1 … 6
Dual Modular Safety Shutoff Valves
DMV-D/602 SeriesDMV-DLE/602 Series
Two normally closed safety shut-off valves in one housing; each with the following approvals.
UL Recognized•UL429•File#MH16727
CSA Certified•ANSIZ21.21•CSA6.5•MarkedC/I•File#1010989
FM Approved•Class7411•File#J.I.1Z6A0.AF
Commonwealth of Massachusetts Approved Product•ApprovalcodeG1-1107-35•GasSafetyShutoffValve
US, Canadian and EU Models•DMV-D701/6,702/6,703/6•DMV-DLE701/6,702/6,703/6•1/2in.NPT-2in.NPT•Rp1/2-Rp2
Codes and Standards:ThisproductisintendedforinstallationscoveredbybutnotlimitedtoNFPA37,NPFA86,ANSIZ83.4,ANSIZ83.18,ANSI Z21.13, CSD-1, UL 795, orCSAB149.3. DUNGS is an ISO 9001 manufacturing facility.
DescriptionTheDualModularValve(DMV)combinestwo automatic shutoff valves in onecompacthousing,whichcanbewiredindependentlyorinparallel.
Valve1(V1)oftheDMV-DandDMV-DLEseries is fastopeningand fastclosing.Valve2(V2)oftheDMV-Disfastopening,whileV2oftheDMV-DLEisslow-openingforsmootherlight-off.Max.flowadjust-mentonV2providesvariablemainflowonbothmodels.Internal profiles and compact designoptimize flowandprovide a lowpres-sure drop. Three body styles reduceinventory.
Directlymountingthefollowingaccesso-riescreatesacompactvalvetrainwithoutadditionalpiping:-Pressureregulator-Highandlowgaspressureswitches-Valveprovingsystem- Ventlineadapter
ApplicationTheDMVisrecommendedforindustrialandcommercialheatingapplicationsthatrequire two safety shutoff valves. TheDMVissuitablefornaturalgas,propane,butane,airandinertgases,andsuitableforupto0.1%byvolume,dryH2S.
DMV_6
02SalesBroch
ure•P/N
226
377
•Ed.01/09
2 … 6
Specifications
Bodysizespipesize/thread
Max.operatingpressure
Max.bodypressure
Max.close-offpressure
Electricalratings(+10%/-15%)
Powerratings
Enclosurerating
Electricalconnection
Operatingtime
Closingtime
Openingtime(tomax.flow)
Initialliftadjustment
Max.flowadjustment
Materialsincontactwithgas
Ambienttemperaturerating
Installationposition
Testports/Pressureswitchmountingports
Gasfilter(optional)
Gasstrainer(standard)
Positionindication(orderseparately)
Valveprovingsystem(optional)
DMV701 DMV702 DMV7031/2”-1”NPTorRp 1”-2”NPTorRp 1”-2”NPTorRp
7PSI(500mbar)ULandFM5PSI(360mbar)CSA
15PSI(1000mbar)
7PSI(500mbar)ULandFM5PSI(360mbar)CSA
110-120VAC/50-60Hz 24VAC/50-60Hz;24VDC
DMV701:45VA DMV702:65VA DMV703:90VARatingsshownaretotalpowerconsumptionforbothvalvesinclusive.InrushandfullloadcurrenthavethesameVArating.
NEMAType12
DIN-connectorwith1/2”NPTconduitadapter
100%dutycycle
<1s
DMV-D…/602 V1&V2<1sDMV-DLE…/602V1<1s;V2Adjustabletoapprox.10to20sat70°F
AdjustableonV2 DLEonly;0to70%oftotalflow;0to35%ofstroke
AdjustableonV2 <10to100%oftotalflow;<10to100%ofstroke
Housing:Aluminium,Steel;freeofnonferrousmetalsSealingsonvalveseats: NBR-basedrubber
-40°Fto+150°F(-40°Cto+65°C)
Safetyvalveuprightverticaltohorizontal
G1/8ISO228portsavailableonbothsides.EachsidehasoneportupstreamV1,onebetweenV1andV2,onedownstreamV2,andoneoneachflange.
