The 3500 Series solenoid valve is a robust, compact valve that combines the latest injection molding and forging technologies. The molded pilot section features a quick connect DIN 43650 “A” electrical connection, high-cycle solenoid parts and a push non-locking manual override. The forged body is available in ¼, ⅜ and ½ NPT sizes. When used as a directing acting/pilot operated valve, this series gives full flow throughout the pressure range starting with an MOPD of zero psi.