktr.com.
A
Type
d2 120 mm
Bore
d1 100 mm
Bore
200
Shaft distancedimension E
RIGIFLEX-N 120
Coupling size
Order form:
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TKN TK max. TKW
E=100 E=140 E=180 E=200 E=250
65 450 900 225 0,7 1,5 0,75 1,23 1,72 - -
75 940 1880 470 0,7 1,8 0,73 1,22 1,71 - -
85 1700 3400 850 0,7 2,1 - 1,14 1,62 1,87 2,48
110 2700 5400 1350 0,7 2,4 - 1,05 1,54 1,78 2,39
120 4500 9000 2250 0,7 2,6 - 1,00 1,49 1,73 2,35
140 9000 18000 4500 0,7 3,3 - - - 1,55 2,16
160 13000 26000 6500 0,7 3,8 - - - - 1,99
[kg] [kgm2] E=100 E=140 E=180 E=200 E=250 E=100 E=140 E=180 E=200 E=250
65 2,517 0,00491 3,925 4,187 4,448 - - 0,00811 0,00830 0,00848 - -
75 2,424 0,00566 4,482 4,842 5,202 - - 0,01143 0,01191 0,01239 - -
85 3,742 0,01135 - 7,154 7,548 7,746 8,239 - 0,02364 0,02427 0,02459 0,02538
1106,711 0,03222 - 12,492 13,478 13,972 15,205 - 0,06291 0,06540 0,06665 0,06976
120 9,181 0,05238 - - 17,324 17,842 19,137 - - 0,10314 0,10458 0,10818
140 18,211 0,15175 - - - 32,530 34,325 - - - 0,31901 0,32845
160 28,777 0,31927 - - - - 51,780 - - - - 0,67511
0 0,1 0,2 0,3 0,4 0,5 0,6 0,7
65 1,50 1,29 1,07 0,86 0,64 0,43 0,22 0,00
75 1,80 1,54 1,29 1,03 0,77 0,52 0,26 0,00
85 2,10 1,80 1,50 1,20 0,90 0,60 0,30 0,00
110 2,40 2,06 1,71 1,37 1,03 0,69 0,34 0,00
120 2,60 2,23 1,86 1,48 1,11 0,74 0,37 0,00
140 3,30 2,83 2,36 1,88 1,41 0,94 0,47 0,00
160 3,80 3,26 2,71 2,17 1,63 1,09 0,54 0,00
ca[N/mm]
cw[Nm/rad] E=100 E=140 E=180 E=200 E=250
65 8000 136 860 360000 146022 129938 117046 - -
75 6700 340 1500 720000 306145 278381 255234 - -
85 5900 385 2300 1062000 - 406641 369429 353265 318433
110 4750 390 2800 1460000 - 664284 637587 625028 595693
120 4300 600 4100 4500000 - 1798018 1637553 1567602 1416348
140 3400 580 6400 5600000 - - - 2363340 2226630
160 3000 620 9800 6850000 - - - - 2654894
SizeMax.speedunbalanced
[min-1] 2)
Size
Weights [kg] / Mass moments of inertia x 10-3 [kgm2]
Hub(max. bore)
Spacer complete[kg]
Spacer complete[kgm2]
RIGIFLEX-N Steel lamina coupling
Technical data
For advanceddrive
technology
2) Higher speeds balanced on requestca = axial stiffness cw = angular stiffness ct = torsion spring stiffness
Laminaect
[Nm/rad]
ct for mounting length [Nm/rad]
Stiffness
Size
Permissible angular displacement
Permissible axial displacement
1) Angular displacement for each lamina setIf axial, angular or radial shaft displacement arise in parallel please note the following table:
Torque [Nm] Permissible misalignments
Angular KW 1)
[]
Axial KA
[mm]
Radial KR [mm]
Weights and mass moments of inertia
Torques, misalignments
Permissible speeds, stiffness
Size
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RIGIFLEX-N
Clamping ring hub
Clamping ring
Slidingsleeve
Clampingscrews
Integrated overload protection
A clamping ring hub with integrated sliding sleeve isused. If too high torques occur in the drive train, theclamping ring hub slips through on the shaft with thesliding sleeve. The shaft is not damaged; the sleeveserves as wearing part that must be exchanged ifnecessary.
The slipping torque can be adjusted through thetightening torque of the clamping screws.
Pulling-off screws
RADEX-N with an electrically insulatingspacer from GRP.
RADEX-N with spacer from CFRP to bridgelager shaft distances with a very favourable
weight ratio.
RIGIFLEX-N Steel lamina coupling
Other designs
For advanceddrive
technology
Assembly
The spacers of RIGIFLEX-N have with drawing screws, serving fordisassembly and assembly. The screws make sure that the adapter
flanges are drawn in the direction of the spacer and consequently slipoff the centering in order to assure a radial disassembly of the spacerincluding the laminae sets.
NON SPARKING
Basically the NON SPARKING couplings of KTR are provided witha safety stop as described in the API 671 standard. In this way it isassured that sparks cannot be produced by rotating coupling parts,since the spacer is kept inside the coupling in case that the laminae
fail.Moreover, the special materials of the parts that are stressed in casethat the laminae fail avoid the production of impact or friction sparks.
The laminae and pins of RIGIFLEX-N are made from MONEL.The spacers of NON SPARKING designs are basically made fromstainless materials, since they are considered to be generallyrecognized as safe in combination with copper alloys.
Due to the special materials used the transmittable torques arereduced compared to the standard series.
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dmax. d2 max. D DA EStandard1)
100 140 180 250l1/ l2
42
50
60
70
80
85
90
105
115
135
160
180
190
220
42
50
60
70
80
85
90
105
115
135
160
180
190
220
TKW
60
110
230
270
500
800
1500
1700
3000
4000
5000
8000
12000
16000
TK max.
360
660
1380
2200
3000
4800
9000
10200
18000
24000
30000
50000
70000
100000
TKN
180
330
690
1100
1500
2400
4500
5100
9000
12000
15000
25000
35000
50000
58
65
80
90
105
115
120
130
150
68
78
88
102
117
123
132
147
163
184
213
242
265
305
104
126
138
156
179
191
210
225
265
305
340
390
440
495
45
55
55
65
75
80
80
90
100
135
160
180
190
220
1,0
1,0
1,3
1,3
1,3
1,3
1,0
1,0
1,0
1,0
0,7
0,7
0,7
0,7
2,8
3,2
2,0
2,2
2,6
2,3
2,0
2,4
2,8
3,5
5,5
6,0
7,0
8,0
Axial[mm]
Torques [Nm]
RADEX-N Steel lamina couplingStandard line NANA 3
for pump drives according to API 610
For advanceddrive
technology
1) Other E-dimensions available on request.
Line NANA 3 for pump drives Coupling according to API 610 High balancing quality due to precise manufacture
(AGMA class 9)
Device to secure the spacer if the lamina breaks(see detail X) Also available with large hub for larger bore diameters Finish bore according to ISO fit H7,
feather keyway according to DIN 6885 sheet 1 - JS9 Approved according to EC Standard 94/9/EC
(Explosion Certificate ATEX 95)
Angle eachlamina []
SizeDimensions [mm] Perm.displacements
Standardhub
Standardhub
Largehub
Securing device of the spacer:The laminae packings have a sleeve in order tosecure the spacer if the lamina breaks.
Order form: RADEX-N 60
Coupling size
NANA 3
Type
50
Bore d1
60
Bore d2
140
Shaft distancedimension
Acc. to
customers request
Detail X
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42
5060
70
80
85
90
105
115
135
160
180
190
220
10000 0,282
8000 0,5016700 0,56
5900 0,90
5100 1,14
4750 1,52
4300 1,94
4000 2,54
3400 3,48
3000 6,85
2800 32,2
2400 42,3
2150 76,8
1950 98,0
42
50
60
70
80
85
90
105
115
135
160
180
190
220
1,076
1,752
1,878
2,778
4,120
5,115
6,196
7,601
11,951
18,900
27,776
39,765
57,367
82,152
[kg] [kgm2] [kg] [kgm2] 100 140 180 250 100 140 180 250
0,00123
0,00291
0,00378
0,00714
0,0134
0,0195
0,0282
0,0414
0,0899
0,1866
0,3480
0,6283
1,1301
2,0228
0,248
0,462
0,395
0,432
0,719
1,011
2,309
2,194
3,931
7,265
7,938
12,869
17,584
22,158
0,0002
0,0003
0,0006
0,0009
0,002
0,003
0,008
0,01
0,02
0,11
0,15
0,32
0,53
0,87
1,109
1,469
2,034
2,503
3,419
2,106
1,678
2,421
2,945
3,892
4,947
2,432
1,886
2,807
3,387
4,359
5,517
4,815
4,160
5,188
6,516
7,850
12,988
19,988
0,00169
0,00427
0,00738
0,01218
0,01974
0,00446
0,00464
0,00831
0,01357
0,02144
0,03268
0,00490
0,00501
0,00923
0,01495
0,02312
0,03504
0,00938
0,01738
0,02611
0,03916
0,05410
0,12735
0,25154
42 4 x M8 35
50 4 x M10 69
60 6 x M8 33
70 6 x M10 65
80 6 x M10 6585 6 x M12 115
90 6 x M16 280
105 6 x M16 280
115 6 x M20 550
135 6 x M24 900
160 6 x M24 900
180 6 x M30 1850
190 6 x M33 2450
220 6 x M36 3150
RADEX-N
Hub(max. bore)
Lamina packingSpacer
[kg]Spacer[kgm2]
Explosion protection use
RADEX-N couplings are suitable for the use in drives in hazardous areas.The couplings are certified accor-
ding to EC Standard 94/9/EC (ATEX 95) and belong to category 2G/2D, are confirmed and thus suitable for theuse in hazardous areas of zone G1, G2, D21 and D22.Clamping ring hubs (clamping hub without shoulder bolt only for category 3) used in hazardous areas must beselected in a way that there is a safety of s = 2 from the peak torque of the unit including all operating parame-ters to the torque of frictional engagement and to the nominal torque of the coupling.Further information about this topic under www.ktr.com.
