Humphrey Products

Humphrey Products is a leading pneumatic valve manufacturer specializing in the design and manufacture of pneumatic and fluid control valves, valve systems, and customized products. Based in Kalamazoo, Michigan, Humphrey Products serves diverse industries including medical, analytical, factory automation, test and measurement, and process control. The company offers a wide range of products such as solenoid valves, proportional valves, diaphragm poppet valves, air piloted valves, manual valves, and miniature fittings. Humphrey Products leverages over a century of expertise to deliver engineered solutions, including custom valve development and a dedicated Life Science Group for medical industry applications. They are an ISO 9001:2015 certified company, ensuring high-quality industrial automation and control components. Their product catalog includes specific innovations like the PV3 and PV10 ProControl proportional valves, S390/S391 inert proportional solenoid valves, and the 101 Series 10mm iDP valve for difficult gases and liquids.