Legend Valve® 2" S-614 PVC Check Valve - 203-238

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

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

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 ...

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 ...

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.