The use and installation of clamp check valves require attention to the following key points:

Flow consistency: When placing pipelines, it is important to ensure that the direction of passage of the clamp check valve is consistent with the fluid flow direction. This is the foundation for ensuring the normal operation of the valve.

Vertical installation: Clamp on check valves should be installed in vertically placed pipelines. For horizontally placed pipelines, it is also necessary to place the clamp type check valve vertically to ensure that it can be opened and closed normally.

Avoid direct connection: Expansion pipes should be used to connect between clamp type check valves and butterfly valves to avoid direct connection with other types of valves. This can reduce the stress caused by direct connection between valves and improve the stability of the system.

Obstacle free: Within the operating radius of the valve plate, pipe joints and obstructions should be avoided. This ensures that the valve plate can open and close freely without being damaged or malfunctioning due to obstruction.

Avoid installing reducers: Do not install reducers at the front and rear positions of clamp type check valves. Variable diameter pipes may alter the velocity and pressure of fluids, thereby affecting the normal operation of check valves.

Space requirement: When installing a clamp type check valve at the outlet of the pump, it should be ensured that there is at least six times the diameter of the valve. This can ensure that the butterfly plate can be normally subjected to the action of fluid, thereby smoothly opening and closing.

In addition, in terms of selection, it is generally recommended to choose metal hard sealed clamp type check valves to ensure higher service life, operating temperature, and good sealing performance.

In summary, following the above installation precautions and selection recommendations can ensure the normal operation and long-term stable operation of the clamp check valve.