| GB: GB/T9112-2000 (GB9113? 1-2000-GB9123? 4-2000) American standard: ANSI B16.5 Class150, 300, 600, 900, 1500 (WN, SO, BL, TH, LJ, SW) Japanese standard: JIS 5 K, 10 K, 16 K, 20 K (PL, SO, BL, WN, TH, SW) German standard: DIN2573, 2572, 2631, 2576, 2632, 2633, 2543, 2634, 2545 (PL, SO, WN, BL, TH) ministry of chemical industry standard: HG5010-52 ~ HG5028-58, HGJ44-91 ~ HGJ65-91, HG20592-97 series, HG20615-97 series by the standard: JB81-59 ~ JB86-59, JB/T79-94 ~ JB/T86-94, JB/T74-1994 pressure vessel standards: JB1157-82 ~ JB1160-82, JB4700-2000 ~ JB4707-2000 |