The following lamina types are distinguishedfor RADEX-N:
Size 42 50(4 hole lamina)
Size 60 135(6 hole lamina)
Size 160 220(6 hole lamina)
For advanceddrive
technology
RADEX-N Steel lamina coupling
Technical data API 610
Acc. to
customers request
Acc. to
customers request
SizeMax. speed unbalanced [min-1]
(higher speeds balanced on request)Torsion spring rigidity x 106 [Nm/rad]
per laminae set
Permissible speeds, torsional stiffness
Size
Weights [kg] / Mass moments of inertia x 10-3 [kgm2]
Weights and mass moments of inertia
Screw tightening torques of laminae:
Size Screw TA [Nm]
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TKN
TKW
TK max
Assembly and operating advice
(please see our mounting instructions KTR standard47110 and 47410 see www.ktr.com) For the assembly it is
important to make sure that the laminae sets are assembledfree from distortion in axial direction.The screw tighteningtorques are shown in the mounting instructions.
If the finish bore is machined by the customer, theconcentric and axial running tolerances have to beobserved (see sketch below).
Balancing:
On request of the customer the couplings can be balanced.
For most applications this is not necessary due to theaccurate machining of the coupling.Please consult with KTR for any further questions.
Installation:
RIGIFLEX-N/RADEX-N couplings are designed forhorizontal installation. For vertical installation the spacer
has to be supported (see sketch below).Please contact:
Safety regulations:
The coupling must be selected in a way that the permissiblecoupling load is not exceeded in any operating condition.For that purpose a comparison between the actual loadswith the permissible coupling characteristics has to beperformed.
The customer must protect rotating parts against unintendedtouch (Safety of Machines DIN EN 292 part 2). Please take
precautions that there is a sufficient coupling protection incase of a fracture of the coupling caused by overload.
Description Code Explanation
Rated torque ofcoupling
Torque which can be trans-mitted continuously over theentire speed range of thecoupling.
Vibratory torqueof coupling
Torque amplitude of thepermissible periodic torquefluctuation with a frequencyof 10 Hz and a basic load ofTKN or dynamic load up toTKN.
Description Code Explanation
Maximum torqueof coupling
Torque which can be trans-mitted during the entire life ofthe coupling 105 times asspike load or 5 x 104 times asalternating load.
RIGIFLEX-N / RADEX-NSteel lamina couplingBacklash-free, torsionally rigid and maintenance-free couplings
For advanceddrive
technology
Explanation of the coupling torques
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SB
2,5
1,5
Kr = g tan (Kw)
TKN TN Sb St SR
TKmax TN A1 St SR
TKmax (TN + TS)
TKN TN Sb St SR
TKmax TSR
TKW TW
RADEX-N
Guidelines for operating factor SBApplication
Piston pumps
Centrifugal pumps
The nominal torque TKN of the coupling is:
The shock torque TKmax of the coupling is:
TN = Torque of the machine
SB = Operating factor
SR = Factor of direction= 1,00 same torque direction= 1,70 changing torque direction
St = Operating temperatureTemperature factor
C - 30 0 + 150 + 200 + 230 + 270Factor 1,00 1,00 1,00 1,10 1,25 1,43
2.2 Loading by torque shocks
The permissible maximum torque TKmax of the couplingmust be at least as big as the sum of the peak torque TSand the rated torque TN of the machine.This is valid incase that the rated torque of the machine is super-imposed by a shock (e. g. starting of the engine). Fordrives with A. C. motors and large masses on the loadside we would recommend calculations by our simula-tion programme (please consult with our EngineeringDepartment).
2. Selection of the coupling size
Drives without periodic torsional vibrations
For example centrifugal pumps, fans, screwcompressors, etc.The coupling selection requires thatthe rated torque TKN and the maximum torque TKmax arereviewed.
2.1 Loading by rated torque
Taking into account the operating factor SB thepermissible rated speed must be at least as large asthe rated torque TN of the machine.
3. Drives with periodic torsional vibrations
For drives subject to dangerous torsional vibrations(e. g. diesel engines, piston compressors, piston pumps,generators, etc.) it is necessary to perform a torsionalvibration calculation (please consult with our Enginee-ring Department).
3.1 Loading by rated torque
Taking into account the operating factor SB the permissi-ble rated torque must be at least as big as the ratedtorque TN of the machine.
3.2 Passing through resonance
The peak torque TSR arising while passing throughresonance must not exceed the permissible maximumtorque of the coupling TKmax.
3.3 Loading by vibratory torque
The permissible vibratory torque of the coupling TKWmust not be exceeded by the maximum periodicvibratory torque of the machine TW.
RIGIFLEX-N / RADEX-NSteel lamina couplingBacklash-free, torsionally rigid and maintenance-free couplings
For advanceddrive
technology
1. Permissible displacements:
Ka: Permissible axial displacementKw: Permissible angular displacementKr: Permissible radial displacement
The steel lamina couplings are selected in a way thatthe maximum permissible angular excursion Kw maybe compensated by every lamina set. Consequently themaximum permissible angular excursion of two shaftscombined with each other is 2 Kw. The maximum an-gular excursion for each lamina set is shown in the table"Technical capacity utilization".
Angular displacement
The permissible radial displacement Kr with distanceg of the coupling elements is
Radial displacement
In the table Technical data (RADEX-N page 9 andRIGIFLEX-N page 6) you can see the max. permissibleradial displacements Kr for every size and type basedon the given standard lengths of the flange hollow shaftas well as the permissible angular displacement Kw ofthe coupling elements.The max. permissible axial displacements Ka forevery size and type are also mentioned in the tableTechnical data.The figures of the permissible displacements
indicated are dependent on each other!With an increasing axial displacement Ka thepermissible angular displacement Kw decreasesand thus the radial displacement Kr. (See ourmounting instructions www.ktr.com).
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SA 22/4
SA 34/10
SA 46/6
SA 60/8
SB 60/8
SA 22/4
SA 34/10
SA 46/6
SA 60/8
SB 60/8
0,15
1
3
7
14
5
5
8
5
5
5
9
9
12
9
12
16
11
14
19
28
38
22 35
50 94,5 12,0
M5 59 75 89,5 5,5 8
20
20
28
18
22
30
38
53
69,5
35
38,5
53
66
93
8,5
10,5
16
19
15
5,0
5,5
9,0
M4
M4
M5
M6
M8
23,5
36,0
48,5
61,1
61,6
24,8
37,3
49,4
63,2
63,2
42
46
68,5
80
105
42
49,5
69,5
81,3
108
20
22
33
36
56
2,0
2,0
6,5
2,2
0,0
2,0
5,5
7,0
3,5
3,5
M3
M3
M4
21,5
34
46
38
46
66
46
55
78
4,5
4,5
4,5
8
4
8
DA1 DA3 LA1 LA2 S GA DS6 DA5
DI1 LI1min. max.
GI DS1 DS2 DS3 DS4 ZSSI
min. max. min. max.
min. max.
SA = SI + S
NdFeB tmax. = 150 CSm2Co17 tmax. = 300 C
MINEX-SPermanent magnetic coupling
Sizes SA 22/4 to SB 60/8 API 685
For advanceddrive
technology
Contactless torque transmission
Hermetic separation of drive and driven side
Available from stock with pilot bored internal rotor andunbored external rotor
Finish bore possible to ISO H7,feather keyway to DIN 6885 sheet 1 - JS9
Standard containment shroud made from stainless steel1.4571
Approved according to EC Standard 94/9/EC(Explosion Certificate ATEX 95)
Mounting instructions available at www.ktr.com
Design di 20 mm
Finish bore H7; feather key-way DIN 6885 sheet 1 [JS9]
Finish bore H7; feather key-way DIN 6885 sheet 1 [JS9]
da 24 mmMINEX SA 60/8
Coupling size
Order form:
1) Bore H7 with feather keyway DIN 6885 sheet 1 [JS9]
total
Ltotal
Dimensions [mm]
Dimensions [mm]
Finish bore 1) di
Finish bore 1) da
Internal rotor
External rotor
Containment shroud
General
TKmax.[Nm]
in case of~ 20 C
MINEX-S
size
MINEX-Ssize
Internalrotor
Containmentshroud
Externalrotor
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SA 75/10SB 75/10SC 75/10SA 110/16SB 110/16SC 110/16SB 135/20SC 135/20SD 135/20SC 165/24SD 165/24SE 165/24SD 200/30SE 200/30
SA 75/10SB 75/10SC 75/10SA 110/16SB 110/16SC 110/16SB 135/20SC 135/20SD 135/20SC 165/24SD 165/24SE 165/24SD 200/30
SE 200/30
4161
83,54161817090
11090
110130
102440256095
100145200210280370410530
12
90
126
150
180
100
135
160
188
110
145
170
198
M6
M6
M6
M6
212 222 232 M6
74,6
111,5
136,5
167,0
198
76,2
112,8
138,2
168,5
199,5
102
115
139
170
180
12,5
19,0
18,5
14,5
22,018,5
21,0
26,0130
14
20
24
28
55
70
90
40
72
90
110
4
4
4
6
M6
M8
M10
M12
75
110
135
163,5
100
133
158
192
118
153
178
218
9
9
9
11
8
12
16
12
38 90 130 135 18,06 M16 200 252 278 11 12
39,55880456585658511085110130
46,526,56,0
51,031,011,046,526,57,0
46,524,014,0
DA1 DA2 DA3 DA4 LA1 S DS6 DA5
DI1 LI1min. max.
