Specification: 1/2 "to 80" (DN10-DN5000)

Pressure rating: 0.25MPa~250Mpa (150Lb~2500Lb)

Common standards:

National standard: GB9112-88 (GB9113 • 1-88 to GB9123 • 36-88)

American standard: ANSI B16.5, ANSI 16.47 Class150, 300, 600, 900, 1500 (WN, SO, BL, TH, LJ, SW)

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

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

(PL, SO, WN, BL, TH)

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

(PL, SO, WN, BL, TH)

British Standard: BS45044506

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)

Mechanical department standards: JB81-59~JB86-59, JB/T79-94~JB/T86-94

Pressure vessel standards: JB1157-82~JB1160-82, JB4700-2000~JB4707-2000

Marine flange standards: GB/T11694-94, GB/T3766-1996, GB/T11693-94, GB10746-89, GB/T4450-1995, GB/T11693-94, GB573-65, GB2506-89, CBM1012-81, CBM1013, etc