DUNGS EPV - Electro-Pneumatic Valves "Marine"

[{"filename":"epv-marine_datasheet_en_296933.pdf","text":"Electro-Pneumatic-Valve\n\n EPV 16 …\n\n Marine-Version\n\n\n\n\n ELECTRO\n PNEUMATIC H2 ready\n\n VALVE\n EPV 16 XXX\n\n\n\n Manufacturer / Owner\n of EU-Type Examination Certificate\n\n müller co-ax GmbH\n Friedrich-Müller-Straße 1\n 74670 Forchtenberg / Germany\n\n\n\n\n Marine\n\n\n Technical description Approval\n The electro pneumatic valve EPV is Marine approvals according\n a coaxial valve operated with electro • IGF Code\n pneumatic auxiliary energy (5/2-way\n valve): Test certificates on request for each\n batch. Approvals according to marine\n - Gas safety valve NC (normally closed) classification societies LR, BV, DNV\n - Gas relief valve NO (normally open) and others.\n\n depending on the version. ATEX\n Inside Valve: Zone 0\n\n\n\n\n Printed in Germany • Edition 04.23 • Nr. 296933\n Application Outside Valve: Zone 1 or zone 2 de-\n The electro-pneumatic valve, EPV, is pending on limit switch.\n suitable for shutting off (NC) or blowing\n off (NO) of gases families 1, 2, 3 and\n other neutral gaseous media.\n The EPV product range is 100 % H₂ ready.\n The „open or closed“ position can be in-\n dicated electrically by means of induc-\n tive limit switches.\n\n1 … 12\n\fElectro-Pneumatic-Valve\nEPV …\nMarine-Version\n\nPilot valve\n\n\n\n\nSpecification EPV-Valve\n\nNominal diameter DN 25 / DN 50 / DN 80 / DN 100\nFlange PN 16 EN 1092-1\nMax. operating pressure 0 - 16 bar (1600 kPa)\nBack pressure proof Max. 10 bar\nValve Valve as per EN 16678, Class A, Group 2, single-stage mode\n EN 16304 Group 2\n\nFunction Normally closed NC\n Normally open NO\nClosing time DN 25 50 ms\n DN 50 150 ms\n DN 80 350 ms\n DN 100 300 ms\nOpening time DN 25 50 - 3000 ms\n DN 50 150 - 3000 ms\n DN 80 350 - 3000 ms\n DN 100 450 - 3000 ms\n Option: pneumatic break ≤ 20 s\nMedium Gas families 1, 2, 3 and neutral gaseous media\n 100 % hydrogen\nAmbient temperature -10 °C to +60 °C\nTemperature gas -10 °C to +60 °C\nPore width filter element ≤ 50 µm\nMaterials Housing: Steel zinc plated\n Inner parts: Stainless steel\nATEX inner space Zone 0 II 1G Ex e II T5\nATEX outside Zone 1 / II 2G Ex e II T5 (with inductive limit switch Namur 9 V only)\n Zone 2 / II 3G Ex e II T5 (with standard inductive limit switch PNP 24 V only)\nEmergency shutdown Manual operation via pilot valve\nDegree of protection IP 65\nLimit switch Standard inductive PNP 24 VDC\n Inductive Namur 9 VDC, additional amplifier required\n Inductive NPN 24 VDC\nInstallation position from vertically upright to horizontally lying\n\nSpecification Pilot valve\nPilot valve 5/2 way valve\nControl air (nominal pressure) DN 25\t\t\t 4,5 - 8 bar\n DN 50, DN 80, DN 100 4 - 8 bar\n\nControl air requirements clean dry compressed air according to ISO 8573-1, Class 3 and 5, or nitrogen, with\n switching cycles ≥ 2/min. lubrication, dew point 10 °C lower than ambient temperature\nControl air connection G 1/4”\nTemperature compressed air -10 °C to +55 °C\nMaterials Stainless steel\nVoltage / Frequency =(DC) 24 V\nRating / Power consumption 3W\n 2 … 12\n\f Electro-Pneumatic-Valve\n Marine-Version\n\n\n\n\n Type key of EPV\n\n\n\n EPV 16 XXX    XX    XXX    XXX    XXX XX XX\n Classification\n LR = Lloyds Register\n BV = Bureau Vertitas\n ABS = American Bureau of Shipping\n DNV GL = Det Norske Veritas\n \t\t\t Germanischer Lloyd\n\n Marine\n MA\n\n Material housing\n ST = steel\n\n Voltage pilot valve\n =(DC) 24 V\n\n Position indicator\n PNP\n NPN\n Namur\n\n Function\n NC = Normally closed\n NO = Normally open\n\n Diameter\n 025 = DN 25\n 050 = DN 50\n 080 = DN 80\n 100 = DN 100\n\n Max. pressure\n 16 = 16 bar\n\n EPV\n Electro-Pneumatic Valve\n\n\n For example: „EPV 16 080 NC PNP 24 VDC ST MA LR“\n Functional description Closing: When the electrical voltage\n NC valve (Normally closed) to the pilot valve is removed, force is\n Opening: When electrical voltage exerted on the piston with the aid of\n is applied to the pilot valve (5/2-way the pneumatic auxiliary energy and\n valve), the piston of the coaxial valve the closing spring and the tubular\n is pressurised with the pneumatic slide of the coaxial valve is closed, the\n auxiliary energy. The tube slide of the gas flow is blocked.\n valve is opened against the closing\n3 … 12 spring, the gas can flow.\n\fElectro-Pneumatic-Valve\nEPV …\n\n=(DC) 24 V\n\n\n\n\nVersion according Lloyd Register\n Order Flange Length Weight\nType\n No. DN [mm] [kg]\nEPV 16025 NO PNP 24 VDC ST MA LR 295931\nEPV 16025 NO NPN 24 VDC ST MA LR 295932\nEPV 16025 NO Namur 24 VDC ST MA LR 295934\n DN 25 170 11,0\nEPV 16025 NC PNP 24 VDC ST MA LR 295934\nEPV 16025 NC NPN 24 VDC ST MA LR 295936\nEPV 16025 NC Namur 24 VDC ST MA LR 295937\nEPV 16050 NC PNP 24 VDC ST MA LR 295941\nEPV 16050 NC NPN 24 VDC ST MA LR 293717 DN 50 200 24,0\nEPV 16050 NC Namur 24 VDC ST MA LR 295942\nEPV 16080 NC PNP 24 VDC ST MA LR 298397\nEPV 16080 NC NPN 24 VDC ST MA LR 295943 DN 80 260 43,0\nEPV 16080 NC Namur 24 VDC ST MA LR 295944\nEPV 16100 NC PNP 24 VDC ST MA LR…