Back Pressure Valves

M-SERIES, G-SERIES, HIGH FLOW, MEDIUM PRESSURE

Griffco offers a variety of back pressure valves for low to high flows. The valves come in a variety of materials to meet your application needs. The have 180 degree, 90 degree, and wall mount configurations and are available in threaded, flanged, union, or socket connections. M-Series: Low flow (1/4″ to 1/2″ or DN 8 to DN 15 connections), G-Series: Medium to large flow (1/2″ to 4″ or DN 15 to DN 100 connections), High Flow: High flow (1/2″ to 1″ or DN 15 to DN 25 connections), High-Pressure: High-pressure connections up to 2000 psi (138 bar) in sizes from 1/4″ to 1″ (DN 8 to DN 25).