GI DS1 DS2 DS3 DS4 ZSSImin. max.
SA = SI + S
NdFeB tmax. = 150 CSm2Co17 tmax. = 300 C
MINEX-S
MINEX-SPermanent magnetic coupling
Sizes SA 75/10 to SE 200/30 API 685
For advanceddrive
technology
Ltotal
total
Contactless torque transmission
Hermetic separation of drive and driven side
Two-part external rotor with flange hub that must beseparately screwed, customer-specific variations are
possible Available from stock with pilot bored internal rotor
Finish bore possible to ISO H7,feather keyway to DIN 6885 sheet 1 - JS9
Containment shroud also available from stainless steel orHastelloy
Approved according to EC Standard 94/9/EC(Explosion Certificate ATEX 95)
Design di 20 mm
Finish bore H7; featherkeyway DIN 6885 sheet 1 [JS9]
da 24 mm Containment shroud type
Stainless steel 1.4571or Hastelloy
MINEX SB 75/10
Coupling size
Order form:
1) Bore H7 with feather keyway DIN 6885 sheet 1 [JS9]Futher sizes on request
Dimensions [mm]
Dimensions [mm]
Finish bore 1) di
Internal rotor
External rotor
Containment shroud
General
TKmax.
[Nm]in case of~ 20 C
MINEX-S
size
MINEX-S
size
Internalrotor
Containmentshroud
Externalrotor
Optionalflange hub
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7/29/2019 KTR Pumpenantriebe En
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=
92 Sh A
95/98 Sh A
64 Sh D-F
94 Sh A-T
64 Sh D-H
PA
PEEK PEEK
spider 95/98 Sh A optimum combination with hub
material EN-GJL-250 (GG 25);steel; EN-GJS-400-15 (GGG 40)
transmitting high torques yetdamping vibrations
temperature range from- 30 C to + 90 C
standard spider 92 Sh A suitable for all hub materials for all applications in general
engineering/hydraulics good dynamic properties temperature range from
- 40 C to + 90 C
spider 64 Sh D-F optimum combination with hub
material steel;EN-GJS-400-15 (GGG 40)
transmitting twice the torque ofspider 92 Sh A
small twisting angle spider suitable for critical drives resistant to hydrolysis
-polyamide
green hytrel
blue with yellowtooth flanks polyurethane
- 20 to +130 1) - 30 to +150 1)
light grey
Small twisting angles and high torsion spring stiffness, 1)high ambient temperature, good resistance to chemicals
Drives with higher loads, small twisting angles -torsionally rigid, high ambient temperatures
I.C.-engines, for high dynamic load,high air moisture/resistant to hydrolysis
Small twisting angles and high torsion spring stiffness,very high ambient temperature, good resistance to chemicals,resistant to hydrolysis
up to +180(ATEX release upto a max.+160)
up to +250
- 50 to +110 - 40 to +120
- 50 to +110 - 50 to +120
Typicalapplications Continuous
temperatureMax. temperature
short time
Perm. temperature range (C)Spidertype
hardness(Shore)
Identification
colourMaterial
Spiders for special applications on request for:
natural whitewith greentooth flanks
polyurethane
red polyurethane
yellow polyurethane
- 30 to +110 - 30 to +130
- 30 to +90 - 40 to +120
- 40 to +90 - 50 to +120
Continuoustemperature Max. temperatureshort time
size 14 180
size 14 180
size 14 180
I.C. - engines high air moisture, resistant to hydrolysis displacement of critical speeds
good torque transmissionwith good damping properties
for all applications in general engineeringand hydraulics
Standard applications with average elasticity
Typical
applications
Available for
coupling size
Perm. temperature range (C)Spidertype
hardness(Shore)
Identification
colour Material
Standard spiders
ROTEX Torsionally flexible couplings
Description of coupling/Spider types
For advanceddrive
technology
1) Different properties depending on compound
period
Comparison of loads Twisting angle Damping
Standard spidertooth flanks crowned
GS spiderstooth flanks rectangular, with web
torqueT
w/o damping
with dampingtwisting angle
Twisting angle
Dampings- [AD]Flex.deformation [Ae]operation
torqueT
dyn.charact.curve CTdyn.
operating point
stat. charact.curveCTstat.
torqueT
Spider types Materials, physics, properties
Spiders
An operating temperature range of - 40 to + 100 C ensures perfect operation. Tran-sient temperature peaks up to + 120 C do not cause any damage on the coupling.Continuous improvement of materials has resulted in a standard spider of 92 Shore Awhich offers various advantages over usual polyurethane materials. For higher torquesit is also possible to make use of a spider 95/98 Shore A or 64 Shore D-F.
The spiders are extremely resistant to wear, oil, ozone and ageing. In addition, they areresistant to hydrolysis (ideal for tropical climates).
The high internal damping protects the drive against dynamic overload.
ROTEX - couplings are characterized by small dimensions, low weight and low massmoments of inertia yet transmit high torques. Running quality and service life of thecoupling are improved by accurate all-over machining.
Their application is ideal for transmitting torque while damping torsional vibrations and
absorbing shocks produced by the uneven operation of certain prime movers.
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ROTEX
30 C+40 C +60 C +80 C
+30 C
St 1,0 1,2 1,4 1,8
TKN TN St
TKN TN St
TK max TS St
TKW TW St
TK max TS Sz St + TN St
PAN/LN [kW]TN [Nm] = 9550 n [1/min]
JL JAMA = ML = JA + JL JA + JLPKW PW
TKN
TK max
TKW
PKW
TN
TS
TAS
TLS
TW
PW
JA
JL
MA
MLJL JA
MA = ML =JA + JL JA + JL
Description Symbol Definition or explanation Description Symbol Definition or explanation
Rated torqueof coupling
Torque that can continuously be transmittedover the entire permissible speed range
Maximum torqueof coupling
Torque that can be transmitted as dynamicload 105 times or 5 x 104 as vibratory load,respectively, during the entire operating lifeof the coupling
Vibratory torqueof coupling
Torque amplitude of the permissible perio-dical torque fluctuation with a frequency of
10 Hz and a basic load of TKN or dynamicload up to TKN, respectively
Damping powerof coupling
Permissible damping power with an ambienttemperature of + 30 C.
Rated torqueof coupling
Stationary rated torque on the coupling
Peak torqueof the machine
Peak torque on the coupling
Peak torqueon the driving side
Peak torque with torque shock on the drivingside, e.g. breakdown torque of the electricmotor
Peak torqueof load side
Peak torque with torque shock on load side,e. g. braking
Vibratory torqueof machine
Amplitude of the vibratory torque effectiveon the coupling
Damping power ofthe machine
Damping power which is effective on thecoupling due to the load produced by thevibratory torque
Moment of inertia
of driving side
Total of moments of inertia existing on the
driving or load side referring to the couplingspeedMoment of inertiaof load side
Rotational inertiacoefficient of drivingside
Factor taking into account the massdistribution with shocks and vibrationsproduced on the driving or load side
Rotational inertiacoefficient of loadside
ROTEX Torsionally flexible couplings
Coupling selection
For advanceddrive
technology
SA/SL
gentle shocks 1,5average shocks 1,8
heavy shocks 2,5
starting100 200 400 800
frequency/h
SZ 1,0 1,2 1,4 1,6
Service factor St for temperature Service factor SZ for starting frequency Service factor SA/SL for shocks
Permissible load on feather key of the coupling hub
The shaft-hub-connection has to be verified by the customer.
Permissible surface pressure according to DIN 6892(method C).
Cast iron EN-GJL-250 (GG 25) 225 N/mm2
material nodular iron EN-GJS-400-15 (GGG 40) 225 N/mm2
material steel S355J2G3 (St 52.3) 250 N/mm2
for other steel materials pzul = 0,9 Re02
Drive-sided shockTS = TAS MA SA
Load-sided shockTS = TLS ML SL
The ROTEXcoupling is selected in accordance with DIN 740 part 2.The coupling has to be dimensioned in a way that the permissiblecoupling load is not exceeded in any operating condition. For this purpose the actual loads have to be compared to the permissibleparameters of the coupling.
1.1 Load produced by ratedtorque
Taking into considerationthe ambient temperature,the permissible ratedtorque TKN of the couplinghas to correspond at leastto the rated torque TN ofthe machine.
1.2 Load produced by
torque shocksThe permissible maxi-mum torque of the coup-ling has to correspond atleast to the total of peaktorque TS and the ratedtorque TN of the machine,taking into account theshock frequency Z andthe ambient temperature.
This applies in case if the
2.1 Load produced byrated torque
Taking into account the ambient temperature, the permissiblerated torque TKN of the coupling has to correspond atleast to the rated torque TN of the machine.
2.2 Passing through theresonance range
Taking into account the temperature, the peak torque TSarising when the resonance range is run through must notexceed the maximum torque TKmax of the coupling.
2.3 Load produced by vibratorytorque shocks
Taking into account the ambient temperature, the per-missible vibratory torque TKW of the coupling must not beexceeded by the highestperiodical vibratory torque TWwith operating speed.
