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11/2 inch gas safety shut off solenoid valve with manual reset Elektrogas EVRMNC4A (EVRM-NC-11/2)
Function: 2/2 way normally closed with manual reset, (Option Normally Open EVRMNA4A)
Operation: direct acting
Port: 11/2 BSP
Seals: NBR based rubber certified for gas (EN549)
Closing time: < 1 second
Certified: EN161 Class A Group 2, CE Reg PED/0497/895/07, PED 2014/68/EU (Pressure Equipment Directive), ATEX 2014/34/EU, electromagnet compatibility 2014/30/EU, low voltage directive 2014/35/EU and RoHS II 2011/65/EU.
Pressure: 0 to 600 millibar, option (EVRM6NC4A) 6 Bar
Media: Air and Natural Gas and non corrosive gases families 1, 2 and 3 (EN437), option (J) Biogas free of ferrous metals with FPM sealing.
Kvs flow factor: 29 cubic meters an hour
Voltage: 230vAC is standard, option (D) 12vAC/DC, (C) 24vAC/DC or (B)110vAC
Coil: 12 Watt IP65 100% duty rated Class F DIN43650A (voltage tolerance -15% to +10%
Coil option: ATEX for use in zones 2 and 22 according to 2014/34/EU ATEX directive. Category II 3 G,D, protection Ex nA IIA T4 Gc X, Ex Tc IIIB T135C Dc X or Ex Tc IIIC T135C Dc X (IP65)
Filter: Incorporated 600 μm (0,02 in) metal mesh filter to protect valve disc and seals as well as downstream components.
Gauge ports: provided with G1/4 pressure gauge ports on both sides to connect manometers, pressure switches, leak tester or other gas equipment.
Position indication: G1/8 connection (Included) to fit CPI mechanical closed position switch PCS4.
The EVRM-NC-4A 11/2 valve is a manual reset safety valve that is failsafe closed. To open the valve from its closed position, the coil must be energised and the knob pulled to the fully open position. Once opened, the valve can maintain this open position whilst electric current is applied to the coil. In absence of electric current the valve closes rapidly (under 1 second) and remains shut until the reset proceedure is reapplied. Once the causes for the lock have been eliminated, valve must be opened manually as described above.
All components are designed to withstand any mechanical, chemical and thermal condition occuring during typical service. Effective impregnation and surface treatments have been used to improve mechanical reliability , sealing and corrosion resistance.
Valves are 100% tested by computer test machines and are fully warrented.
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