Peter Paul solenoid valves are made from the finest materials with over 65 years of engineering expertise. Peter Paul offers many thousands of possibilities from direct-acting solenoid valves that operate with voltages from 1 volt up to 1,000 volts and from as low as ? watt. Pressure ratings from vacuum to 3,000 psi and various other mechanical and electrical options. The Zoedale / Peter Paul partnership has existed for over 30 years