National standard: GB/T9112-2000 (GB9113 · 1-2000 ~ GB9123? 4-2000)
American standardS: ANSI B16.5 Class150, 300, 600, 900, 600 (WN, SO, BL, TH, LJ, SW)
Japanese standardS: JIS 5 k, 10 k, 16 k, 20 k (PL, SO, BL, WN, TH, SW)
Mark: DIN2573, 2572, 2631, 2576, 2632, 2633, 2543, 2634, 2545 (PL, SO, WN, BL, TH)
Chemical standards: HG5010-52 ~ HG5028-58, ~ HGJ65 HGJ44-91-91, (PN series) \ HG20615 HG20592-2009-2009 (Calss series)
Mechanical standard: JB81-59 ~ JB86 59, JB/T79-94 and JB/T86-94, JB/T74-1994
Pressure vessel standard: ~ JB1160 JB1157-82-82, JB4700-2000 ~ JB4707-2000
Level of pressure: 0.6 Mpa ~ 32 Mpa, 150 lb to 2500 lb, PN0.25 - PN42.0
Material: 304, 304, 321, 316 l, 316 l, 310 s and other materials
Size:1/2~200 inches
Application: apply to the boiler pressure vessel, petroleum, chemical, shipbuilding, pharmaceutical, metallurgy, machinery, food and other industries.Size:1/2~200 inches
Besides Welding neck flanges, we can also produce blind flange, slip-on flange, plate flange, threaded flange, socket welding flange, lap joint flange with ANSI standards, BS standards, DIN standards, EN1092-1 standards, JIS standards etc.
