GOST 12821-80 Welding Neck Flange
Paerewa: GOST 12821-80
Pēhanga: PN6, PN10,PN16,PN25,PN40,PN63
Rahi: DN10-DN1600
Momo: Welding Neck
Rauemi: CS CT20, 16Mn, SS304/304L/316/316L/Tarua SS
Whakakikorua: Hinu Waikura; peita pango/kowhai; piauau; Whakakikorua Epoxy