An Overview of Check Valves

Design Features:

The wide variety of Check Valve designs offered by Sure Flow Equipment allows us to provide the optimal solution for all your application requirements. Sure Flow Check Valves are designed to prevent flow reversal which eliminates water hammer and surges associated with valve closure.

 

Retainerless Double Door Check Valves

retainerless double door check valve

 

Size:  2″ thru 54″

End Connections:  Wafer, Full Flanged, Lug, Hub

Body Materials:  Cast Iron, Cast Steel, Cast Stainless Steel, Cast Aluminum Bronze, Exotic Materials

Trim Materials:  Stainless Steel Disc, Metal, Viton® or Buna-N Seat\

Pressure Ratings:  ASME Class 125 thru 2500

Click here for more information on our Retainerless Double Door Check Valves.

 

Silent Check Valves

 

Size: 2″ thru 24″

End Connections:  Wafer, Flanged

Body Materials: Cast Iron, Cast Steel, Cast Stainless Steel, Exotic Materials

Trim Materials: Stainless Steel Disc and Seat

Pressure Ratings:  ASME Class 125 and 150

Click here for more information on our Silent Check Valves.

 

Silent Check Valves photo

Wafer Swing Check Valves

Wafer Swing Check Valves photo

 

Size: 2″ thru 16″

End Connections: Wafer

Body Materials: Cast Iron, Cast Stainless Steel, Exotic Materials

Trim Materials: Stainless Steel Disc, Buna-N Seal

Pressure Ratings: ASME Class 125 and 150

Click here for more information on our Wafer Swing Check Valves.

 


Elastic Swing Check Valves

Size: 2″ thru 24″

End Connections: Flanged

Body Materials: Ductile Iron, Exotic Materials

Trim Materials: Buna-N with steel and fabric reinforced disc

Pressure Ratings: ASME Class 125

Click here for more information on our Elastic Swing Check Valves.

 

Elastic Swing Check photos

 

Horizontal Swing Check Valves

Sure Flow horizontal swing check valve

Size: 2″ thru 20″

End Connections: Flanged

Body Materials: Cast Iron, Exotic Materials

Trim Materials: Bronze ASTM B62

Pressure Ratings: ASME Class 125

Click here for more information on our Horizontal Swing Check Valves.