Valve Handbook 3rd Edition

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Harris Check Valves Popular Q&A

Q: What Is a Double Check Valve?
A: These check valves have a flap or disk that allows water to flow in the approved direction. When water flows from the unwanted direction, it forces the flap aga... Read More »

Q: How to Connect a Check Valve.
A: 1. Determine the type and size of check valve most appropriate for your application. Oversized valves often result in valve chatter because they open and close ... Read More »

Q: What is a check valve?
A: This is a device which prevents the reverse flow of air, water (which ever type of system it is installed on) A check valve is an anti-backflow device that keep... Read More »

Q: What is the function of check valves?
A: The function of a check valve is to prevent backward flow of liquid by closing. The check valves close by using fluid pressure. They are two port valves, which ... Read More »

Q: How to troubleshoot a check valve leaking air?
A: 1. Shut down the air supply that is being sent to the leaking valve and remove the valve from the line. 2. Remove the screw from the valve assembly and lift wei... Read More »