Datasheet Content
[{"filename":"dmv-zr-602_datasheet_us_232809.pdf","text":"Dual Modular Safety\n Shutoff Valves with\n Two-stage operation\n\n DMV-ZRD/602 Series\n DMV-ZRDLE/602 Series\n\n\n\n\n Two normally closed automatic\n shutoff valves in one housing; each\n with the following 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 # 1074737\n\n FM Approved\n • Class 7411\n • Report # J.I. 3007653\n\n Commonwealth of Massachusetts\n Approved Product\n • Approval code G1-1107-35\n • Gas safety shutoff valve\n\n Codes and Standards\n This product is intended for instal- Description drop. Three body styles reduce inventory.\n lations covered by but not lim- The Two-Stage Dual Modular Valve (DMV- Directly mounting the following accesso-\n ited to ANSI Z83.4, ANSI Z83.18, ZR) combines two safety shutoff valves ries creates a compact valve train without\n ANSI Z21.13, NFPA 86, NFPA 160, in one compact housing, which can be additional piping: pressure regulator, high\n CSD -1, CSA B149.1 and CSA wired independently or in parallel. Valve 2 and low gas pressure switches, valve\n B149.3. incorporates two stages, which can be set proving system, and vent line adapter.\n at two different firing rates. Both firing rates\n DUNGS is an ISO 9001 are field adjustable and can modulate from Application\n\n\n\n\n DMV ZRD/602 Sales Brochure • P/N 232809 • Ed. 11/19\n manufacturing facility. high to low during burner operation. The DMV-ZR is recommended for indus-\n trial and commercial heating applications,\n Valve 1(V1) of the DMV-ZRD and DMV- where two automatic shutoff valves and\n ZRDLE series is fast opening and fast modulating between two firing rates dur-\n closing. Valve 2 (V2) is a two stage valve. ing burner operation are required. The\n V2 of the DMV-ZRD is fast opening, while DMV-ZR Dual Modular Valve two stage\n V2 of the DMV-ZRDLE is slow-opening for is suitable for dry natural gas, propane,\n smoother light-off. Max. flow adjustment butane, air and inert gases.\n on V2 provides variable main flow on both\n models. A “dry” gas has a dew point lower than\n +15 °F and its relative humidity is less\n Internal profiles and compact design than 60 %.\n1…6 optimize flow and provide a low pressure\n\fDMV-ZR.../602 Two normally closed safety shutoff valves in one housing. V1 and V2 are fast opening, fast closing.\n Two stage and adjustable max flow with V2.\n\nDMV-ZRDLE.../602 Two normally closed safety shutoff valves in one housing. V1 fast opening, fast closing. V2 is a\n two stage, slow opening, fast closing valve. Adjustable max. flow and adjustable initial lift with V2.\n\nSpecifications\nBody sizes DMV-ZRD(LE) 701 DMV-ZRD(LE) 702 DMV-ZRD(LE) 703\nPipe size / Thread 1/2” - 1” NPT 1” - 2” NPT 1” - 2” NPT\nMax. operating pressure 7 PSI (500 mbar) UL, FM 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. Use\n 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.../602 V1 & V2 < 1 s\n DMV-ZRDLE.../602 V1 < 1 s; V2 Adjustable to approx. 10 to 20 s at 70 °F\nInitial lift adjustment Adjustable on V2 stage one, ZRDLE only; approx. 0 to 70 % of total flow\nMax. flow adjustment 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 or Pre-Mount Filter Block\n for DMV 702 and 703. (Cannot be used with FRI directly mounted to the DMV)\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) for mechanical indication.\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) VPS 504; mounts directly to either side of DMV-ZRD(LE)\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 P1 Mp P2\n HOT L1 N L2 HOT\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 N L\n stage 1 stage 2 HOT\n Mp P\n Valve V2\n stage 2\n\n\n Opening behavior DMV-ZRD(LE)/602\n\n\n V\n Stage II.\n\n\n\n\n Stage I.\n\n\n\n\n t\n\n FRI Gas pressure regulator Additional Accesories Vent Line Adapter\n Mounting the FRI series gas pressure Factory installed vent line\n regulator directly to the DMV dual safety VPS 504 adapter which allows the installtion of a\n shutoff valve is possible with a mount-…
