catalogo elfo

1

ELFOR CONTROLS is an

Italian company specialized in

manufacturing SCOTCH-YOKE

PNEUMATIC ACTUATORS (both

single and double acting), with

output torque ranging from

1500 Nm (1.112 lb-ft) to 46.000 Nm

(33.927 lb-ft) double acting

and from 586 Nm (432 lb-ft) to

15.854 Nm (11.693 lb-ft) spring

return.

Our SCOTCH-YOKE PNEUMATIC

ACTUATORS are:

■ eligible for the operation of:

• trunnion mounted ball valves

• triple offset valves

• butterfl y valves

• plug valves

■ used in the following markets:

• oil & gas

• chemical and petrochemical

• power

• water

• LNG

2

• TOTALLY ENCLOSED waterproof

body in nodular cast iron EN-

GJS-400-15 IP 67 or carbon steel

• PNEUMATIC CYLINDER, polished

with electroless nickel plated

internal in compliance with

specifi cations ASTM-B733 and UNI

ISO 4527

• CARBON STEEL PISTON with

dynamic fl oating O-Ring seal

(PARKER N 674-70) to reduce

friction and to extend service life

• ISO 5211 mounting fl ange

• POSITION INDICATOR complete

with VDI/VDE 3845 NAMUR for

mounting accessories

• POWER SUPPLY: instrument

air, nitrogen, sweet gas or sour

gas (materials pressure group

requirements acc. to NACE MR

0173/93)

• TWO INDEPENDENT external travel

stops for precise angular stroke

adjustment `7° in both directions.

• YOKE PIN complete with hard

grounds sliding bush in the body

• PAINTING: sandblasting to grade SA

2.1/2.

First coat: epoxy zinc 50 microns

Final coat: high build epoxy

poliamide 100 microns RAL 9006

• TOTALLY ENCLOSED SPRING cartridge with additional safety

feature in order to avoid injury

during disassembly of the spring

enclosure.

• STANDARD OPERATING

temperature range: -29 °C / +80 °C

KE

Y D

ESIG

N F

EAT

UR

ES A

ND

AD

VA

NTA

GE

S

3

• MANUAL OVERRIDE OPTIONS

The EC series can be supplied

with four different Manual

Overrides

Low Torque for Spring Return =

“J.S.”Jack Screw

High Torque for Spring Return

= “MOG” Manual Override with

integrated Gear

Low and High Torque for

Double Acting = “MGDA”

Declutchable Manual Override

High Torque for Double and

Spring Return = “M.O.H.P”

Hydraulic Manual Override

• CONTROL SYSTEM

The EC series can be supplied

with a set of additional

components specifi cally

engineered and integrated

upon requests of the

Customers.

The control system can be

fi tted on panels that will be

secured on the actuator body

or at remote location. Upon

request proper cabinets or

stainless steel panels equipped

with sun shade can be

designed and supplied.

A set of pre-engineered

solution is already available

to satisfy the most common

needs.

Elfor Controls is any time

available to design and

manufacture, in a timely and

effi cient manner, any solution

according to the Customer’s

needs and expectations.

• POSITION MONITOR DEVICE

The EC series can be equipped

with all positioning monitor

devices.

OP

TIO

NA

L F

EATU

RE

S

• MOUNTING PAD

The actuator body has the accessory

mounting pad provision and does not

require any modifi cation.

4

QT S

ING

LE

AC

TIN

G S

PR

ING

RE

TU

RN

AN

D D

OU

BLE

AC

TIN

G

Spheric interface

Namur interface

Elecrtoless nickel plated

Provision for control panel

Sliding bushing in the body

Floating o-ring seal

Travel stop

ISO valve interface

5

Operating supply pressure (barg)

