FAQ

• 3/4/5 Port Solenoid Valves
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  Serial Transmission System
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  (Fluoropolymer Equipment)
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|Process Valves

What will happen if the pressure on the OUT side of a VX series 2 port N.C. type valve becomes higher than the pressure on the IN side?

Even when the product is not energized, the valve will open, resulting in reverse flow. The numbers “1” and “2” are indicated on the piping ports of the 2 port valve. “1” means the IN side (high pressure side).