Replaceableintegralgasfilter(50micron)ininletofDMVorPre-MountFilterBlockforDMV702and703. (CannotbeusedwithFRIdirectlymountedtotheDMV.)
InstalledinthehousingupstreamV1(23mesh)
CPI400withindicationlampsandSPDTinterlockswitchorVisualindicator(VI)RequiresVPS504;mountsdirectlytoeithersideofDMV.
DMV-D…/602 Twonormallyclosedsafetyshutoffvalvesinonehousing.V1andV2arefastopening,fastclosing. Adjustablemax.flowwithV2.
DMV-DLE…/602 Twonormallyclosedsafetyshutoffvalvesinonehousing.V1fastopening,fastclosing. V2isslowopening,fastclosing.Adjustablemax.flowandadjustableinitialliftwithV2.
3 … 6
FRI Gas pressure regulatorMounting the FRI series gas pressureregulatordirectlytotheDMVdualsafetyshutoffvalve ispossiblewithamount-ingkit.TheFRIpressureregulatorcanbeinstalledupstream or downstream of the DMVdual safey shutoff valve depending onapplicationrequirements.
Replacement FRI to DMV mount-ing kitFRI705-707/6toDMV701/6Order No. 219-967
FRI710-712/6toDMV702/6&703/6Order No. 219-968
DMV dual safety shutoff valve modular systemOptionalmountingsystemshown,otherconfigurationspossible
Pmax. = 7 PSI
Pmax. = 7 PSI
Additional Accessories
VPS 504 Valveprovingsystem(approvedbysomeauthoritieshavingjurisdictioninlieuofventvalveand“proofofclosure”).
Integral gas filter (optional) 50microngasfilter
Pre-Mount Filter (optional)50microngasfilter
GAO/GMH/GML A2 gaspressureswitch
Position indicationCPI400withindicationlampsandSPDTinterlockswitch,orvisualindicator(VI)
DMK butterfly control valveMountsdirectlydownstreamofDMVtomodulategasflow.Requiresactuator.UseDMAactuatorwithDMKbutterflyvalve.
DMV D(LE) 7xx/602 VL (with vent line adapter) FactoryinstalledventlineadapterwhichintegratesaventlineconnectionwiththeDMVseries.
Adapters•1/4”NPTadapter(225-047)•1/2”NPTPilot gas adapter;Checkflowrequirements.(225-043)
•G1/8”Testnipple(219-008)•Port 3 Pressure switch mountingadapter(214-975)
When an accessory is added to the DMV, it may not be possible to mount other devices.
DMV dual safety shutoffvalve with upstream FRIpressure regulator
DMV dual safety shutoffvalve with downstream FRIpressure regulator
Pressureswitchcanbemountedonflange
Highgaspressureswitch
Highgaspressureswitch
Valveprovingsystem(VPS504)
Valveprovingsystem(VPS504)
Lowgaspressureswitch
Lowgaspressureswitch PositionIndicator:CPI400interlockswitchonV1orV2VisualIndicator(VI)onV1orV2,oronboth
PositionIndicator:CPI400interlockswitchonV1orV2VisualIndicator(VI)onV1orV2,oronboth
4 … 6
Type
DMV-D701/602
DMV-D702/602
DMV-D703/602
DMV-DLE701/602
DMV-DLE702/602
DMV-DLE703/602
110-120 VAC
50-60 HzOrder No.224-842
224-843
224-844
224-845
224-846
224-847
24 VDC
Order No.
