DUNGS EPV - Electro-Pneumatic Valves

[{"filename":"epv_datasheet_en_296932.pdf","text":"Electro-Pneumatic-Valve\n\n EPV 16 …\n\n CE-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 Technical description Approval\n The electro pneumatic valve EPV is EC-type testing certificate as per:\n a coaxial valve operated with electro\n pneumatic auxiliary energy (5/2-way • EC-Pressure Equipment Directive\n valve):\n Approvals in other important gas con-\n - Gas safety valve NC (normally closed) suming countries.\n - Gas relief valve NO (normally open)\n ATEX\n depending on the version. Inside Valve: Zone 0\n Outside Valve: Zone 1 or zone 2 de-\n\n\n\n\n Printed in Germany • Edition 04.23 • Nr. 296932\n Application pending on limit switch.\n The electro-pneumatic valve, EPV, is\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\f Electro-Pneumatic-Valve\n EPV …\n Pilot valve\n\n\n\n\nSpecification EPV-Valve\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: Aluminium / 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)\n Zone 2 / II 3G Ex e II T5 (with standard inductive limit switch PNP 24 V)\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\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 Aluminium\nVoltage =(DC) 24 V\n ~(AC) 230 VAC (on request)\nRating / Power consumption 3W\n 2 … 12\n\f Electro-Pneumatic-Valve\n CE-Version\n\n\n\n\n Type key of EPV\n\n\n\n EPV 16 XXX    XX    XXX    XXX    XXX\n Material housing\n ST = steel\n AL = aluminium\n\n Voltage pilot valve\n =(DC) 24 V\n ~(AC) 230 VAC (on request)\n\n Position indicator\n PNP\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\n For example: „EPV 16 080 NC PNP 24 VDC AL“\n\n Functional description\n NC valve (Normally closed) Closing: When the electrical voltage\n Opening: When electrical voltage to the pilot valve is removed, force is\n is applied to the pilot valve (5/2-way exerted on the piston with the aid of\n valve), the piston of the coaxial valve the pneumatic auxiliary energy and\n is pressurised with the pneumatic the closing spring and the tubular\n auxiliary energy. slide of the coaxial valve is closed, the\n The tube slide of the valve is opened gas flow is blocked.\n against the closing spring, the gas\n can flow.\n\n\n\n\n3 … 12\n\fElectro-Pneumatic-Valve\nEPV …\n\n=(DC) 24 V\n\n\n\n\n Order Flange Length Weight\nType\n No. DN [mm] [kg]\nEPV 16025 NO PNP 24 VDC ST 295948\nEPV 16025 NO Namur 24 VDC ST 295949\n DN 25 170 11,0\nEPV 16025 NC PNP 24 VDC ST 295950\nEPV 16025 NC Namur 24 VDC ST 295951\nEPV 16050 NC PNP 24 VDC ST 295954\n DN 50 200 24,0\nEPV 16050 NC Namur 24 VDC ST 295955\nEPV 16080 NC PNP 24 VDC ST 295956\n DN 80 260 43,0\nEPV 16080 NC Namur 24 VDC ST 295957\nEPV 16100 NC PNP 24 VDC ST 295958\n DN 100 350 72,0\nEPV 16100 NC Namur 24 VDC ST 295959\nEPV 16025 NO PNP 24 VDC AL 295960\nEPV 16025 NO Namur 24 VDC AL 295961\n DN 25 170 4,0\nEPV 16025 NC PNP 24 VDC AL 295962\nEPV 16025 NC Namur 24 VDC AL 295963\nEPV 16050 NC PNP 24 VDC AL 295964\n DN 50 200 10,0\nEPV 16050 NC Namur 24 VDC AL 295965\nEPV 16080 NC PNP 24 VDC AL 295966\n DN 80 260 19,0\nEPV 16080 NC Namur 24 VDC AL 295967\nEPV 16100 NC PNP 24 VDC AL 295968\n DN 100 350 35,0\nEPV 16100 NC Namur 24 VDC AL 295970\n\n\n\n\n 4 … 12\n\f Electro-Pneumatic-Valve\n CE-Version\n\n\n\n\n Dimensions [mm]\n\n\n\n\n e*\n\n d\n\n…