Datasheet Content
[{"filename":"dmv-704-nema4-poc_datasheet_us_245617.pdf","text":"Dual Modular Safety\n Shutoff Valves with\n Proof of Closure and\n NEMA 4 Enclosure\n\n DMV-D 704/624\n DMV-D 704/634\n DMV-DLE 704/624\n DMV-DLE 704/634\n\n\n\n\n Two normally closed automatic\n shutoff valves in one housing.\n Valve 2 (V2) incorporates proof\n of closure on both /624 and /634\n models. Valve 1 (V1) incorporates\n proof of closure on model /634\n only. Each valve has the following\n approvals.\n\n CSA Certified\n • ANSI Z21.21/CSA 6.5\n • Marked C/I\n • File # 112901\n\n Commonwealth of Massachusetts\n Approved Product\n • Approval code G1-1107-35\n • Gas Safety Shutoff Valve\n\n US, Canadian and EU Models\n • DMV-D 704/604\n • DMV-DLE 704/604\n • 2 in. NPT or 2 in. Rp\n\n Codes and Standards\n This product is intended for instal- Description Directly mounting the following acces-\n lations covered by but not limited to The Dual Modular Valve DMV/624 sories creates a compact valve train\n NFPA 85, NFPA 86, NFPA 37, NFPA combines two automatic shutoff valves without additional piping: High and low\n 160, ANSI Z83.4/ CSA 3.7, ANSI in one compact housing. Valve 2 incor- gas pressure switches, Vent line adapter,\n Z83.18/CSA 4.9, ANSI Z21.13, CSD- porates proof of closure. DMK butterfly control valve, and VPS\n 1, CAN1-3.1, CGA 3.2, CSA 3.8, The DMV/634 combines two automatic valve proving system.\n CSA B149.1 or CSA B149.3. shutoff valves in one compact housing.\n Valve 1 and Valve 2 incorporate proof Application\n DUNGS is an ISO 9001 of closure. The DMV is recommended for industrial\n\n\n\n\n DMV 704/6x4 Sales Brochure • P/N 245617 • Ed. 07/20\n manufacturing facility. Valve 1 (V1) of the DMV-D and DMV- and commercial heating applications\n DLE series is fast opening and fast that require two safety shutoff valves\n closing. Valve 2 (V2) of the DMV-D is with proof of closure.\n fast opening, while V2 of the DMV-DLE The DMV Dual Modular Valve is suitable\n is slow-opening for smoother light-off. for natural gas, propane, butane, air and\n Max. flow adjustment on V2 provides inert gases. The DMV is suitable for dry\n variable main flow on both models. natural gas, propane, butane, air and\n Internal profiles and compact design inert gases.\n optimize flow and provide a low pres-\n sure drop. A “dry” gas has a dew point lower than\n +15 °F and its relative humidity is less\n1…6\n than 60 %.\n\fDMV-D/624 Two normally closed automatic shutoff valves in one housing. Valve 2 (V2) incorporates proof of\n closure. V1 and V2 are fast opening, fast closing. Adjustable max. flow with V2.\n\nDMV-DLE/624 Two normally closed automatic shutoff valves in one housing. Valve 2 (V2) incorporates proof of\n closure. V1 fast opening, fast closing. V2 is slow opening, fast closing. Adjustable max flow and\n adjustable initial lift with V2.\n\nDMV-D/634 Two normally closed automatic shutoff valves in one housing. Both valves incorporate proof of closure.\n V1 and V2 are fast opening, fast closing. Adjustable max flow with V2.\n\nDMV-DLE/634 Two normally closed automatic shutoff valves in one housing. Both valves incorporate proof of\n closure. V1 fast opening, fast closing. V2 is slow opening, fast closing. Adjustable max. flow and\n adjustable initial lift with V2.\n\nSpecifications\nBody sizes DMV-D(LE) 704/624; DMV-D(LE) 704/634\nPipe size / Thread 2” NPT or Rp\nMax. operating pressure 7 PSI (500 mbar)\nMax. body pressure 15 PSI (1000 mbar)\nMax. close off pressure 10 PSI (750 mbar)\nElectrical ratings (+10 % / -15 %) 110 - 120 VAC @ 50 - 60 Hz\nPower rating 90 VA\n Ratings shown are total power consumption for both valves inclusive. Inrush and full load current have the same VA rating.\n\nEnclosure rating NEMA 4\nElectrical connection Screw terminals with 1/2” NPT conduit connection\nOperating time 100 % duty cycle\nClosing time <1s\nOpening time (to max. flow) DMV-D series V1 & V2 < 1 s\n DMV-DLE series V1 < 1 s; V2 adjustable 10 to 20 s at 70 °F\nInitial lift adjustment Adjustable on V2 DLE only; 0 to 70 % of total flow; 0 to 35% of stroke\nMax. flow adjustment Adjustable on V2 <10 to 100 % of total flow; <10 to 100% of stroke\nMaterials in contact with gas Housing: Aluminum & Steel, free of non-ferrous metals\n Sealings on valve seats: NBR-based rubber\nAmbient temperature rating -20 °F to +140 °F (-30 °C to +60 °C)\nInstallation position Safety shut off valve from vertically upright to horizontal\nGas strainer (standard) Installed in the housing upstream V1 (23 mesh)\nProof of closure switch SPDT switch with indication lamps; AC max. 10A resistive @ 120 VAC\nFactory mounted and calibrated AC max. 8 A inductive @ 120 VAC\nPosition indication (mechanical) Visual indicator (VI), optional for valve #1 of DMV-D(LE) 704/624 ONLY\nTest ports / G 1/8 ISO 228 ports available on both sides. Each side has two ports upstream of\nPressure switch mounting ports V1, two between V1 and V2, one downstream V2 and one on each flange.\n\n\n\n\n 2…6\n\f DMV dual modular safety shutoff valve system\n Optional mounting system shown,\n other configurations possible\n\n\n\n\n Port 2\n Port 1 Port 3 Port 4 Port 5\n Pressure switch can be\n mounted either flange\n\n\n\n\n Port 6 Port 7\n\n Pmax. = 7 PSI\n\n DMV\n\n Port 1 Port 5\n\n Port 2 Port 3 Port 4\n Low gas pressure switch High gas pressure switch\n\n Position Indicator:\n Visual Indicator (VI) avaliable on V1 /624 only\n Proof of closure switch installed on V1& V2 /634 shown\n\n\n Valve Proving System\n\n\n\n\n When an accessory is added to\n the DMV, it may not be possible\n to mount other devices.\n\n Additional Accessories DMK butterfly control valve Adapters\n Mounts directly…
