GOST 12821-80 Welding Neck Flange
Stanadard: GOST 12821-80
Khatello: PN6, PN10, PN16, PN25, PN40, PN63
boholo: DN10-DN1600
Mofuta: Molala oa Welding
lintho tse bonahalang: CS CT20, 16Mn, SS304/304L/316/316L/Duplex SS
Ho roala: Oli ea Bopaki ba Rust; Pente e ntšo / e mosehla; Sekontiri; Ho roala ka Epoxy