Check Valves
Check Valves are valves that allow pressure to flow one direction and close if the direction of flow reverses. They can be used for a variety of fluid application suc as liquids, gases, condensate or slurries. Total Valve Systems has a comprehensive offering in the different styles of check valves offered.
Brands
Cast Steel
For years, DSI® Cast Steel Valves have been satisfying the needs of Petroleum Refineries, Chemical Processing Plants, Power Generating Plants, and and other processing facilities throughout the world.
Forged Steel
All DSI® forged carbon steel valves maintain a .22% maximum carbon content and are normalized to further refine the grain and homogenize the microstructure.
Pressure Seal
DSI® Pressure Seal valves are designed for high pressure, high temperature applications such as Steam-Generation Stations, Industrial/Chemical Processing Plants, Thermal Power Generating Plants and other processing facilities throughout the world.
Stainless Steel
Stainless steel NEWCO gate, globe, and check valves offer a complete collection in all grades of stainless steel.
Cast-Steel
Cast-steel NEWCO gate, globe, and check valves exceed all industry performance requirements.
Pressure-Seal
Pressure-seal NEWCO valves are ideal for standard and critical power-industry applications.
Forged-Steel
The forged-steel NEWCO gate, globe, and check valves are ideal for downstream applications and critical power-industry applications.
Wheatley Series 822
The WHEATLEY Series 822 check valve is designed to safely prevent backflow of liquid or gas in pipeline applications.
Wheatley Series 500
WHEATLEY Series 500 check valves are fire-tested carbon steel flanged end check valves with a full-open, through-conduit design for low pressure drop and less turbulence.
Wheatley Piston-Style
The valve's top-entry design allows for easy access and replacement of all valve internal parts with reduced downtime.
Wheatley Swing-Style
The swing-style TOM WHEATLEY check valve is used in critical service applications worldwide.
Wheatley Short-Pattern Wafer
The WHEATLEY short-pattern wafer check valve is a lightweight, compact design ideal for backflow prevention in gas and liquid applications.
Model 3200
3200 Series Back Pressure Check Valves are designed to provide protection in liquid, gas or vapor service where flow is required in one direction.
Model 3220
3220 Series Back Pressure Check Valves are designed to provide protection in liquid, gas or vapor service where flow is required in one direction only into the vessel.
Model 3400
3220 Series Back Pressure Check Valves are designed to provide protection in liquid, gas or vapor service where flow is required in one direction only into the vessel.
Model 3600
The 3600 Series Check Valves allows flow through when the desired cracking pressure is reached.
Model 3230
3230 Series Back Pressure Check Valves are designed for use in liquid, gas or vapor service for such items as bulk storage tanks where flow is desired in only one direction.
Model 3240
3240 Series Back Pressure Check Valves are designed for use in liquid, gas or vapor service for such items as bulk storage tanks where flow is desired in only one direction.
Model 3250
3250 Series Back Pressure Check Valves are designed for use in liquid, gas or vapor service for such items as bulk storage tanks where flow is desired in only one direction.
Model 3260
3260 Series Back Pressure Check Valves are designed for use in liquid, gas or vapor service for such items as bulk storage tanks where flow is desired in only one direction.
4915 Series
Vent Valve Model 4915 can be used as check valve, vacuum breaker or a low-pressure relief valve.
4925 Series
Model 4925 Vent Valve is designed as a pressure or a vacuum vent valve. The minimum settings are 2 ounces for pressure and 2 ounces for vacuum.