GOST 12821-80 Welding Neck Flange
Standar: GOST 12821-80
Tekanan: PN6, PN10, PN16, PN25, PN40, PN63
Ukuran: DN10-DN1600
Tipe: Welding Neck
Bahan: CS CT20, 16Mn, SS304/304L/316/316L/Duplex SS
Lapisan: Minyak Anti Karat; Cat ireng / kuning; Galvanis; Lapisan Epoxy