Check valves should be used whenever there is a need to prevent back-flow of process media. This may be when two incompatible fluids cannot be allowed to mix, or when reverse flow would cause undesirable drainage of a system line or tank. Many styles exist including: simple ball checks, heavy duty swing checks, and highly efficient piston checks. These valves are typically gravity operated and require very little back pressure to seal. Air release valves safely allow any entrapped air or gas to escape, avoiding damage to the piping system.

• VR Series Piston Check Valves
• VB Series Ball Check Valves
• SC Series Swing Check Valves
• VA Series Air Release Valves

For complete product and submittal data packages for each of our valves please register and visit our Technical Library.

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