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Product Introduction
Standard for BL50-1.0RF flange cover
National standard: 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)
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)
Ministry of Chemical Industry Standards: HG5010-52~HG5028-58, HGJ44-91~HGJ65-91 Flange Standards: HG20592-2009 (PN series) HG20615-2009 (Calss series)
Mechanical Department 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
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