GOST 12820-80 FLANGE
Plate Flange is the most common flange, it 's wihtout a low or high hub. The pipe is welded onto inside of the bore of the flange.
Standard: | GOST 12820-80 & GOST 33259-2015 |
Size: | DN10-DN1200 |
Pressure class: | PN6, PN10, PN16, PN25 |
Carbon steel: | CT20 |
Stainless steel: | 12X18H10T, 10X17H13M2T |
Anti-rust treatment of carbon steel flanges: | Anti-rust oil, electric galvanized, hot-dip galvanized |