Huawei Brand Model No.5951 Plastic Automatic Exhaust Valve

Specifications

Automatic Exhaust Valve is scientific, material polish.Its quality is as well as API series,but the price is favorable. 

Function:

Used in head of pivot.If it is installed in the highest position in sand filtration system,it can prevent the water hammer.

Installed in the higher position in the piping system.It will excretion the air of the system when system startup.And when system shutdown , it will intake to prevent a vacuum. 

Air Valve is scientific, material polish.Its quality is as well as API series,but the price is favorable.