Product Introduction:
Flange BL50-1.0RF Flange standard
Ajuiɛɛr: GB/T9112-2000 (GB9113·1-2000~GB9123·4-2000)
ANSI B16.5 Class150, 300, 600, 900, 1500 (WN, SO, BL, TH, LJ, SW)
日标： JIS 5K, 10K, 16K, 20K (PL, SO, BL, WN, TH, SW)
German Standard: DIN2573、2572、2631、2576、2632、2633、2543、2634、2545（PL、SO、WN、BL、TH）
Chemical Department Standard: HG5010-52~HG5028-58, HGJ44-91~HGJ65-91 Flange Standard: HG20592-2009 (PN Series) HG20615-2009 (Calss Series)
Mechanical Department Standard: JB81-59~JB86-59, JB/T79-94~JB/T86-94, JB/T74-1994
Pressure container standard: JB1157-82~JB1160-82、JB4700-2000~JB4707-2000 B16.47A/B B16.39 B16.48