Specifications

1. Air Valve is scientific, material polish.Its quality is as well as API series,but the price is favorable.
2. 1inch, 2inch

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.

                                                               

 

 Shanghai Huawei 1'' and 2'' Air/ Vacuum Relief Valves