Description
3" T-311 Cast Iron Swing Check Valve Features: Swing-check design is ideal for all basic commercial/industrial general backflow prevention applicationsDurable cast iron construction resists pipeline stresses and distortionIBBM design: Iron-body-bronze-mount, with bronze body seat and flapper-disc sealing rings. The pliable rings provide an improved seal over plain iron-on-iron designsClass 125/150 full-face flange-type end connectionsAll external surfaces are primed and painted for corrosion resistanceCan be installed in either vertical (upward flow only) or horizontal (cover upright) applicationsIn accordance with interchangeability requirements, face-to-face dimensions conform to ANSI / ASME B16.10Flanged end connections conform to ANSI / ASME B16.1 Class 125/150Conforms to MSS SP-71Manufactured in an ISO accredited facilityWorking Pressure, Non-Shock (PSI): Cold working pressure (CWP): 200 psi, Saturated steam (WSP): 125 psiMaximum service temperature: 450 F
