Browser upgrade recommended.
Improve your Grainger.com experience by upgrading your browser to
Edge
or
Chrome
for the best experience.
Learn more about our
supported browsers.
Unsupported Browser.
Grainger.com no longer supports Internet Explorer. Continuing with this browser will impact your experience. Upgrade to
Edge
or
Chrome
for the best experience.
Learn more about our
supported browsers.
Check Valves
Available86 products
Check valves allow single-direction flow of liquids or gases. Also called one-way or non-return valves, they prevent backflow of downstream media into pumps, residential plumbing systems, and industrial process applications.
Brand
Stainless Steel Check Valves
Stainless steel check valves resist corrosion and are suitable for applications with high pressures and temperatures, including steam.
Inline Ball Cone
FNPT x FNPT Connection Type
Stainless Steel Check Valves Inline Ball Cone FNPT x FNPT Connection Type, sorted by Pipe or Tube Size, ascending
Loading...
Inline Disc
FNPT x FNPT Connection Type
Stainless Steel Check Valves Inline Disc FNPT x FNPT Connection Type, sorted by Pipe or Tube Size, ascending
Loading...
Inline Double Disc
Flange x Flange Connection Type
Stainless Steel Check Valves Inline Double Disc Flange x Flange Connection Type, sorted by Pipe or Tube Size, ascending
Loading...
Inline Piston
FNPT x FNPT Connection Type
Stainless Steel Check Valves Inline Piston FNPT x FNPT Connection Type, sorted by Pipe or Tube Size, ascending
Loading...
MNPT x FNPT Connection Type
Stainless Steel Check Valves Inline Piston MNPT x FNPT Connection Type, sorted by Pipe or Tube Size, ascending
Loading...
MNPT x MNPT Connection Type
Stainless Steel Check Valves Inline Piston MNPT x MNPT Connection Type, sorted by Pipe or Tube Size, ascending
Loading...
Inline Spring
FNPT x FNPT Connection Type
Stainless Steel Check Valves Inline Spring FNPT x FNPT Connection Type, sorted by Pipe or Tube Size, ascending
Loading...
Flange x Flange Connection Type
Stainless Steel Check Valves Inline Spring Flange x Flange Connection Type, sorted by Pipe or Tube Size, ascending
Loading...
Inline Spring Piston
FNPT x FNPT Connection Type
Stainless Steel Check Valves Inline Spring Piston FNPT x FNPT Connection Type, sorted by Pipe or Tube Size, ascending
Loading...
Inline Swing
FNPT x FNPT Connection Type
Stainless Steel Check Valves Inline Swing FNPT x FNPT Connection Type, sorted by Pipe or Tube Size, ascending
Loading...
Socket Weld End Connection Type
Stainless Steel Check Valves Inline Swing Socket Weld End Connection Type, sorted by Pipe or Tube Size, ascending
Loading...
Socket Weld X Socket Weld Connection Type
Stainless Steel Check Valves Inline Swing Socket Weld X Socket Weld Connection Type, sorted by Pipe or Tube Size, ascending
Loading...
Socket x Socket Connection Type
Stainless Steel Check Valves Inline Swing Socket x Socket Connection Type, sorted by Pipe or Tube Size, ascending
Loading...
Solvent Weld x Solvent Weld Connection Type
Stainless Steel Check Valves Inline Swing Solvent Weld x Solvent Weld Connection Type, sorted by Pipe or Tube Size, ascending
Loading...
Threaded X Threaded Connection Type
Stainless Steel Check Valves Inline Swing Threaded X Threaded Connection Type, sorted by Pipe or Tube Size, ascending
Loading...
Threaded x Socket Weld Connection Type
Stainless Steel Check Valves Inline Swing Threaded x Socket Weld Connection Type, sorted by Pipe or Tube Size, ascending
Loading...
Inline Wafer
Flange x Flange Connection Type
Stainless Steel Check Valves Inline Wafer Flange x Flange Connection Type, sorted by Pipe or Tube Size, ascending
Loading...
Flanged Wafer x Flanged Wafer Connection Type
Stainless Steel Check Valves Inline Wafer Flanged Wafer x Flanged Wafer Connection Type, sorted by Pipe or Tube Size, ascending
Loading...
Piston
Socket Weld X Socket Weld Connection Type
Stainless Steel Check Valves Piston Socket Weld X Socket Weld Connection Type, sorted by Pipe or Tube Size, ascending
Loading...
Threaded X Threaded Connection Type
Stainless Steel Check Valves Piston Threaded X Threaded Connection Type, sorted by Pipe or Tube Size, ascending
Loading...
Threaded x Socket Weld Connection Type
Stainless Steel Check Valves Piston Threaded x Socket Weld Connection Type, sorted by Pipe or Tube Size, ascending
Loading...
