1-1/4" FNPT Brass Check Valve with Buna-N Rubber Poppet

1" FNPT No-Lead Brass Foot 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.

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 ...

Check valves are mechanical valves that permit gases and liquids to flow in only one direction, preventing flow from reversing. They are classified as one-way directional valves. Fluid/gas flow in the desired direction opens the valve, while backflow forces the valve closed

Watts 0792078 3/4" Dual Check Valve This 3/8 inch dual check valve prevents the reverse flow of polluted water from entering into the drinking water supply at the service entrance or at individual outlets. It is designed for in-line continuous pressure applications, such as wash-down sinks or other installations, where a hose type device connected to the domestic water supply can be submerged into a non-potable liquid. It consists of a chrome-nickel plated lead free brass body, 3/4 inch female hose threaded inlet and male hose threaded outlet, two plastic replaceable check valves, Buna-N ...

2" FNPT In-Line Brass Check Valve with Stainless Steel Poppet. The Model 400 uses a stainless steel poppet for a metal-to-metal seal without the use of an o-ring and is best suited for heavy industrial usage. Product is Made in the USA. Maximum working pressure 200 psi, Maximum temperature 300°F, Cracking pressure 1-2 lbs. Use with hot water, cold water, steam, oil, gas, compounds, chemicals. Not for air compressor use.