model Angular position

2.8 4.0 5.5 7.0

EC0-200 D 0° 1056 1580 2070 2634

45° 528 754 1035 1317

90° 1056 1580 2070 2634

EC1-250 D 0° 1539 2198 3023 3847

45° 769.5 1099 1511 1923

90° 1539 2198 3023 3847

EC1-313 D 0° 2475 3536 4861 6188

45° 1237 1768 2430 3094

90° 2475 3536 4861 6188

EC1-352 D 0° 3160 4515 6208 7900

45° 1580 2257 3104 3950

90° 3160 4515 6208 7900

EC1-415 D 0° 4463 6337 8714 11090

45° 2231 3168 4357 5542

90° 4463 6337 8714 11090

EC2-365 D 0° 4945 7065 9714 12363

45° 2473 3532 4857 6182

90° 4945 7065 9714 12363

EC2-415 D 0° 6487 9267 12742 16217

45° 3243 4633 6371 8108

90° 6487 9267 12742 16217

EC2-453 D 0° 7790 11129 15302 19476

45° 3895 5564 7651 9738

90° 7790 11129 15302 19476

EC2-517 D 0° 10244 14634 20122 25609

45° 5122 7317 10061 12805

90° 10244 14634 20122 25609

EC2-568 D 0° 12431 17758 24417

45° 6215 8879 12209

90° 12431 17758 24417

EC3-453 D 0° 14696 20994 28867 36740

45° 7348 10497 14434 18370

90° 14696 20994 28867 36740

EC3-517 D 0° 19324 27606 37959 48311

45° 9662 13803 18979 24156

90° 19324 27606 37959 48311

EC3-568 D 0° 23450 33500 46063

45° 11725 16750 23031

90° 23450 33500 46063

QT D

OU

BLE

AC

TIN

G -

OU

TP

UT T

OR

QU

ES (N

m)

6

MODEL Spring Torque Operating supply pressure (barg)

2,8 4,0 5,5 7,0

0° 90° 0° 90° 0° 90° 0° 90° 0° 90°

EC0-200 S.. C.. 40 586 1078 922 430

55 765 1421 1305 649

EC1-250 S.. C.. 28 577 1075 1074 575

40 835 1525 1522 832

55 1114 2148 2087 1053

70 1497 2785 2629 1341

EC1-313 S.. C.. 28 835 1525 1525 835

40 1203 2237 2261 1227

55 1534 3068 3103 1568

70 2021 3915 3880 1987

EC1-352 S.. C.. 28 1114 2148 2015 981

40 1534 3068 3081 1547

55 2201 4095 4065 2171

70 2848 5298 5229 2779

EC1-415 S.. C.. 28 1497 2785 2767 1479

40 2201 4095 4052 2158

55 2848 5298 5304 2853

EC2-365 S.. C.. 28 1691 3141 3147 1696

40 2471 4592 4590 2469

55 3307 6088 6092 3311

70 4274 7758 7540 4056

EC2-415 S..C.. 28 2140 4251 3986 1875

40 3307 6088 5931 3149

55 4274 7758 7960 4476

70 5445 10125 10189 5509

EC2-453 S..C.. 28 2712 5472 5043 2284

40 4274 7758 7385 3901

55 5445 10125 10125 5445

70 6788 12546 12601 6843

EC2-517 S..C.. 28 3307 6088 6266 3485

40 5008 9654 9329 4683

55 6788 12546 12406 6648

70 8360 15535 15573 8399

EC2-568 S..C.. 28 4274 7758 7361 3877

40 5910 11651 11509 5768

55 8360 15535 14808 7633

EC3-453 S..C.. 28 5137 9504 9494 5127

40 8118 13826 13876 8167

55 10273 19102 19100 10270

70 12841 23727 23735 12849

EC3-517 S..C.. 28 6214 11846 11846 6214

40 9513 17532 17533 9513

55 12841 23727 23368 12482

70 15854 29296 29296 15855

EC2-568 S..C.. 28 8118 13826 13832 8123

40 11210 21645 21649 11214

55 15854 29296 29269 15827

QT S

ING

LE

AC

TIN

G S

PR

ING

RE

TU

RN

-

OU

TP

UT T

OR

QU

ES (N

m)

