Datasheet Content
[{"filename":"dmv-525_datasheet_us_240177.pdf","text":"Dual Modular Safety\n Shutoff Valves\n\n DMV-D 525/11\n DMV-DLE 525/11\n\n\n\n\n Two normally closed safety shutoff\n valves in one housing; each with\n the following approvals.\n\n CSA Certified\n • ANSI Z21.21\n • CSA 6.5\n • Marked C/I\n • File # 157406\n\n FM Approved\n • Class 7411\n • File # 3005931\n\n EU Gas Appliance Directive\n • EN161\n • CE-0085AO0237\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 525/11\n • DMV-DLE 525/11\n • 2 in. NPT Description Directly mounting the following acces-\n • Rp 2 The Dual Modular Valve (DMV) com- sories creates a compact valve train\n bines two safety shutoff valves in one without additional piping:\n Codes and Standards compact housing, which can be wired - High and low gas pressure switches\n This product is intended for installa- independently or in parallel. - Valve proving system\n tions covered by but not imited to NFPA - DMK Butterfly control valve\n 86, ANSI Z83.4, ANSI Z83.18, ANSI Valve 1 (V1) of the DMV-D and DMV- - 1” NPT Vent line adapter\n Z21.13 or CSA B149.1, CSA B149.3 DLE series is fast opening and fast\n\n\n\n\n DMV 525/11 Sales Brochure • Nr. 240177 • Edition 2025.05\n and CSA B149.6. closing. Valve 2 (V2) of the DMV-D is Application\n fast opening, while V2 of the DMV-DLE The DMV is recommended for industrial\n DUNGS is an ISO 9001 is slow-opening for smoother light-off. and commercial heating applications\n manufacturing facility. Max. flow adjustment on V1 provides that require two safety shutoff valves.\n variable main flow on both models. The DMV is suitable for dry natural gas,\n propane, butane, air and inert gases.\n Internal profiles and compact design Suitable for up to 0.1% by volume, dry\n optimize flow and provide a low pres- H2S.\n sure drop.\n A “dry” gas has a dew point lower than\n +15 °F and its relative humidity is less\n than 60 %.\n1…6\n\fDMV-D 525/11 Two normally closed safety shutoff valves in one housing. V1 and V2 are fast opening, fast closing.\n Adjustable max. flow with V1.\n\nDMV-DLE 525/11 Two normally closed safety shutoff valves in one housing. V1 fast opening, fast closing.\n V2 is slow opening, fast closing. Adjustable max. flow on V1 and adjustable initial lift with V2.\n\nSpecifications\nBody sizes DMV-D(LE) 525/11\nPipe size / Thread 2” NPT or Rp\nMax. operating pressure 7 PSI (500 mbar) CSA, FM, CE (Class A)\nMax. body pressure 15 PSI (1000 mbar)\nMax. close off pressure 7 PSI (500 mbar) CSA, FM, CE (Class A)\nElectrical ratings (+10 % / -15 %) 110 - 120 VAC @ 50 - 60 Hz 220 - 240 VAC @ 50 - 60 Hz\n 24 VDC\nPower ratings DMV-D(LE) 525/11: 110 VA\n Ratings shown are total power consumption for both valves inclusive.\n Inrush and full load current have the same VA rating.\nEnclosure rating NEMA 12\nElectrical connection DIN-connector with 1/2” NPT conduit adapter (order separately)\nOperating time 100 % duty cycle\nClosing time <1s\nOpening time (to max. flow) DMV-D 525/11 V1 & V2 < 1 s\n DMV-DLE 525/11 V1 < 1 s; V2 Adjustable to approx. 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 V1 <10 to 100 % of total flow; <10 to 100% of stroke\nMaterials in contact with gas Housing: Aluminium, Steel; free of non-ferrous metals\n Sealings on valve seats: NBR-based rubber\nAmbient temperature rating +5 °F to +140 °F (-15 °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)\nPosition indication CPI 400 with indication lamps and SPDT interlock switch or\n(order separately) Visual indicator (VI)\nTest ports / G 1/8 ISO 228 ports available on both sides. Each side has two ports upstream\nPressure switch mounting ports of V1, two between V1 and V2, one downstream V2 and one on each flange.\nValve proving system Requires VPS 504; mounts directly to either side of DMV\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 1\n Port 2 Port 3 Port 4 Port 5\n Pressure switch can be\n mounted on either flange\n\n\n\n V1 V2\n\n\n Pmax. = 7 PSI\n\n DMV\n\n Port 1 Port 5\n\n Low gas pressure switch Port 2 Port 3 Port 4 High gas pressure switch\n\n\n\n Valve proving system\n (VPS 504)\n\n\n\n\n Position Indicator\n • CPI 400 interlock switch on V1 or V2,\n When an accessory is added or on both\n to the DMV, it may not be pos- • Visual Indicator (VI) on V1 or V2, or\n sible to mount other devices. on both\n\n Additional Accessories GAO/GMH/GML A2 pressure switch Adapters\n • 1/4” NPT adapter (225047)\n VPS 504 Position indication • 1/2” NPT Pilot / vent adapter; Check\n Valve proving system (approved by CPI 400 with indication lamps and SPDT flow requirements. (225043)\n some authorities having jurisdiction in interlock switch, or Visual indicator (VI) • G 1/8”Test nipple with gasket (219008)\n lieu of vent valve and “proof of closure” • 1” NPT Vent line adapter (243760)\n e.g. FM, IRI). DMK butterfly control valve\n Mounts directly downstream of DMV to\n For NFPA 86 applications, the VPS 504 modulate gas flow. Requires actuator.\n is required when “proved closed” require- Use DMA actuator with DMK butterfly\n ments apply. valve.\n\n\n\n\n3…6\n\f Dimensions inch (mm)\n\n\n\n\n…
