Peter Paul is a premier manufacturer of solenoid valves including: 2-way normally open, 2-way normally closed, 3-way normally closed atmosphere exhaust, 3-way normally closed with piped exhaust, 3-way normally open, 3-way directional control, 3-way multi-purpose, high flow, explosion proof, miniature explosion proof, high pressure, low pressure, low watt, magnetic latching, manifolds, operators, plastic, safety, stainless steel and mini valves.