For higher operating frequencies f > 10, the heat produced bydamping in the elastomer part is considered as damping po-wer PW.
The permissible damping power PKW of the couplingdepends on the ambient temperature and must not beexceeded by the damping power produced.
rated torque TN of the machine is at the same time subject toshocks.
Knowing the mass distribution, shock direction and shock mode,the peak torque TS can be calculated.
For drives with A. C.-motors with high masses on the load sidewe would recommend to calculate the peak driving torque withthe help of our simulation programme.
1 Drives without periodical torsional vibrations
e. g. centrifugal pumps, fans, screw compressors, etc.The coupling is selected taking into account the rated torquesTKN and maximum torque TK max.
2. Drives with periodical torsional vibrations. For drives sub-
ject to high torsional vibrations, e. g. diesel engines, pistoncompressors, piston pumps, generators, etc., it is necessaryto perform a torsional vibration calculation to ensure a safeoperation. If requested, we perform the torsional vibration cal-culation and the coupling selection in our company. For ne-cessary details please see KTR standard 20004.
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1 1a2 1 1a2
143) 1a 7,5 12,5 6-16 35 11 13 10 1,5 30 10 30 M4 5 1,5
191
10 17 6-19
66 25 16 12 2 41 1832
20 M5 10 21a 19-24 41
241
35 60 9-24
78 30 18 14 2 56 2740
24 M5 10 21a 22-28 56
281
95 160 10-28
90 35 20 15 2,5 66 3048
28 M8 15 101a 28-38 66
1 12-38 66
38 1a 190 325 405 38-45114 45
24 18 3 80 3878
37M8 15 10
1b 12-45 164 70 62
1 14-42 75
42 1a 265 450 560 42-55126 50
26 20 3 95 4694
40M8 20 10
1b 14-55 176 75 65
1 15-48 8548 1a 310 525 655 48-60
140 5628 21 3,5 105 51
10445
M8 20 10
1b 15-60 188 80 69
1 20-55 98
55 1a 410 685 825 55-70160 65
30 22 4 120 60 11852
M10 20 17
1b 20-70 210 90 120 -
1 22-65 115 61
65 1a 625 940 1175 65-80185 75
35 26 4,5 135 68135 -
M10 20 17
1b 22-80 235 100
1 30-75 135 69
75 1a 1280 1920 2400 75-95210 85
40 30 5 160 80160 -
M10 25 17
1b 30-95 260 110
1 40-90 160 81
90 1a 2400 3600 4500 90-110245 100
45 34 5,5 200 100200 -
M12 30 40
1b 40-110 295 125
100 1 3300 4950 6185 50-115 270 110 50 38 6 225 113 180 89 M12 30 40
110 1 4800 7200 9000 60-125 295 120 55 42 6,5 255 127 200 96 M16 35 80
125 1 6650 10000 12500 60-145 340 140 60 46 7 290 147 230 112 M16 40 80
140 1 8550 12800 16000 60-160 375 155 65 50 7,5 320 165 255 124 M20 45 140
160 1 12800 19200 24000 80-185 425 175 75 57 9 370 190 290 140 M20 50 140
180 1 18650 28000 35000 85-200 475 195 85 64 10,5 420 220 325 156 M20 50 140
NEW
NEW
ROTEX Torsionally flexible couplings
Shaft coupling design No. 001 - casted materials
For advanceddrive
technology
MONITEX
coupling monitoringp.43
Components
Torsionally flexible, maintenance-free
Damping vibrations
Axial plug-in, fail-safe
Allover machining good dynamic properties
Compact design/small flywheel effect Finish bore according to ISO fit H7,
feather keyway according to DIN 6885 sheet 1 - JS9
Basic programme/stock programme see pages 38and 39
Approved according to EC Standard 94/9/EC(without aluminium AL-D)
Mounting instructions under www.ktr.com
ROTEXAluminium diecast (AI-D)
Spider (part 2) 1) Dimensions [mm]
Size Compo- Rated torque [Nm] Finish bore General Thread for setscrewsnent
92 Sh A 98 Sh A 64 Sh D d (min-max) L l1; l2 E b s DH dH D; D1 N G t TA [Nm]
ROTEXCast iron EN-GJL-250 (GG 25)
ROTEXNodular iron EN-GJS-400-15 (GGG 40)
= Material marking that the calculation/order is based on if no material is mentioned in the order.1) Maximum torque of the coupling TKmax. = rated torque of the coupling TK Nenn. x 2. 2) From size 125 thread for setscrews on request. 3) Material Al-H.
AL-D (thread opposite the keyway) EN-GJL-250 / EN-GJS-400-15 (thread on the keyway)
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ROTEX
1 1 1 2 1a 1b2
NEW
NEW
141a
7,5 12,5 16 0-1635 11
13 10 1,5 30 10 30 M4 5 1,51b 50 18,5
191a
10 17 21 0-2566 25
16 12 2 40 18 40 M5 10 21b 90 37
241a
35 60 75 0-3578 30
18 14 2 55 27 55 M5 10 21b 118 50
281a
95 160 200 0-4090 35
20 15 2,5 65 30 65 M8 15 101b 140 60
381
190 325 405 0-48114 45
24 18 3 80 3870 27
M8 15 101b 164 70 80
421
265 450 560 0-55126 50
26 20 3 95 4685 28
M8 20 101b 176 75 95
481
310 525 655 0-62140 56
28 21 3,5 105 5195 32
M8 20 101b 188 80 105
55 1 410 685 825 0-74 160 65 30 22 4 120 60 110 37 M10 20 171b 210 90 120
651
625 940 1175 0-80185 75
35 26 4,5 135 68115 47
M10 20 171b 235 100 135
751
1280 1920 2400 0-95210 85
40 30 5 160 80135 53
M10 25 171b 260 110 160
901
2400 3600 4500 0-110245 100
45 34 5,5 200 100160 62
M12 30 401b 295 125 200
92 Sh A 98 Sh A
14
19
1a
1a
7,5
10
12,5
17
35 11 13 10 1,5 30 10 30 - M4 5 1,5
66 25 16 12 2 40 18 40 - M5 10 2
L l1; l2 E b s DH dH D N G t TA [Nm]
Order form: ROTEX-38
Coupling size
St
Material
92
Spider hardnessShore A]
1 45 1a 25
Hub Finish bore Hub Finish boredesign design
ROTEX Torsionally flexible couplings
Shaft coupling design No. 001 - material steel
For advanceddrive
technology
MONITEX
coupling monitoringp.43
Hubs from steel, specifically suitable for drive elementssubject to high loads, e. g. steel mills, elevator drives,spline hubs, etc.)
Torsionally flexible, maintenance-free, vibration-damping
Axial plug-in, fail-safe Allover machining - good dynamic properties
Compact design/small flywheel effect
Finish bore according to ISO fit H7,feather keyway according to DIN 6885 sheet 1 - JS9
Basic programme/stock programme see pages 38 and 39
Approved according to EC Standard 94/9/EC(Explosion Certificate ATEX 95)
Mounting instructions under www.ktr.com
Components
Steel (thread on the keyway)
Standard Spider Large Large hubhub hub lengthened
- ROTEX 19, 28 and 42 hub material X10CrNiS 18-9 material number 1.4305 (V2A) DIN 17440- ROTEX 24, 38 and 48 hub material X6CrNiMoTi17-12-2 material number 1.4571 (V4A) DIN 17440
ROTEX19 48 from stainless steel available from stock
ROTEXsteel
Spider (part 2) 1) Dimensions [mm]
Size Compo- Rated torque [Nm] Finish bore General Spec. for steel Thread for setscrewsnent
92 Sh A 98 Sh A 64 Sh D d (min-max) L l1; l2 E b s DH dH D N G t TA [Nm]
Size Compo-
nent
Spider (part 2) 1)
Rated torque [Nm] General Thread for setscrews
Dimensions [mm]
Finish bored
ROTEX sintered steel
unbored, 8, 10, 11, 12, 14
unbored, 14, 16, 19, 20, 22, 24
= If no material is mentioned in the order, the calculation/order is based on the material marked with
1) Maximum torque of the coupling TKmax. = rated torque of the coupling TK Nenn. x 2
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21H 1H
L l1; l2 E b s DH D DK1 DK2 x1/x2 E1 MxlTA
[Nm]
19 1H 20 66 25 16 12 2 40 - 46 - 17,5 31 M6x16 14
24 1H 28 78 30 18 14 2 55 - 57,5 - 22,5 33 M6x20 14
28 1H 38 90 35 20 15 2,5 65 - 73 - 25,5 39 M8x25 35
38 1H 45 114 45 24 18 3 80 - 83,5 - 35, 43 M8x30 35
42 1H50
126 50 26 20 3 9585 - 93,5
39,0 48M10x30
6955 - 97 - M10x35
48 1H55
140 56 28 21 3,5 10595 - 105
45,0 50M12x35
12060 - 108,5 - M12x40
55 1H65
160 65 30 22 4 120110 - 119,5
50,0 60M12x40
12070 - 122 - M12x45
65 1H
70
185 75 35 26 4,5 135
115 - 123,5
60,0 65
M12x40
12080 - 132,5 - M12x45
75 1H80
210 85 40 30 5 160135 - 147,5
67,5 75 M16x50 29590 - 158 -
90 1H90
245 100 45 34 5,5 200160 - 176
81,5 82 M20x60 580110 - 197 -
100 1) 1H 110 270 110 50 38 6 225 180 - 185,5 83 102 M16x50 295
110 1) 1H 120 295 120 55 42 6,5 255 200 - 208 90 115 M20x60 580
125 1) 1H 140 340 140 60 46 7 290 230 - 242,5 103 130 M24x70 1000
ROTEX Torsionally flexible couplingsFlange programmDesign A-H
For advanceddrive
technology
Dimensions[mm] Cylinder screwsDIN EN ISO 4762Size
A-H
Compo-nent
Finishbore
dmax.[mm]
Assembly/disassembly by means of 4 screws only
Exchange of spider with no need to shift the driving and dri-ven side (motor and pump)
Positive-locking and frictionally engaged hub combinations tobe assembled radially (dimension E1 of design AFN =dimension E1 of A-H)
Finish bore according to ISO tolerance H7, feather keyaccording to DIN 6885 sheet 1 - JS9
Please order our separate dimension sheet (M425460)
Approved according to EC Standard 94/9/EC(Explosion Certificate ATEX 95)
Mounting instructions under www.ktr.com
Design A-H
Components
Order form: ROTEX-38 A-H 98 1H 38 1H 30
Coupling Design Spider hardness Compo- Finish bore Compo- Finish boresize [Sh A] nent d1 nent d2
1) From size 100: 4 clamping screws for each clamping hub.
