GOST 12821-80 Welding Neck Flange
Standard: GOST 12821-80
Fanerena: PN6, PN10, PN16, PN25, PN40, PN63
Habe: DN10-DN1600
Karazana: Welding Neck
Fitaovana: CS CT20, 16Mn, SS304/304L/316/316L/Duplex SS
Coating: menaka tsy misy harafesina; Loko mainty/mavo; Galvanized; Epoxy coating