1/2" FNPT Brass Check Valve with Buna-N Rubber Poppet

2-1/2" FNPT In-Line No-Lead Brass Check Valve with Buna-S Rubber Poppet. The unique poppet design is more durable than an o-ring, because of its solid steel internal insert. Product is Made in the USA. Maximum working pressure 200 psi, Maximum temperature 225°F, Cracking pressure 1-2 lbs. Certified for potable drinking water; however standard general purpose uses apply.

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 ...

Aswing valvehas a disc, the movable part, which blocks the flow as it swings on a hinge or a trunnion , either onto the seat to block reverse flow or off the seat to allow forward flow.

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

Cast iron foot valve with leather flapper. For use in irrigation , drainage, and construction projects. Valve has the leather flapper check to prevent the pump from losing its prime when shut down. Built in strainer helps keep foreign objects from entering the pump during operation. Female national pipe threads and a replaceable valve leather.