Please note:With maximum bore the feather keys are offset to each other by approx. 5!
Hub materials: up to size 90 S355J2G3
from size 100 EN-GJS-400-15
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ROTEX
2 6x 21Dh 1Dh
1,4
1,5
1,8
2,0
2,1
2,2
2,6
3,0
3,4
18
20
24
26
28
30
35
40
45
M6x20
M8x25
M8x30
M10x30
M12x35
M12x40
M12x40
M16x50
M20x60
14
35
35
69
120
120
120
295
580
22,5
25,5
35,5
39,0
45,0
50,0
60,0
67,5
81,5
30
35
45
50
56
65
75
85
100
27
30
38
46
51
60
68
80
100
-
-
-
85
95
110
115
135
160
55
65
80
95
105
120
135
160
200
28
38
45
55
60
70
80
90
110
24
28
38
42
48
55
65
75
90
35
95
190
265
310
410
625
1280
2400
1,0 0,75
1,17
1,87
1,06
1,76
0,99
1,69
0,91
1,60
0,87
1,57
0,70
1,40
2,09
2,44
1,31
2,00
1,13
1,83
2,19
3,05
1,71
2,93
0,87
1,40
0,80
1,32
0,74
1,27
0,68
1,20
0,65
1,18
0,52
1,05
1,57
1,83
0,98
1,50
0,85
1,37
1,64
2,29
1,28
2,19
1,40
1,60
1,90
2,20
3,90
4,10
5,10
5,70
7,10
7,90
9,50
11,20
12,30
12,80
16,10
16,80
23,60
26,00
27,00
29,50
48,90
52,60
145
185
151
191
171
211
178
218
190
230
200
240
280
300
260
300
275
315
335
385
343
413
49
89
41
81
33
73
26
66
22
62
10
50
90
110
40
80
25
65
85
135
53
123
100
140
100
140
100
140
100
140
100
140
100
140
180
200
140
180
140
180
200
250
180
250
DH D dH l1; l2 x1; x2 l11 E LZS-DKM-H MTA
[Nm]
ROTEX Torsionally flexible couplingsDouble cardanic the innovation in pump designType ZS-DKM-H
For advanceddrive
technology
Standard spacers up to 250 mm shaft distance dimension ex stock
Assembly/disassembly through 4 screws only Compensates for high shaft displacements due to double-
cardanic design Remains torsionally symmetric in case of shaft
displacements Reduced vibration and noise Low restoring forces Increase of the total lifetime of all
adjacent components (bearings, seals etc.) Finish bore according to ISO fit H7,
feather keyway according to DIN 6885 sheet 1 - JS9 Approved according to EC Standard 94/9/EC
(Explosion Certificate ATEX 95) Mounting instructions under www.ktr.com
38 30
Finish bore Finish bored1 d2
98
Spider hardness[Sh A-GS]
140
Shaft distancedimension
L
ZS-DKM-H
Type
ROTEX-38
Couplingsize
Order form:
Components
Type ZS-DKM-H
Radial Angular[mm] []
Dimensions [mm]Finishbored
d1/d2 max.[mm]
Spider(part 2) 1)
TKN[Nm]
Dismount-able
length L
[mm]
Size
ZS-DKM-H
Weight 2)
[kg]
Cap screwsDIN EN ISO 4762 12.9
ATTENTION: The standard line is only for the horizontal assembly.Vertical assembly on request.
1) Maximum torque of coupling TKmax. = nominal torque of coupling TKN x 2Size 24 to 75 spider type 95/98 Sh A-GS; at size 90 spider type 95 Sh A with inner ringZS-DKM-H: transmittable torque according to 92 Sh A-GS
2) Refer to max. bore
Angular[]
Max.displacementsat n = 3000 1/minat n = 1500 1/min
Axial[mm] Radial
[mm]
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POLY-NORM Torsionally flexible couplings
Coupling description
For advanceddrive
technology
Explosion-proof use
POLY-NORM Couplings are for use in hazardous environments. The couplingis approved according to the European EC Standard 94/9/EC (ATEX 95)(appliance category 2 and 3) and can be used in drives of this hazard class.(Click on www.ktr.com to review the Certificate of Compliance and the opera-tion and assembly instructions).
Variety of Options
The coupling can be adapted to many applications due to the many optionsthat are possible with the building block arrangement. The POLY-NORM
components of a given model can be mixed and matched with each otherto obtain different shaft distances using the same basic component.
On request, we can provide customized variations of the POLY-NORM tofit your needs for example, our POLY-NORM overload coupling with
RUFLEX torque limiter. Just ask us!
General description
The POLY-NORM coupling is a torsionally flexible, shear type shaft coupling.
It has an axial plug-in design with a unique short over all length. The POLY-NORM can be used in nearly all types of machinery and is ideal for the pumpindustry.
The POLY-NORM coupling compensates for shaft misalignment of all kindsand safely transmits the torque.
Function/Design
The coupling consists of two hubs, with fingers separated by elastomeric
elements. The hubs are assembled blindly plugging the hub fingers into eachother axially and the elastomer ring is trapped in a groove between both coup-ling hubs. The compact POLY-NORM coupling transmits torque with theelastomer in compression.
Shaft misalignments, vibrations and shock loads are effectively absorbed bythe POLY-NORM.
The coupling is maintenance-free and used in general machinery, the pumpindustry and in compressors. Torques of up to 11,000 Nm are stocked in 14different sizes and 7 designs. In addition to the standard coupling models,flange drop out center and spacer options are available in many variations.
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1 12
32
60
75
85
90100
48
1108
1610
1615
2012
2517
2517
30203535
l1; l2 s L D DH NTA
[Nm]
25,5
30,0
42,5
38,5
52,5
46,5
52,098,0
d1; d2max.
25
40
40
50
60
60
7590
4
5
5
5
5
5
56
55
65
90
82
110
98
109202
53
78
78
97
123
139
148165
78
106
106
129
158
182
200224
7,5
6,0
18,5
10,5
20
10
1153
1/4
3/8
3/8
7/16
1/2
1/2
5/81/2
13
16
16
22
25
25
3238
3
5
5
6
6
6
810
5,7
20
20
31
49
49
92115
TB1 TB2
POLY-NORM
POLY-NORM Torsionally flexible couplings
Standard shaft coupling type AR
For advanceddrive
technology
Torsionally flexible, reduces vibrations
Failsafe
Maintenance-free
Very short design Axial plug-in
According to DIN 740
Approved according to EC Standard 94/9/EC(Explosion Certificate ATEX 95)
Detailed mounting instructions and further informationavailable at www.ktr.com
Massmoment ofinertia 3)
POLY-NORM 38
Coupling size
AR
Design
38 30
Finish bore A Finish bore B
1) Standard material Perbunan (NBR) 78 Shore-A 2) Bore H7 with keyway DIN 6885 sheet 1 [JS9] and threads for setscrews on the feather keyway.3) Refer to medium bore Basic programme: Please ask for our standard KTR-N 39580, sheet 1.
