出生地 |
Shanxi China (Mainland) |
标准 |
GB |
type Nominal diameterThe nominal pressureMaterials, Applicable standards Sealing forFlat welding flanges15-20000.6-2.5Q235 A105 20# Cr5Mo 16Mn SUS321 SUS304 SUS316GBJBSH HGSYJANSIHGJ JPIDINThe plane Butt flange0.65-42Tu face type,Socket flange2-10standardThreaded flange0.6-2.5standard Live set of flange2-42Trapezoidal groove surface