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Find 2/2 normally closed, 2/2 Normally Open, 3/2, 5/2 + 5/3 way valves according to port size. Available in Brass, Stainless + Plastics.
2/2 normally closed solenoid valves are failsafe closed and require power to open, in Brass, Stainless and Plastic, according to port size.
2/2 normally open solenoid valves are failsafe open and require power to close, in Brass, Stainless and Plastic, according to port size.
3/2 way solenoid valves for diverting flow including Normally Closed, Normally Open and Universal in Brass, Aluminium, Stainless steel and Plastic, according to port size.
5/2 way solenoid valves, single acting (mono stable). Example: Power on cylinder fully extends, power off cylinder fully retracts (or vice versa).
5/2 way solenoid valves, double acting (bi stable). Example: Power to coil 1 Cylinder fully extends, power off cylinder stays put, power to coil 2 cylinder fully retracts.
5/3 way solenoid valves, double acting (Bi stable). Example: Power coil 1 cylinder extends, power off cylinder stops, even in mid-position. Power to coil 2 cylinder retracts, power off cylinder stops even in mid-position. An addition of speed controller into air line or exhaust port will slow cylinder speed.
2/2 way Latching / bistable solenoid valves. Require a short 20 millisecond power pulse to stay open, then a reverse polarity (swap +ve and -ve supply) short electrical power pulse to stay closed. Reverse the polarity again and repeat the sequence.