S = FAIL CLOSE0°=ETC or ETO

C = FAIL OPEN90°=BTC orBTO

7

QT S

ER

IES D

OU

BLE

AC

TIN

G/S

ING

LE

AC

TIN

G T

OR

QU

E

100.00

90.00

80.00

70.00

60.00

50.00

40.00

30.00

DOUBLE ACTING OUTPUT TORQUE

Angular position:

0° = pressure break

90° = pressure end

note: operating

torque values are

guaranteed ± 10%

% t

orq

ue

Angular position

0 10 20 30 40 50 60 70 80 90

0 10 20 30 40 50 60 70 80 90

200,00

190,00

180,00

170,00

160,00

150,00

140,00

130,00

120,00

110,00

100.00

90.00

80.00

70.00

60.00

50.00

% t

orq

ue

Angular position

SINGLE ACTING TORQUE

SRING RETURN

OUTPUT TORQUE

Angular position:

0° = spring end

pressure break

90° = spring break

pressure end

Spring

Pneumatic

note: operating

torque values are

guaranteed ± 10%

8

MA

NU

AL O

VE

RR

IDE

OP

TIO

NS F

OR

SIN

GLE

AN

D D

OU

BLE

AC

TIN

G

J. S. Manual override Jack

Screw for spring return

M. G. D. A. Declutchable

manual override for

double acting

9

MA

NU

AL O

VE

RR

IDE

OP

TIO

NS F

OR

SIN

GLE

AN

D D

OU

BLE

AC

TIN

G

M. O. H. P.

The compact hydraulic

manual override consist of:

- hand pump

- selector valve

- oil tank

- hydraulic cylinder

- relief valve

- check valve

M. O. G. Manual override

With integrated gear for

spring return

10

QT D

OU

BLE

AC

TIN

G -

OVE

RA

LL D

IME

NSIO

NS

VIEW FROM A

A

PRESSURE GROUP

P NPTPneumatic Connection

A B

TRAVEL STOP 90°± 7°

C

E

HG

K

L max for cont. panel

B

ØK

EC0 SERIES

NOTE: Indicative and not binding dimensions (mm) and weights (kg)

Model A B C E G H L K P Weight

(kg)

Volume

(dm3)

EC0-200-D 470 415 220 25 33.5 186.5 315 70 ¼” 78 4.8

EC1-250-D 710 280 275 32.5 61 214 490 286 ½” 170 7.5

EC1-313-D 710 280 340 65 93.5 246.5 490 286 ½” 195 11.7

EC1-352-D 710 280 375 82.5 111 264 490 286 ½” 215 14.8

EC1-415-D 710 280 440 115 143.5 296.5 490 286 ½” 260 20.7

EC2-365-D 820 360 390 30 80.5 309.5 620 340 ¾” 370 23.9

EC2-415-D 820 360 440 55 105.5 334.5 620 340 ¾” 401 30.9

EC2-453-D 820 360 480 75 125.5 354.5 620 340 ¾” 452 36.9

EC2-517-D 820 360 540 105 155.5 384.5 620 340 ¾” 502 48.1

EC2-568-D 820 360 596 133 183.5 412.5 620 340 ¾” 573 58.1

EC3-453-D 1180 486 480 75 24 456 830 340 ¾” 680 69.9

EC3-517-D 1180 486 540 105 54 486 830 340 ¾” 728 90.7

EC3-568-D 1180 486 596 133 82 514 830 340 ¾” 813 109.9

11

Model S28 S40 S55 S70 A C E G H L ØD P

B Kg B Kg B Kg B Kg

EC0-200 S 640 118.5 640 122 470 220 25 33.5 186.5 315 220 1/4"

EC1-250 S 883 286 927 303 990 317 1065 340 710 275 32.5 61 214 490 370 1/2"

EC1-313 S 927 326 977 340 1041 358 1126 385 710 340 65 93.5 246.5 490 370 1/2"

EC1-352 S 990 357 1041 375 1152 403 1145 420 710 375 82.5 111 264 490 370 1/2"

EC1-415 S 1065 423 1112 446 1145 462 - - 710 440 115 143.5 296.5 490 370 1/2"

