Legend Valve® 1-1/4"/1-1/2" S-614 PVC Check Valve - 203-237

8" T-311 Cast Iron Swing Check Valve Features: Swing-check design is ideal for all basic commercial/industrial general backflow prevention applications Durable cast iron construction resists pipeline stresses and distortion IBBM 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 designs Class 125/150 full-face flange-type end connections All external surfaces are primed and painted for corrosion resistance Can be installed in either vertical (upward flow only) or horizontal (cover ...

4" T-312 Ductile Iron Wafer Check Valve, Stainless Steel Disc Features: Dual spring-loaded discs assure quick, silent closure Elastomer seats create a positive seal against backflow Can be installed vertically or horizontally, in any orientation Durable ductile iron body is designed to install easily between Class 125/150 companion flanges The compact body design is lighter and requires less installation space as compared to traditional flanged swing check valves The split-disc, center-torsional spring design minimizes pressure drop Working Pressure, Non-Shock (PSI): Cold working pressure ...

True Union Ball Check Valves Features: Corrosion resistant Good flow characteristics Engineered to insure a positive seal that will prevent reverse flow even with back pressure Quick and easy disassembly without the use of special tools Ball seals by gravity in vertical position, only 2-4 PSI needed in position other than vertical

3" T-312 Ductile Iron Wafer Check Valve, Aluminum Bronze Disc Features: Dual spring-loaded discs assure quick, silent closure Elastomer seats create a positive seal against backflow Can be installed vertically or horizontally, in any orientation Durable ductile iron body is designed to install easily between Class 125/150 companion flanges The compact body design is lighter and requires less installation space as compared to traditional flanged swing check valves The split-disc, center-torsional spring design minimizes pressure drop Working Pressure, Non-Shock (PSI): Cold working pressure ...

12" T-312 Ductile Iron Wafer Check Valve, Ductile Iron Check Valve Features: Dual spring-loaded discs assure quick, silent closure Elastomer seats create a positive seal against backflow Can be installed vertically or horizontally, in any orientation Durable ductile iron body is designed to install easily between Class 125/150 companion flanges The compact body design is lighter and requires less installation space as compared to traditional flanged swing check valves The split-disc, center-torsional spring design minimizes pressure drop Working Pressure, Non-Shock (PSI): Cold working ...