Production standard of flange

China Standard: GB/T9112-2000 (GB9113.1-2000-GB9123.4-2000)

　　American Standards: ANSI B16.5 Class150, 300, 600, 900, 1500 (WN, SO, BL, TH, LJ, SW)

　　Japan Standards: JIS 5K, 10K, 16K, 20K (PL, SO, BL, WN, TH, SW)

　　German Standards: DIN2573, 2572, 2631, 2576, 2632, 2633, 2543, 2634, 2545 (PL, SO, WN, BL, TH)

　　Ministry of Chemical Industry Standards: HG5010-52-HG5028-58, HGJ44-91-HGJ65-91, HG20592-97, HG20615-97

　　Ministry of Machinery Standards: JB81-59-JB86-59, JB/T79-94-JB/T86-94, JB/T74-1994

　　Pressure Vessel Standards: JB1157-82~JB1160-82, JB4700-2000~JB4707-2000 B16.47A/B B16.39 B16.48

　　Hebei Shengtian Group can customize different standard flanges（Include GOST 12820-80 Welding Stainless Steel Plate Flange） according to different needs of customers. We always serve every customer with high quality products. Welcome to visit our factory.