Free flow occurs in one direction, while metered flow occurs in the opposite direction. NPT threads, and press-in inserts. O'Keefe Controls Co., P.O. Box Q, Trumbull, CT 06611. Angle and in-line valves can be operated manually, pneumatically, or electropneumatically. Modular plastic check valves can be used for gas analysis, filtration, and medical diagnostic and treatment equipment.
Customers can specify end fittings, cracking pressure, O-rings, and body and spring materials.
Ringwood Ave., San Jose, CA 95131.