EC2-365 S 1285 595 1415 636 1500 660 1395 680 820 390 30 80.5 309.5 620 406.4 3/4"

EC2-415 S 1450 672 1500 688 1395 709 1400 727 820 440 55 105.5 334.5 620 406.4 3/4"

EC2-453 S 1550 755 1395 760 1400 777 1470 805 820 480 75 125.5 354.5 620 406.4 3/4"

EC2-517 S 1420 788 1420 829 1470 860 1470 926 820 540 105 155.5 384.5 620 406.4 3/4"

EC2-568 S 1395 881 1500 930 1470 1000 - - 820 596 133 183.5 412.5 620 406.4 3/4"

EC3-453 S 1423 931 1730 1046 1857 1106 1907 1129 1180 480 75 24 456 830 457 3/4"

EC3-517 S 1525 1010 1806 1127 1907 1181 2060 1253 1180 540 105 54 486 830 457 3/4"

EC3-568 S 1730 1179 1806 1229 2060 1338 - - 1180 596 133 82 514 830 457 3/4"

QT S

ING

LE

AC

TIN

G S

PR

ING

RE

TU

RN

- O

VE

RA

LL D

IME

NSIO

N


A B

ØDC

EA

PRESSURE GROUP SPRING CARTRIDGE


HG

L max for control panel

TRAVEL STOP 90°± 7°VIEW FROM A

12

Model S28 S40 S55 S70 A ØC E G H L ØD P

B Kg B Kg B Kg B Kg

EC1-250 S 883 305 927 323 990 336 1065 360 996 600 32.5 223.5 376.5 490 370 1/2"

EC1-313 S 927 344 977 360 1041 378 1126 405 996 600 65 223.5 376.5 490 370 1/2"

EC1-352 S 990 376 1041 395 1152 423 1145 440 996 600 82.5 223.5 376.5 490 370 1/2"

EC1-415 S 1065 441 1112 465 1145 480 - - 996 600 115 223.5 376.5 490 370 1/2"

QT S

PR

ING

TO

CLO

SE

WIT

H M

AN

UA

L O

VE

RR

IDE

(JS) -

OVE

RA

LL D

IME

NSIO

N

A B

ØD

E

HG



VIEW FROM A

A



ØC


13

QT D

OU

BLE

AC

TIN

G W

ITH

MA

NU

AL O

VE

RR

IDE

(M

GD

A) -

OVE

RA

LL D

IME

NSIO

NS

Model A B C E G H L ØK P WEIGHT

(kg)

EC1-250 MGDA 710 610 275 32.5 61 214 490 800 1/2" 190

EC1-313 MGDA 710 610 340 65 93.5 246.5 490 800 1/2" 215

EC1-352 MGDA 710 610 375 82.5 111 264 490 800 1/2" 238

EC1-415 MGDA 710 610 440 115 143.5 296.5 490 800 1/2" 285

EC2-365 MGDA 820 760 390 30 80.5 309.5 620 800 3/4" 395

EC2-415 MGDA 820 760 440 55 105.5 334.5 620 800 3/4" 425

EC2-453 MGDA 820 760 480 75 125.5 354.5 620 800 3/4" 477

EC2-517 MGDA 820 760 540 105 155.5 384.5 620 800 3/4" 527

EC2-568 MGDA 820 760 596 133 183.5 412.5 620 800 3/4" 600

EC3-453 MGDA 1180 1145 480 75 24 456 830 800 3/4" 710

EC3-517 MGDA 1180 1145 540 105 54 486 830 800 3/4" 760

EC3-568 MGDA 1180 1145 596 133 82 514 830 800 3/4" 845

VIEW FROM A

A

PRESSURE GROUP


A B


C

E

HG

ØK

L max for cont. panel


14

Model S28 S40 S55 S70 A ØC E G H L ØD P

B Kg B Kg B Kg B Kg

EC1-250 S 883 340 927 355 990 370 1065 390 1380 600 32.5 61 295 490 370 1/2"

EC1-313 S 927 378 977 390 1041 410 1126 438 1380 600 65 93.5 295 490 370 1/2"