226-990
226-991
226-992
226-993
226-994
226-995
Power* [VA]
45
65
90
45
65
90
a
3.7934.91244.9124
3.7934.91244.9124
b**
5.6141
6.9 / 8.1174/2066.9 / 8.1175/206
5.6141
6.9 / 8.1174/2066.9 / 8.1174/206
c
1.4351.8451.845
1.4351.8451.845
d
1.4355.91507.5190
5.91606.71798.6218
e
1.4353.91013.9101
2.9733.91013.9101
Weight[lbs][kg]
4.62.1
10.14.6
12.15.6
4.82.2
10.34.7
12.35.7
Dimensions [inch]Dimensions[mm]
Dimensions inch (mm)
* InrushcurrentandfullloadcurrenthavethesameVArating.** DMV702/703with1”or1-1/4”flange:6.9”/DMV702/703with1-1/2”or2”flange:8.1”
Valve DescriptionDMV-701/602DMV-701/602DMV-701/602DMV-702/6&703/602DMV-702/6&703/602DMV-702/6&703/602DMV-702/6&703/602
Flange
1/2”3/4”1”1”1 1/4”1 1/2”2”
NPT Part Number222-371222-368221-999222-369222-370222-003221-997
Rp Part Number222-341222-342222-001222-343222-344221-884221-926
Please order flanges,position indicators and gas filters separately
24 VAC50-60 HzOrder No.
228-220
228-221
228-222
228-223
228-224
228-225
Accessories/AdaptersDIN-ElectricalConnectorCPI400valveswitchVisualindicator1/4”NPTadapter1/2”NPTPilotgasadapter;Checkflowrequirements.G1/8”TestnipplePort3Pressureswitchmountingadapter
P/N210-319224-253A217-665225-047225-043219-008214-975
O-ring and bolt kit P/N*224-093224-093224-093224-094224-094224-094224-094
FRI mounting Kit P/N**219-967219-967219-967219-968219-968219-968219-968
Integral filter &strainer replacement230-440230-440230-440230-441230-441230-441230-441
5 … 6
DMV-D(LE)…/602 sectional drawing
1 Strainer2 Flange3 ValveV14 Housing5 ClosingspringV16 PlungerV17 SolenoidV18 Electricalconnection9 Maxflowadjustment10 Initialliftadjustment(DMV-DLE)11 Hydraulicbrake(DMV-DLE)12 ValveV213 ClosingspringV214 PlungerV215 SolenoidV216 Solenoidhousing17 Visualindicator(VI)18 CPI400interlockswitch
Flow (CFH) of natural gas, s.g. 0.65 at 60 °F with 1 in. W.C. pressure drop @ 1.25 psi inlet pressure.
DMV 701DMV 702DMV 703
1/2“
345––
3/4”
429––
1”
45710651230
1-1/4”
–12771532
1-1/2”
–13681698
2”
–14301795
Spec.gravityofNaturalGas
Spec.gravityofgasused
f=
Vgasused=° VNaturalGasxf
° Typeofgasused
Naturalgas
Butane
Propane
Air
Density[kg/m3]
0.81
2.39
1.86
1.24
sg
0.65
1.95
1.50
1.00
f
1.00
0.58
0.66
0.80
Todeterminethepressuredropwhenusingagasotherthannaturalgas,usetheflowformulabelowandfvaluelocatedinthechartbelowtodeterminethe“corrected”flowrateinCFHthroughthevalvefortheothergasused.Forexample,whenusingpropane,dividethevolume(CFH)ofpropanerequiredfortheapplicationbythecalculatedvaluef(f=0.66forpropane).Usethis“corrected”flowrateandtheflowcurveonthenextpagetodeterminepressuredropforpropane.
Usethisformulatocalculatortheffactorforothergasesnotlistedonthetable.
PRESSURE DROP FOR OTHER GASES
6 … 6
Dual Safety Shutoff ValvesDMV-D/602, DMV-DLE/602
Wereservetherighttomakeanychangesintheinterestoftechnicalprogress.
Karl Dungs GmbH & Co. KGP.O. Box 12 29D-73602 Schorndorf, GermanyPhone +49 (0)7181-804-0Fax +49 (0)7181-804-166e-mail [email protected] http://www.dungs.com
Karl Dungs Inc.524 Apollo Drive, Suite 10Lino Lakes, MN 55014, U.S.A.Phone 651 792-8912Fax 651 792-8919e-mail [email protected] http://www.dungs.com/usa/
Flow curve