resilient seal ductile iron flanged foot valve blue color from China Specifications 1.Production Size:2”-12” DN50-DN300mm 2.Pressure range:PN2.5,PN10....
flange standard bs4504 body material GGG50 ductile iron flanged foot valve supplier Specifications 1.Production Size:2”-12” DN50-DN300mm 2.Pressure .....
BRITISH STANDARD BS21 cast iron threaded foot valve contact Sophie Specifications 1.Production Size:1” -6”,DN25-DN150mm 2.Pressure range:PN10,PN16 3.....
body GGG50 pressure PN16 resilient seal flange foot valve factory The major parts material 1.Body:GGG50 2.Base: GGG50 3.Spring: SS304 4.Stem: 2Cr13 5....
4 INCH GG20 BS21 PN16 cast iron foot valve factory located in Xingtai BS21 is the specification for pipe threads for tubes and fittings according to ....