Swing
Flanged X Flanged Connection Type
Stainless Steel Check Valves Swing Flanged X Flanged Connection Type, sorted by Pipe or Tube Size, ascending
Loading...
Y Spring Piston
FNPT x FNPT Connection Type
Stainless Steel Check Valves Y Spring Piston FNPT x FNPT Connection Type, sorted by Pipe or Tube Size, ascending
Loading...
Ductile Iron Check Valves
Ductile iron check valves have heavy-duty construction that withstands vibration. Their ductility makes them more flexible and resistant to impact and cracking than cast iron.
Inline Spring
MNPT x FNPT Connection Type
Ductile Iron Check Valves Inline Spring MNPT x FNPT Connection Type, sorted by Pipe or Tube Size, ascending
Loading...
Inline Swing
FNPT x FNPT Connection Type
Ductile Iron Check Valves Inline Swing FNPT x FNPT Connection Type, sorted by Pipe or Tube Size, ascending
Loading...
Threaded Connection Type
Ductile Iron Check Valves Inline Swing Threaded Connection Type, sorted by Pipe or Tube Size, ascending
Loading...
Inline Wafer
Flange x Flange Connection Type
Ductile Iron Check Valves Inline Wafer Flange x Flange Connection Type, sorted by Pipe or Tube Size, ascending
Loading...
Flanged Wafer x Flanged Wafer Connection Type
Ductile Iron Check Valves Inline Wafer Flanged Wafer x Flanged Wafer Connection Type, sorted by Pipe or Tube Size, ascending
Loading...
Grooved x Grooved Connection Type
Ductile Iron Check Valves Inline Wafer Grooved x Grooved Connection Type, sorted by Pipe or Tube Size, ascending
Loading...
Steel Check Valves
Steel check valves are suited for high pressure and temperature applications where corrosion resistance is not a concern.
Inline Piston
FNPT x FNPT Connection Type
Steel Check Valves Inline Piston FNPT x FNPT Connection Type, sorted by Pipe or Tube Size, ascending
Loading...
Socket x Socket Connection Type
Steel Check Valves Inline Piston Socket x Socket Connection Type, sorted by Pipe or Tube Size, ascending
Loading...
Inline Swing
FNPT x FNPT Connection Type
Steel Check Valves Inline Swing FNPT x FNPT Connection Type, sorted by Pipe or Tube Size, ascending
Loading...
Flange x Flange Connection Type
Steel Check Valves Inline Swing Flange x Flange Connection Type, sorted by Pipe or Tube Size, ascending
Loading...
Socket Weld X Socket Weld Connection Type
Steel Check Valves Inline Swing Socket Weld X Socket Weld Connection Type, sorted by Pipe or Tube Size, ascending
Loading...
Socket Weld x Socket Weld Connection Type
Steel Check Valves Inline Swing Socket Weld x Socket Weld Connection Type, sorted by Pipe or Tube Size, ascending
Loading...
Threaded Connection Type
Steel Check Valves Inline Swing Threaded Connection Type, sorted by Pipe or Tube Size, ascending
Loading...
Threaded X Threaded Connection Type
Steel Check Valves Inline Swing Threaded X Threaded Connection Type, sorted by Pipe or Tube Size, ascending
Loading...
Threaded x Socket Weld Connection Type
Steel Check Valves Inline Swing Threaded x Socket Weld Connection Type, sorted by Pipe or Tube Size, ascending
Loading...
Threaded x Threaded Connection Type
Steel Check Valves Inline Swing Threaded x Threaded Connection Type, sorted by Pipe or Tube Size, ascending
Loading...
Inline Wafer
Flange x Flange Connection Type
Steel Check Valves Inline Wafer Flange x Flange Connection Type, sorted by Pipe or Tube Size, ascending
Loading...
Flanged Wafer x Flanged Wafer Connection Type
Steel Check Valves Inline Wafer Flanged Wafer x Flanged Wafer Connection Type, sorted by Pipe or Tube Size, ascending
Loading...
Piston
Socket Weld X Socket Weld Connection Type
Steel Check Valves Piston Socket Weld X Socket Weld Connection Type, sorted by Pipe or Tube Size, ascending
Loading...
Threaded X Threaded Connection Type
Steel Check Valves Piston Threaded X Threaded Connection Type, sorted by Pipe or Tube Size, ascending
Loading...
Threaded x Socket Weld Connection Type
Steel Check Valves Piston Threaded x Socket Weld Connection Type, sorted by Pipe or Tube Size, ascending
Loading...
Swing
Flanged X Flanged Connection Type
Steel Check Valves Swing Flanged X Flanged Connection Type, sorted by Pipe or Tube Size, ascending
Loading...
Note: Product availability is real-time basis and adjusted continuously. The product will be reserved for you when you complete your order.
