Morrison Bros. 246DRF 4 in. Flanged Swing Check Valve w/ 25 PSI Expansion Relief

Description

Designed to prevent backflow in horizontal piping systems. Swing check valves allow liquid to flow in a single direction. Features Durable metal-to-metal seats Thermal expansion relief in 25 PSI 200 PSI cold non-shock pressure limit 150
# raised face flange connections Construction Details Body and cap: Ductile iron Internal components: Ductile and stainless steel Gasket: Teflon® Expansion valve: Stainless steel and Viton®