EC1-352 S 990 410 1041 425 1152 455 1145 472 1380 600 82.5 111 295 490 370 1/2"

EC1-415 S 1065 475 1112 498 1145 514 - - 1380 600 115 143.5 295 490 370 1/2"

EC2-365 S 1285 665 1415 706 1500 730 1395 750 1545 600 30 80.5 360 620 406.4 3/4"

EC2-415 S 1450 742 1500 760 1395 780 1400 800 1545 600 55 105.5 360 620 406.4 3/4"

EC2-453 S 1550 825 1395 835 1400 850 1470 875 1545 600 75 125.5 360 620 406.4 3/4"

EC2-517 S 1420 860 1420 900 1470 930 1470 998 1545 600 105 155.5 360 620 406.4 3/4"

EC2-568 S 1395 953 1500 1000 1470 1070 - - 1545 600 133 183.5 360 620 406.4 3/4"

EC3-453 S 1423 1023 1730 1136 1857 1196 1907 1219 1820 600 75 24 514 830 457 3/4"

EC3-517 S 1525 1100 1806 1217 1907 1273 2060 1345 1820 600 105 54 514 830 457 3/4"

EC3-568 S 1730 1269 1806 1319 2060 1430 - - 1820 600 133 82 514 830 457 3/4"

QT S

PR

ING

TO

CLO

SE

WIT

H M

AN

UA

L O

VE

RR

IDE

(M

OG

) -

OVE

RA

LL D

IME

NSIO

N

A B

ØD

E

HG


TRAVEL STOP 90°± 7°VIEW FROM A

A



ØC


15

VIEW FROM A

A

PRESSURE GROUP

Pneumatic Connection

L max for cont.panel

E

A B

C

K

HG

SI


EC1 1/2" NPTEC2 / EC3 3/4" NPT

Model A B C E G H L K I S kg

EC1-250 MOHP1 710 720 275 32.5 61 214 490 550 85 280 240

EC1-313 MOHP1 710 720 340 65 93.5 246.5 490 550 85 280 265

EC1-352 MOHP1 710 720 375 82.5 111 264 490 550 85 280 285

EC1-415 MOHP1 710 720 440 115 143.5 296.5 490 550 85 280 328

EC2-365 MOHP2 820 800 390 30 80.5 309.5 620 570 45 320 447

EC2-415 MOHP2 820 800 440 55 105.5 334.5 620 570 45 320 478

EC2-453 MOHP2 820 800 480 75 125.5 354.5 620 570 45 320 529

EC2-517 MOHP2 820 800 540 105 155.5 384.5 620 570 45 320 579

EC2-568 MOHP2 820 800 596 133 183.5 412.5 620 570 45 320 650

EC3-453 MOHP3 1180 1180 480 75 24 456 830 570 420 765

EC2-517 MOHP3 1180 1180 540 105 54 486 830 570 420 811

EC2-568 MOHP3 1180 1180 596 133 82 514 830 570 420 898

QT D

OU

BLE

AC

TIN

G W

ITH

HYD

RA

ULIC

MA

NU

AL O

VE

RR

IDE

(M

OH

P)


16

TO

P S

IDE

NA

MU

R A

ND

VA

LVE

IN

TE

RFA

CE

A30

= =

30

4TRAVEL STOP CW TRAVEL STOP CCW View From “Z”

ØM5

ØC

D

z


Model Flange type

ISO 5211

ØT ØC D ØS R P n° holes

size

A

EC0 SERIES F14 140 100 4 50 53.8 14 N° 4 – M16 130

EC1 SERIES F25 254 200 5 65 68.8 14 N° 8 – M16 130

EC2 SERIES F30 298 230 5 90 95.4 25 N° 8 – M20 180

EC3 SERIES F35 356 260 5 140 148.4 36 N° 8 – M30 240

P

R

n° Holes Size

ØS H8

ØT

VALVE INTERFACE ISO 5211

catalogo elfo

Documents

ft spring return

ft double acting

spring enclosure

qt single acting spring

mog manual override

enclosed spring cartridge

output torque

actuator body