Detailed Product Description

Detailes of Flanges

Name: Machinery JB/T81 flange

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

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

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

 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.

 Commonly used criteria:

 GB: GB9112-88 (GB9113 1-88 ~ 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 standard: DIN2527, 2543,2545,2566,2572,2573,2576,2631,2632,2633,2634,2638

 (PL, SO, WN, BL, TH)

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

 (PL, SO, WN, BL, TH)

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

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

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

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

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

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

 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.

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

 Quality Management: ISO9001: 2000 Quality Management System Certification

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