Components
Drawing type AR cross section
POLY-NORMAR Grey cast iron (EN-GJL-250)Elastomer ring (part 2) 1) Dimensions [mm] AR 3)
Size Torque [Nm] Finish bore General Thread for setscrew2) Weight
TKN TK max. dmax2)
LAR l1 s DH D dH N G t [kgm2
] [kg]28 40 80 28 59 28 3 69 46 36,5 12 M 5 7 0,0004 0,9
32 60 120 32 68 32 4 78 53 41,5 14 M 8 7 0,0008 1,4
38 90 180 38 80 38 4 87 62 50 19,5 M 8 10 0,0016 2,0
42 150 300 42 88 42 4 96 69 55,5 20 M 8 10 0,0026 2,7
48 220 440 48 101 48 5 106 78 64 24 M 8 15 0,0042 3,7
55 300 600 55 115 55 5 118 90 73 29 M 8 14 0,0070 5,5
60 410 820 60 125 60 5 129 97 81 33 M 8 15 0,0112 6,9
65 550 1100 65 135 65 5 140 105 86 36 M10 20 0,0174 8,8
75 850 1700 75 155 75 5 158 123 100 42,5 M10 20 0,028 13,5
85 1350 2700 85 175 85 5 182 139 116 48,5 M10 25 0,052 19,5
90 2000 4000 90 185 90 5 200 148 128 49 M12 25 0,090 23,2
100 2900 5800 100 206 100 6 224 165 143 55 M12 25 0,160 31,9
110 3900 7800 50-110 226 110 6 250 185 158 60 M16 30 0,317 38,0
125 5500 11000 55-125 256 125 6 280 210 178 70 M16 35 0,570 55,2
Taperclamping
sleeve
POLY-NORM
Size
POLY-NORM with taper clamping sleeve
Coupling design TB 1 Cam-sided screwing Combination possible!TB 2 Collar-sided screwing
Dimensions [mm] fixing screws *2
for taper sleeves
Size*1
[inch]
Length[mm]
number
*1 BSW thread *2 2 fixing screws each except for taper clamping sleeve 3535: 3 fixing screws Please ask for our separate data sheet M407045
Components
Components:
Type AR1 = Standard hub (EN-GJL-250)2 = Elastomer ring (NBR 78 ShA)
Order form:
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38 M6x16 5 5x72 62 10 75 M10x25 6 6x60 120 49
42 M8x16 5 5x72 69 25 85 M12x25 6 6x60 138 86
48 M8x20 6 6x60 78 25 90 M16x30 6 6x60 149 210
55 M8x20 6 6x60 88 25 100 M16x30 6 6x60 163 210
60 M8x20 6 6x60 98 25 110 M16x40 8 8x45 183 210
65 M10x20 6 6x60 104 49 125 M20x40 8 8x45 202 410
1 2 4D 3D
38
42
48
55
60
65
75
85
90
100110
125
TKN TKmax. d1 max. d2 max.
90
150
220
300
410
550
850
1350
2000
29003900
5500
180
300
440
600
820
1100
1700
2700
4000
58007800
11000
38
42
48
55
60
65
75
85
90
100110
125
32
35
42
48
55
60
65
75
85
90100
110
LADR
80
88
101
115
125
135
155
175
185
206226
256
l1/l2
38
42
48
55
60
65
75
85
90
100110
125
s
4
4
5
5
5
5
5
5
5
66
6
DH
87
96
106
118
129
140
158
182
200
224250
280
D
62
69
78
90
97
105
123
139
148
165185
210
D1
48
54
62
72
80
86
98
112
122
136150
168
dH
50
55,5
64
73
81
86
100
116
128
143158
178
N
19,5
20
24
29
33
36
42,5
48,5
49
5560
70
M
11
12
13,7
18,7
22,2
26,7
27,8
33,7
31,5
37,539,5
48,0
W
12
16
16
15
14
11
16
18
26
2830
35
G
M 8
M 8
M 8
M 8
M 8
M10
M10
M10
M12
M12M16
M16
t
10
10
15
14
15
20
20
25
25
2530
35
t1
7
7
7
14
15
20
20
25
25
2530
35
TA[Nm ]
10
10
10
10
10
17
17
17
40
4080
80
POLY-NORM Torsionally flexible couplings
3-part design ADR
For advanceddrive
technology
Torsionally flexible, reduces vibrations
Elastomer ring can be exchanged in assembledcondition
Failsafe
Maintenance-free Short design
Axial plug-in
According to DIN 740
Approved according to EC Standard 94/9/EC(Explosion Certificate ATEX 95)
Detailed mounting instructions and further informationavailable at www.ktr.com
Order form: POLY-NORM 65
Coupling size
ADR
Design
d1 - 55 d2 - 60
Finish bore Finish borepart 1 part 3D
Type ADR (3-part)
1) Standard material Perbunan (NBR)2) Bore H7 with keyway to DIN 6885 sheet 1(JS9) with thread for set screws
Basic programme: Please ask for our standard KTR-N 39581, sheet 1.
M x l Separation D4 M x l Separation D4Size Number z TA [Nm]
3) Size Number z TA [Nm]3)
[mm] z x angle [mm] [mm] z x angle [mm]
Classification of cap crews DIN EN ISO 476212.9
Components
POLY-NORM ADR
Size
Elastomer ringtorque[Nm] 1) Finish bore 2)
Dimensions [mm]
General Thread for setscrew
= displacement of hubComponents:
Type ADR (3-part)1 = Standard hub (EN-GJL-250)2 = Elastomer ring (NBR 78 ShA)
3D = F lange hub (EN-GJS-400-15)4D = Cam ring (EN-GJL-250)
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POLY-NORM
28
32
38
42
48
55
60
65
75
85
90
100
35
35
42
45
52
55
60
65
75
85
90
100
40 80 30
60 120 35
90 180 40
150 300 45
220 440 50
300 600 60
410 820 65
550 1100 70
850 1700 80
1350 2700 90
2000 4000 100
2900 5800 110
3 1
4 1
4 1
4 1
5 1,5
5 1,5
5 1,5
5 1,5
5 1,5
5 1,5
5 1,5
6 2
69 46 26 M5 7
78 53 26 M8 7
87 62 33 M8 10
96 69 35 M8 10
106 78 41,5 M8 15
118 88 43,5 M8 14
129 97 47,5 M8 15
140 105 51,5 M10 20
158 123 60,5 M10 20
182 139 69,5 M10 25
200 148 73,5 M12 25
224 165 83 M12 25
100140100140100140100140100140100140180100140180100140180
140180250140180250140180250140180250
170210170210184224190230204244210250290220260300230270310
290330400310350420320360430340380450
49,569,54969496949694969496989496989496989
6989
1246989
1246989
1246989
124
2,42,93,23,94,35,15,16,06,67,59,4
10,812,211,213,014,614,015,817,5
23,225,629,832,135,240,738,242,249,350,054,863,2
0,00200,00300,00420,00620,00480,00680,00940,01280,01700,02160,01880,02400,02920,03260,04140,05040,05640,07300,0894
0,08240,10080,13320,15700,16580,18120,24660,28800,35660,39880,44500,5465
4N 4N3N 3N2
POLY-NORM Torsionally flexible couplings
Drop-out center design couplings type AZR
For advanceddrive
technology
Connection of long shaft gaps with spacers
Enables a change of the elastomer without disassemblyof the drive and the driven components.
No movement of driver and driven components is
necessary for disassembly of pump thrust bearing. Custom designs are available (AZVR)
Approved according to EC Standard 94/9/EC(Explosion Certificate ATEX 95)
Detailed mounting instructions and further informationavailable at www.ktr.com
140 38 42
Drop out center Finish bore A Finish bore Blength L
POLY-NORM AZR
General
LAZR l2 l3 s l4 DH DF M G tFinish bore 3)
dmax
Thread for setscrew 3)
Elastomer ring (p. 2) 1)
torque [Nm]
TKN TKmax
AZR
Weight 4)
[kg]
Massmoment
of inertia 4)
[kgm2]
Size
Drop outcenterlengthL [mm]
Dimensions 2) [mm]
1) Standard material Perbunan (NBR) 78 Shore-A
2) For screw specification see POLY-NORM AZR short3) Bore H7 with keyway DIN 6885 sheet 1 [JS9] and
threads for setscrews on the feather keyway.
4) Refer to medium bore
Basic programme:Please ask for our standardKTR-N 39582, sheet 1.
Order form: POLY-NORM 42
Coupling size
AZR
Design
Still available:
POLY-NORM
type AZVRfor limited assembly space:Screw access from the shaft side
Further type:
POLY-NORM combined
with RUFLEX
overload coupling.
Please ask for our separate
data sheet (M412784).
Components
Design AZR
Components:Design AZR
2 = Elastomer ring (NBR 78 ShA)3N = Driving flange (EN-GJS-400-15)4N = Coupling flange (S355J2G3)
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28 40 80 16 8300 5200 3318 1867 897 1 0,20 1,2
32 60 120 24 7300 7820 4989 2821 1349 1 0,25 1,438 90 180 36 6500 13540 8639 4885 2336 1 0,25 1,5
42 150 300 60 5900 26250 16748 9471 4528 1 0,25 1,7
48 220 440 88 5400 29896 19074 10786 5157 1,5 0,30 1,8
55 300 600 120 4800 38500 24563 13891 6641 1,5 0,30 2,0
60 410 820 164 4400 67600 43129 23200 11661 1,5 0,30 2,2
65 550 1100 220 4100 81800 52188 26994 14111 1,5 0,35 2,4
75 850 1700 340 3600 122900 78410 40557 21200 1,5 0,40 2,7
85 1350 2700 540 3150 243045 155063 74858 41925 1,5 0,40 3,0
90 2000 4000 800 2900 361571 230682 111364 62371 1,5 0,45 3,4
100 2900 5800 1160 2600 548200 349752 168846 94565 3 0,50 3,9
110 3900 7800 1560 2300 792300 505487 244028 136672 3 0,60 4,3
125 5500 11000 2200 2050 1023240 652827 315158 176509 3 0,60 4,8
Lmax./min = L + Ka [mm] Kw = Smax. Smin. [mm]
4,5 6,0
4,0 5,5
2,5 3,5
POLY-NORM Torsionally flexible couplings
Technical data
For advanceddrive
technology
General information about the elastomer
Material/HardnessPermanent temperature range [C]Max. temperature (short time) [C]
Applications
Resistant to
Perbunan [NBR]/78 Shore A- 30 to + 80- 50 to + 120General machine constructionPump industryATEX applicationsChemical industryApplications of average elasticity
Gasoline, dieselAcids, basesTropics
(Salt-) Water (hot/cold)Oils, greasesPropane, butaneNatural gas, city gas
Supplement to our programme: elastomeres for the high-temperature range
Twisting angle with
TKN TKmax
Torsion spring stiffness Cdyn [Nm/rad]
1,0 TKN 0,75 TKN 0,5 TKN 0,25 TKN
Single elastomer packages(special)
Elastomer ring (Standard)
Assembly Guidelines
During assembly, the coupling halves must be mounted in a way that the coupling hub faces are flush to the end of the shafts.The align-ment of the shafts must be adjusted that radial and the angular misalignments are minimal. The life of the coupling and bearings is exten-ded by precise alignment. Steps must be taken to ensure that the alignment will not change during all operating conditions. Shaft misa-lignments which cannot be avoided must not exceed the figures indicated in the table. Angular and radial misalignments can occur at thesame time but the sum of these misalignments must not exceed the figures set forth in the table above. See the KTR mounting instruc-tions, KTR standard 49510 at our homepage www.ktr.com.
