Some Flange knowledge
Specification: 1/2 "~ 240" (10-6000).
Pressure level: 0.6Mpa ~ 150Lb, 32Mpa ~ 2500Lb, PN0.25-PN42.0
Material: Carbon steel, alloy steel and other materials
Common standard:
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)
Japanese standard: 5K 10K, JIS, 16K, 20K (PL, SO, BL, WN, TH, SW)
German standard: DIN2573, 2572, 2631, 2576, 2632, 2633, 2543, 2634,, 2545 (SO, WN, BL, TH, PL)
Chemical industry’s standard: HG5028-58 ~ HG5010-52, HGJ65-91 ~ HGJ44-91, HG20592-2009 (PN Series) HG20615-2009 (Calss Series)
Mechanical standard: JB86-59 ~ JB81-59, JB/T79-94 ~ JB/T74-1994, JB/T86-94
Pressure vessel standard: JB1160-82 ~ JB4700-2000, JB1157-82 ~ JB4707-2000
Application range: boiler pressure vessel, oil, chemical industry, shipbuilding, pharmaceutical, metallurgy, machinery, food and other industries.
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