Datasheet Content
[{"filename":"dmv-zr-612-poc_datasheet_us_245619.pdf","text":"Dual Modular Safety\n Shutoff Valves with\n Two-stage operation and\n Proof of Closure\n\n DMV-ZRD/612 Series\n DMV-ZRDLE/612 Series\n\n\n\n\n Two normally closed automatic\n shutoff valves in one housing.\n Valve 1 (V1) incorporates proof of\n closure. Each valve has the follow-\n ing approvals.\n\n UL Recognized\n • UL 429\n • File #MH16727\n\n CSA Certified\n • ANSI Z21.21\n • CSA 6.5\n • Marked C/I\n • File # 1010989\n\n FM Approved\n • Class 7411\n • File # J.I. 3017969\n\n Commonwealth of Massachusetts\n Approved Product\n • Approval code G1-1107-35\n • Gas Safety Shutoff Valve\n Description Directly mounting the following acces-\n US and Canadian Models The Two-Stage Dual Modular Valve DMV- sories creates a compact valve train\n • DMV-ZRD 702/612 and 703/612 ZR/612 series combines two safety shutoff without additional piping: pressure\n • DMV-ZRDLE 702/612 and 703/612 valves in one compact housing. Valve 2 regulator, high and low gas pressure\n incorporates two stages, which can be set switches, valve proving system, and vent\n Codes and Standards at two different firing rates. Both firing rates line adapter.\n This product is intended for instal- are field adjustable and can modulate from\n lations covered by but not limited to high to low during burner operation. Application\n The DMV-ZR is recommended for\n\n\n\n\n DMV ZR/612 Sales Brochure • P/N 245619 • Ed. 08/16\n NFPA 86, ANSI Z83.4, ANSI Z83.18,\n ANSI Z21.13, UL 795, CSD-1, Valve 1 (V1) of the DMV-ZRD and DMV- industrial and commercial heating ap-\n CSA B149.1 and CSA B149.3. ZRDLE series is fast opening and fast plications, where two automatic shutoff\n closing. Valve 2 (V2) of the DMV-ZRD is valves, proof of closure and modulating\n DUNGS is an ISO 9001 fast opening, while V2 of the DMV-ZRDLE between two firing rates during burner\n manufacturing facility. is slow-opening for smoother light-off. Max. operation are required. The DMV-ZR\n flow adjustment on V2 provides variable Dual Modular Valve two stage is suitable\n main flow on both models. for dry natural gas, propane, butane, air\n and inert gases.\n Internal profiles and compact design\n optimize flow and provide a low pres- A “dry” gas has a dew point lower than\n sure drop. Three body styles reduce +15 °F and its relative humidity is less\n1…6 inventory. than 60 %.\n\fDMV-ZRD/612 Two normally closed automatic shutoff valves in one housing. Valve 1 (V1) incorporates proof of\n closure. V1 and V2 are fast opening, fast closing. Adjustable max. flow with V2.\n\nDMV-ZRDLE/612 Two normally closed automatic shutoff valves in one housing. Valve 1 (V1) 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\nSpecifications\nBody sizes DMV 701/612 DMV 702/612 DMV 703/612\nPipe size / Thread 1/2” - 1” NPT 1” - 2” NPT 1” - 2” NPT\nMax. operating pressure 7 PSI (500 mbar) FM, UL 5 PSI (360 mbar) CSA\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 ratings DMV 701: 70 VA DMV 702: 85 VA DMV 703: 115 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 Type 12\nElectrical connection DIN-connector with 1/2” NPT conduit adapter for valve 1 and valve 2, stage one.\n Screw terminals with 1/2” NPT conduit connection for valve 2, stage two.\n Use moisture-resistant No. 14 wire suitable for at least 194 °F (90°C)\nOperating time 100 % duty cycle\nClosing time <1s\nOpening time (to max. flow) DMV-ZRD V1 & V2 < 1 s\n DMV-ZRDLE V1 < 1s; V2 adjustable to approx. 10 - 20 s at 70 °F\nInitial lift adjustment Adjustable von V2\nMax. flow adjustment DLE only; approx. 0 to 70 % of total flow\n Adjustable on V2, stage 1: approx. 5 to 30 % of stroke\n Adjustable on V2, stage 2: approx. 20 to 100 % of stroke\nMaterials in contact with gas Housing: Aluminium, Steel\n Sealings on valve seats: NBR-based rubber\nAmbient temperature rating -20 °F to +150 °F (-30 °C to +65 °C)\nInstallation position Safety shutoff valve from vertically upright to horizontal\nGas filter(optional) Replaceable integral gas filter (50 micron) in inlet of DMV.\nGas strainer (standard) Installed in the housing upstream V1 (23 mesh)\nProof of closure switch (factory mounted SPDT switch with position indication lamps;\nand calibrated on V1) AC max. 10 A resistive @ 120 VAC and AC max. 8 A inductive @ 120 VAC\nPosition indication (mechanical) Visual indicator (VI), optional for valve #2\nTest ports / G 1/8 ISO 228 ports available on both sides. Each side has one port upstream V1,\nPressure switch mounting ports one between V1 and V2, one downstream V2 and one on each flange.\nValve proving system (optional) Model VPS 504 S06; mounts directly to either side of DMV.\n\n\n\n\n 2…6\n\f Electrical connection\n Use moisture-resistant No. 14 wire Valves V1, V2\n suitable for at least 194 °F (90 °C) stage 1\n\n\n\n DIN Connector\n screw terminal connections\n - L2\n Neutral GROUND\n L2 (N) L1\n HOT\n + L1\n Hot Ground\n Valve 2\n\n\n + L1\n Hot\n Valve 1\n\n\n Valves V1 & V2 Valve V2\n stage 1 stage 2\n\n\n Valve V2\n stage 2\n\n\n Opening behavior DMV-ZRD(LE)\n\n\n\n\n FRI Gas pressure regulator Optional Accessories Vent Line Adapter\n Mounting the FRI series gas pressure Factory installed vent line ada-\n regulator directly to the DMV dual safety VPS 504 pter which allows the mouting of\n shutoff valve is possible with a mount- Valve proving system (approved by a normally open vent valve and\n ing kit. some authorities having jurisdiction in a vent line connection between\n lieu of vent valve and “proof of closure” both safety shutoff valves.\n The FRI pressure regulator can be in- e.g. FM, IRI).\n stalled upstream or downstream of the Adapters\n DMV dual safey shutoff valve depending…
