Min. Order Reference FOB Price
50 Pieces US$19.00-299.00 / Piece
Product Description
Automatic Air Vent Release Check Valve With Isolation Small size air vent valve is screw type, normally is will be install with a thread ball valve . We also have Double Air Release Valve of Flange type. There is a large and a small orifices. The large one can intake and release large amount of ...