What is a check valve?

24/06/2022

1. What is a check valve? Check valve, also known as anti-backflow valve, English name is Check Valve (also known as One way valve or non-return valve), is a type of valve whose main function is to only allow the fluid to flow in the direction of flow. in a certain direction, do not allow the refrigerant to circulate in the opposite direction to affect the equipment/system. Therefore, when installing, it should be noted that they must be installed in the correct direction (usually there will be a symbol on the valve body).