Morrison Bros 246DRF0100 AV 3" Swing Check Valve, Round Flange, Ductile Iron Emergency Vents and features a center post

and features a center post that allows an even distribution of force when coupling to the adaptor

535B includes integrated thermal expansion relief set at approximately 50 PSI

Protects Equipment — included strainer keeps large particulate contaminants out of your equipment

Width    5

Morrison Bros 246DRF0100 AV 3" Swing Check Valve, Round Flange, Ductile Iron Emergency Vents and features a center postDesigned to prevent backflow in horizontal piping systems. Swing check valves allow liquid to flow in a single direction. Standard Features Durable metal to metal seats 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: PTFE