1[degree]
Angular misalignment KwRadial misalignment KrAxial misalignment KaMisalignment
1) Misalignment at n = 1500 1/min.
Angular and radial misalignment can occur at the same time. The sum of all misalignments must not exceed the figures set forth in the table.Couplings may be dynamically balanced on request
Max.permissible misalignment [ mm] 1)
AxialKa Radial Kr Angular Kw
Max.speed[1/min]
at V = 30 m/s
Torque [Nm]
Nominal Max. AlternatingTKN TKmax. TKW
POLY-NORM
Sizes forall types
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30 C+40 C +60 C +80 C
+30 C
St 1,0 1,2 1,4 1,8
POLY-NORM
POLY-NORM Torsionally flexible couplings
Coupling selection
For advanceddrive
technology
thus St = 1,4thus SZ = 1,0thus SA or SL = 1,5
Selection of the POLY-NORM coupling meets the DIN 740 part 2 specification. The coupling must be sized such thatthe coupling rated nominal torque is not exceeded in any operating condition. A comparison must be made between theapplication torque vs. the rating of the coupling. The selection process for torsionally flexible shaft couplings is describedin detail in the ROTEX catalogue which can be used for POLY-NORM couplings as well.
Temperature factor St Starting factor SZ
Starting100 200 400 800
frequency/h
SZ 1,0 1,2 1,4 1,6
Shock factor SA/SL
SA/SLmild shocks 1,5
medium shocks 1,8
heavy shocks 2,5
Driver power data:
Power P = 75 kWSpeed n = 1480 1/minMass moment of inertia JA = 1,06 kgm
2
General data:
Ambient temperature t = +60 CStarting frequency z = 6 1/hNormal operation with mild shocks
Calculation engine torque TAN:
PTAN [Nm] = 9550 n
75 kWTAN [Nm] = 9550 = 484 Nm
1480 1/min
Calculation nominal torque of coupling TKN:
TKN [Nm] TAN StTKN [Nm] 484 Nm 1,4 = 678 Nm
Selected coupling:
POLY-NORM AR Size 75
Transmittable torques of the coupling: Nominal torqueMaximum torque
Checking of the maximum torque
TK max/ drive side:
Calculation mass factor of the drive side MA:
JLMA = JA + JL
2,3 kgm2MA = = 0,681,06 kgm2 + 2,3 kgm2
Calculation of the peak torque of the unit
drive-side TSA:
TSA [Nm] = TAS MA SATSA [Nm] = 968 Nm 0,68 1,5 = 987 Nm
Calculation of the maximum permissible torque TK max:
TK max [Nm] TSA SZ St + TLN StTK max [Nm] = 987 Nm 1,0 1,4 + 0 Nm 1,4 = 1381 Nm
TK max of selected coupling TK max of the drive side(mathematically) 1700 Nm 1382 Nm
TLN = 0: when motor is switched on the pumphas no load torque
Performance data of pump:
Nominal torque TLN = 400 NmPeak torque 1) TLS = 300 NmMass moment of inertia JL = 2,3 kgm
2
1) Peak value with shock load
Calculation engine peak torque TAS:
TAS [Nm] = 2 TANTAS [Nm] = 2 484 Nm = 968 Nm
Factor 2: Peak value with drive-side shock load,e. g. as in full voltage motor starting
Example of calculation Coupling selection according to DIN 740
Pump drive with three-phase motor
Checking of the maximum torque
TK max/ driven-side:
Calculation of mass factor of the driven side ML:JAML = JL + JA
1,06 kgm2ML = = 0,322,3 kgm2 + 1,06 kgm2
Calculation of peak torque of the unit
load side TSL:
TSL [Nm] = TLS ML SLTSL [Nm] = 300 Nm 0,32 1,5 = 144 Nm
Calculation of the maximum permissible torque TK max:
TK max [Nm] TSL SZ St + TLN StTK max [Nm] = 144 Nm 1,0 1,4 + 400 Nm 1,4 = 762 Nm
TK max of selected coupling TK max of the drive side(mathematically) 1700 Nm 761 Nm
TKN = 850 Nm ( 678 Nm)TK max = 1700 Nm
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POLY Torsionally flexible couplings
Coupling description
For advanceddrive
technology
Perbunan [NBR] / 92 Shore A- 30 to + 80- 50 to + 120ATEX applicationsChemical industryMiningGeneral machine constructionApplications of average elasticity
Gasoline, dieselAcids, basesTropics(Salt-) Water (hot/cold)Oils, greasesPropane, butaneNatural gas, city gas
General information about the elastomer packing
Material/HardnessPermanent temperature range [C]Max. temperature (short time) [C]
Applications
Resistant to
Explosion-proof use
POLY Couplings are for use in hazardous environments. The couplingis approved according to the European EC Standard 94/9/EC (ATEX 95)and thereby can be used in drives of this hazard class (appliance category 2and 3). Click on www.ktr.com to read the Certificate of Compliance, along withthe operation and assembly instructions.
Variation of components
The coupling can be adapted to many applications due to the many optionsthat are possible with the building block arrangement. The POLY components
of a given model can be mixed and matched with each other to obtain differentshaft distances using the same basic component.
General description:
The POLY coupling is a torsionally flexible, shear shaft coupling for generalmachinery. It is assembled by axially pluging the hubs into each other andhas excellent dampening characteristics. Its unique features are the flexible
elastomeric elements that are located in both coupling halves.The POLY advantage A much greater number of flexible elements and thusa larger effective mass of the elastomer to accept vibration and to dissipate theheat caused by torsional vibrations when compared to similar compe-titive couplings with elements only in one half.
Coupling selection
The coupling selection must be done on the base POLY-NORM or ROTEX.
Function/Design
The coupling consists of 2 hubs with fingers that are separated by elasto-meric elements which are assembled by axial blind plug-in to each other.
Elastomer elements are placed into the slots of both coupling hubs. Torqueis transmitted in a compact design. Shaft misalignments, vibrations andshock loads are effectively absorbed by the POLY coupling.
The coupling is maintenance-free and used in general machinery, the pumpindustry and in compressors. The Poly coupling handles torque rangesof up to 63,000 Nm and is stocked in 21 different sizes and 4 designs forimmediate availability. In addition to our standard coupling models, a varietyof flange, drop out center and spacer options are available.
