The R-K DOV series direct operating diaphragm valve features a compact thermoplastic valve designed for most harsh chemicals, DI water and high purity applications. Double diaphragms (primary: Teflon, back-up: reinforced EPDM) Pneumatic control to open and spring to close No metal contact with fluid High Cv rating Direct acting full flow with top entry for easy maintenance and minimum water hammer. The standard valve is normally closed (apply air to open). Normally open valve is also available upon request.
