Min. Order Reference FOB Price
1 Piece US$1.00 / Piece
Product Description
A21F Spring Loaded Low Lift Threaded Type Gas Safety Relief Valve Product Description A21F Spring Loaded Low Lift Threaded Type Gas Safety Relief Valve introduction: 1.In low lift valves, the disc only lifts a distance of 1/24th of the bore diameter. The discharge area is determined entirely by ...