A small bore, forged valve(Check Valves) with a bolted cover for easy maintenance. Available in class 800 and 1500 from sizes 1/2 to 2 inches.

Brands: 

Edward

Applications: 

Hydrocracking, Petroleum Production and Refining, Power Generation, Safety Systems, Shutdown Cooling, Utility, Hydrocarbon Processing, Condensate Cooling Water, Geothermal, Heat Recovery Steam Generators, High Pressure Safety Injection, High Temperature Service, Condensate

Industries: 

Condensate Systems, Cooling Systems, Heavy Oil and Upgrading, Nuclear Power, OEM, Power Generation, Boiling Water Reactors Non-safety, SAGD, Steam Systems, Boiler Circulation Systems, Boiler Feed, Boiler Feedwater Systems, Pressurized Water Reactors - Non-safety

Standards: 

ISO, ISO 9001:2000, AMSE (ANSI), Nuclear

Misc: 

High Temp, High Pressure

The Flowserve Edward Bolted Cover Piston Check Valve is small bore, forged and equipped with a bolted cover to provide easy maintenance. This valve is created with certain features and a unique design that allows it to work efficiently and consistently. These features include:

Positive sealing with a spiral wound gasket

Ease of assembly due to the use of a four-bolt design

Ensured proper alignment with the pilot extension found in the cover

Prevention of over-compression of the gasket from a positive metal to metal stop  

Positive shutoff and long seat life due to an integral hardsurfaced seat

Minimized flow direction changes and reduced pressure drop from the use of optimized flow passages

Eliminated misalignment and galling by utilizing anti-thrust rings

Available in class 800 and 1500 from sizes 1/2 to 2 inches.

link:http://www.flowserve.com/Products/Valves/Check/Check-Piston/FliteFlow-Lift-Check-Valve%2Cen_US