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1 2Z 1 3D 2D
5000
5000
5000
5000
4800
4300
3800
3500
3300
3000
2700
2350
22001850
1600
1400
42
72
100
170
210
320
400
660
820
1100
1600
2500
39506100
9000
14300
8 (Z)
9 (Z)
10 (Z)
12 (Z)
14 (Z)
15 (Z;D)
17 (Z;D)
19 (Z;D)
20 (Z;D)
22 (Z)
25 (Z;D)
28 (Z;D)
30 (Z;D)35 (D)
40 (D)
45 (D)
20 28 -
28 38 -
32 42 -
38 48 -
44 55 -
50 60 45
60 65 50
75 75 65
65 75 60
85 85 75
90 90 85
100 100 95
110 110 100130 - 130
145 - 145
160 - 160
86 43 50 - 35 25 - 3 3 73 1,7
97 55 65 - 41 30 - 7 3 85 2,7
107 60 70 - 45 35 - 10 4 94 3,5
131 70 80 - 55 43 - 12 4 114 5,4
142 80 93 - 60 46 - 17 4 124 7,6
157 90 100 75 65 52 35 22 4 134 8,6
176 100 110 90 70 56 40 25 4 144 12
195 125 125 107 75 64 45 30 4 154 18
205 115 127 105 80 65 45 23 4 164 20
224 140 140 129 90 75 59 39 4 184 25
257 150 150 140 100 84 60 44 5 205 35
288 165 165 160 110 90 65 45 5 225 53
308 180 180 170 130 108 75 58,5 5 265 66373 210 - 210 160 - 95 69 5 325 125
423 240 - 240 180 - 115 85 5 365 180
473 270 - 270 180 - 110 74 6 366 220
DH D DZ DD l1; l2 MZ MD N E LPKZ/PKD
POLY
Torsionally flexible / maintenance-free
Reduced vibrations
Shear type
Axial plug-in assembly Short overall length / minimum distance between shafts
In PKD the elastomer elements can be changed withoutmoving driver or driven
Approved according to EC Standard 94/9/EC(Explosion Certificate ATEX 95)
Detailed mounting instructions and further informationavailable at www.ktr.com
Weight 3)[kg]
Size Nominaltorque 1)
TKN [Nm]
Max. finishbore
dmax. [mm]
part 1 part 2Z part 2D
Dimensions [mm]Max.speed 2)
n [1/min]
Order form: POLY
Coupling size
PKD
Design
28 90 80
Size Finish bore Finish borepart 1 part 2
1) Maximal torque TKmax = TKN x 2; Standard material Perbunan (NBR) 92 Shore-A;Standard hub material: EN-GJL-2502) For v = 30 m/sec.For peripheral speeds exceeding v = 30 m/sec. we recommend a dynamical balancing; hub material EN-GJS-400-153) Refer to medium bore
Components:
Type PKD (D)
1 = Cam section *
2D = Flange hub
3D = Cam ring
* To be preferably used drive-sided
Components:
Type PKZ (Z)
1 = Cam section
2Z = Pocket section *
* To be preferably used drive-sided
Components
Type PKZ (Z) (Size 8 to 30) Type PKD (D) (Size 15 to 45)
POLY Torsionally flexible couplings2-part design type PKZ
3-part design type PKD
For advanceddrive
technology
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1B1A 2B 2A
DH DF l1, l2 b MA E L LPKA LZ G tTA
[Nm]8 42 5000 38 86 55 35 1,5 25,5 3 100 170 66 M5 15 2 3,04
9 72 5000 45 97 70 41 1,5 30,5 3100 182 63
M8 15 104,26
140 222 103 4,66
10 100 5000 50 107 78 46 1,5 35,5 4100 192 61
M8 20 105,42
140 232 101 5,88
12 170 5000 60 131 95 55 1,5 43,0 4100 210 55
M8 20 109,49
140 250 95 10,15180 290 135 10,86
14 210 4800 70 142 105 60 1,5 48,0 4100 220 54
M8 25 1011,46
140 260 94 12,23180 300 134 13,01
15 320 4300 70 157 110 65 1,5 49,5 4
100 230 53
M8 25 10
14,77140 270 93 15,63180 310 133 16,50250 380 203 18,01
17 400 3800 80 176 125 70 1,5 54,5 4
100 240 53
M8 25 10
18,79140 280 93 19,60180 320 133 20,41250 390 203 21,83
19 660 3500 90 195 135 75 1,5 59,5 4140 290 91
M8 30 1024,62
180 330 131 25,91250 400 201 28,15
20 820 3300 100 205 150 80 2,0 61,0 4140 300 81
M8 30 1030,96
180 340 121 32,18250 410 191 34,79
22 1100 3000 105 224 160 90 2,0 71,0 4180 360 127
M10 35 1737,79
250 430 197 39,94
25 1600 2700 125 257 195 100 2,0 81,0 5140 340 81
M12 40 4054,73
180 380 121 56,50250 450 191 59,60
28 2500 2350 140 288 215 110 2,0 91,0 5
140 360 74
M12 45 40
75,22
180 400 114 77,84250 470 184 82,41
POLY Torsionally flexible, not failsafe couplings
Design PKA (dismountable coupling)
For advanceddrive
technology
POLYsize
NominaltorqueTKN
[Nm]
Finishboredmax. [mm]Part 1a/2a
Weight[kg]
Dimensions [mm]General Thread of setscrewsMax.Speedn
[1/min]
Torsionally flexible, maintenance-free
Vibration-reducing
Not failsafe
Axial plug-in Short design / low shaft distance dimension
In the PKD the elastomer packages can be exchanged inexembled state
Approved according to EC Standard 94/9/EC(Explosion Certificate ATEX 95)
Detailed mounting instructions and further information atwww.ktr.com
Order form: POLY
Coupling type
PKA
Type
28 140 38 40
Size Dismount- Finish bore Finish boreable L part 1a part 2a
Components
Type PKA
Components:
Type PKA
1A/2A = Coupling flange
1B = Spacer
2B = Driving flange
1A and 1B to be preferably used drive-sided
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1 3D 2D 1A 2B 2A1B
8 9 10 12 14 15 17 19 20 22 25 28 30 35 40 45
1 1 1 2 2 2 2 2 2 2 2 2 2 3 3 3
n = 750 1/min 0,8 0,8 0,8 0,8 0,8 1,0 1,0 1,0 1,0 1,0 1,0 1,0 1,2 1,2 1,2 1,2
n = 1000 1/min 0,7 0,7 0,7 0,7 0,7 0,9 0,9 0,9 0,9 0,9 0,9 0,9 1,1 1,1 1,1 1,1
n = 1500 1/min 0,5 0,5 0,5 0,5 0,5 0,7 0,7 0,7 0,7 0,7 0,7 0,7 0,7 0,9 0,9 0,9
M5 M8 M8 M8 M8 M8 M8 M8 M8 M10 M12 M12 M16 M16 M16 M16
18 23 27 30 10 15 15 15 15 20 20 20 20 25 25 30
15 15 20 20 25 25 25 30 30 35 40 45 - - - -
2 10 10 10 10 10 10 10 10 17 40 40 80 80 80 80
1 2 3 3a 4 3b 4 5 6 7 8 9
8 10 10 10 10 12 12 12 12 16 16 16 16 20 20 20
b 18,4 24,9 27,2 27,7 34,9 29,6 34,9 40,0 43,3 45,7 52,1 58,1
t 10,0 15,3 16,1 18,4 19,6 18,4 19,6 22,2 28,6 25,0 28,6 29,3
h 18,9 23,9 24,6 26,8 34,6 29,6 34,6 40,6 41,1 60,0 59,7 69,0
M - - - - - M8 M8 M8 M10 M8 M10 M10 M12 M12 M16 M16
l - - - - - 30 25 25 30 30 30 40 40 55 55 60
- - - - - 6 6 6 6 8 8 8 8 10 10 10
- - - - - 25 25 25 25 25 49 49 86 86 295 210D2 - - - - - 92 106 126 123 150 162 178 202 240 275 308
D4 (H7/h7) - - - - - 75 90 107 105 130 140 160 170 210 240 270
M M6 M6 M6 M8 M8 M10 M10 M10 M10 M10 M10 M12 - - - -
l 16 18 18 20 20 25 25 25 30 30 30 30 - - - -
4 5 5 5 5 6 6 6 6 8 8 8 - - - -10 10 10 25 25 49 49 49 49 49 49 86 - - - -
D2 70 85 93 113 125 135 150 160 175 190 225 250 - - - -D3 60 70 80 90 100 110 110 120 130 140 150 170 - - - -
POLY
Type PKD Type PKA Components:
1* = Cam section1A*/2A = Coupling
flange1B* = Spacer2B = Driving flange2D = Flange hub
3D = Cam ring* To be preferably used
drive-sided
Coupling type Type PKA
Type PKZ
Displacements [mm]
Threads for setscrew [mm]
Dimension G
Dimension t (Type PKZ and PKD)
Dimension t (Type PKA)
Element size
Number of elements
Dimension ofelastomer elements
b x t x h [mm]
Screw sizeM x l
NumberTightening torque TA [Nm]
Tightening torque TA [Nm]
NBR Elastomer elements (rectangular) 90 Sh A
Type PKZ and PKD Cyl. screw DIN EN ISO 4762 Dimension [mm]
Screw sizeM x l
NumberTightening torque TA [Nm]
Type PKA Cyl. screw DIN EN ISO 4762 Dimension [mm]
Max. axial displacement Ka
Max.radial displacementKr or max.angulardisplacement Kw
Type PKZ and PKD Type PKD
POLY Torsionally flexible couplings
Displacements Threads for setscrews Elastomer elements
For advanceddrive
technology
[degree]
Standard bore H7 with keyway DIN 6885 sheet 1 [JS9] and threads for setscrews on the feather keyway.Please see our detailed mounting instructions at our website www.ktr.com.
Components
Axial displacement Radial displacement Angular displacement
Radial and angular displacements can occur simultaneously.The combined sum V = Kr [mm] + (Emax. [mm] Emin. [mm]) must not exceed the values listed in table 1.
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7/29/2019 KTR Pumpenantriebe En
30/4430
KX-105
KX-120
KX-135
KX-150
KX-170
KX-190KX-215
KX-240
KX-265
KX-280
KX-305
KX-330
KX-355
KX-370
6485
10080
13750
17950
25700
3580046450
71360
94910
119500
147000
179900
220500
291000
12970
20160
27500
35900
51400
7160092900
142720
189820
239000
294000
359800
441000
582000
2000
1800
1600
1450
1250
11001000
900
800
720
675
625
575
535
34-105
61-120
67-135
82-150
96-170
122-190135-215
152-240
165-265
170-280
185-305
200-330
225-355
225-370
34-120
61-130
330
370
419
457
533
597660
737
826
927
991
1067
1156
1250
180
206
230
256
292
330368
407
457
508
533
572
610
720
202
232
240
260
292
330368
407
457
508
533
572
610
720
117
132
147
165
188
211237
264
292
311
324
330
356
382
30
46
46
46
63
6363
76
76
76
76
76
76
76
56
76
76
76
92
9292
122
122
122
122
122
122
122
3
6
6
6
6
66
6
6
6
6
6
6
6
22
45
30
12
43
2030
43
15
75
62
56
30
4
68,3
102,2
134,8
169,0
281,1
375,2484,1
712,2
948,6
1260,8
1431,8
1666,3
2154,6
2947,0
0,794
1,656
2,721
3,945
9,245
14,95023,047
43,837
71,023
114,634
148,792
200,380
297,525
448,199
TKN d1 d2DH D1 D2l1/l2 N1 N2E M *
237
270
300
336
382
428480
534
590
628
654
666
718
770
LTKmax.
1 3 2
REVOLEX KX
Torsionally flexible pin & bush coupling
For advanceddrive
technology
C
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