Flanges

 Note: can be custom-made kinds of non-standard flange

 Quality Management: ISO9001: 2000 Quality Management System Certification

 The scope of application: boiler and pressure vessel, petroleum, chemicals, shipbuilding, pharmaceutical, metallurgical, machinery, food, etc.

 Marine Flange standard: 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.

 Pressure Vessel standard: JB1157-82 ~ JB1160-82, JB4700-2000 ~ JB4707-2000

 Mechanical Department of the standard: JB81-59 ~ JB86-59, JB/T79-94 ~ JB/T86-94

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

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

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

 British Standards: BS4504, 4506 ,,,,,,,,,,,,,

 (PL, SO, WN, BL, TH)

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

 (PL, SO, WN, BL, TH)

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

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

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

 GB: GB9112-88 (GB9113 1-88 ~ GB9123 36-88)

 Commonly used criteria:

 303 (Y1Cr18Ni9), 304 (0Cr18Ni9), 304L (00Cr19Ni10), 309S (0Cr23Ni13), 310S (0Cr25Ni20), 316 (0Cr17Ni12Mo2), 316L (0Cr17Ni14Mo2), 316Ti (0Cr17Ni12Mo2Ti), 317 (0Cr19Ni13Mo3), 317L (00Cr19Ni13Mo3), 321 (0Cr18Ni9Ti), 410 (1Cr13), 410S (0Cr13), 420 (2Cr13), etc.

 Material: 201 (1Cr17Mn6Ni5N), 202 (1Cr18Mn8Ni5N), 301 (1Cr17Ni7), 302 (1Cr18Ni9),

 Pressure levels: 0.25Mpa ~ 250Mpa (150Lb ~ 2500Lb)

 Specifications: 1 / 2 "~ 80" (10-5000)

Name: Machinery JB/T81 flange

Detailes of Flanges

Flanges:201(1Cr17Mn6Ni5N),202(1Cr18Mn8Ni5N),301(1Cr17Ni7),302(1Cr18Ni9),