Check valves are installed in many piping systems. Their purpose is to allow flow in only one direction, which can be critical for plant safety and to protect equipment from damage. There are a ...

The purpose of a vacuum breaker is to stop back siphonage. The atmospheric vacuum breaker consists of a check valve member and an air vent that is normally closed when the device is pressurized. The ...

The science pros at TKOR explain how to make a cheap and simple one-way check valve.

The one-way valves will reportedly work with diaphragm pumps. I think it’s important that people are aware of this. I fully expected that my bilge pumps were ready, willing and able to do their job ...