Flange type electric heating pipe flange standard

Flange-type electric heating pipes are mainly welded by U-shaped electric heating pipes and stainless steel flanges, so as to expand the power of the electric heating pipes and facilitate installation. Today, I will tell you what are the standards for stainless steel flanges:

Common flange standards:

National standard flange: GB9112-2000 (GB9113-2000～GB9123-2000)

American standard flange: ANSI B16.5, ANSI B16.47 Class150, 300, 600, 900, 1500 (WN, SO, BL, TH, LJ, SW)

Japanese standard flange: JIS B2220 5K, 10K, 16K, 20K (PL, SO, BL)

German standard flanges: DIN2527, 2543, 2545, 2566, 2572, 2573, 2576, 2631, 2632, 2633, 2634, 2638

(PL, SO, WN, BL, TH)

Italian standard flanges: UNI2276, 2277, 2278, 6083, 6084, 6088, 6089, 2299, 2280, 2281, 2282, 2283

(PL, SO, WN, BL, TH)

British Standard Flange: BS4504, 4506

Ministry of Chemical Industry Standards: HG5010-52～HG5028-58, HGJ44-91～HGJ65-91

            HG20592-97 (HG20593-97～HG20614-97)

            HG20615-97 (HG20616-97～HG20635-97)

Ministry of Machinery Standard: JB81-94～JB86-94, JB/T79-94～JB/T86-94

Pressure vessel standard: JB4700-2000～JB4707-2000, SH501-1997 petrochemical steel jacket flange

Marine flange standards: GB/T11694-94, GB/T3766-1996, GB/T11693-94, GB10746-89, GB/T4450-1995, GB/T11693-94, GB2506-2005, CBM1012-81, CBM1013, etc.

Applications: Boiler and pressure vessel, petroleum, chemical, shipbuilding, pharmaceutical, metallurgical, machinery, food, and other industries