Procurement status:DIN 2535~2547 NEQ DIN 2573~2637 NEQ guest 12815 EQV
Publication information
publishing house:Machinery Industry Press
Publication date:1995-10-01
other information
drafter:Li Junying, Wu Zhenjia, Zhang Fenglin
Drafting unit:Mechanical Standardization Research Institute of the Ministry of Machinery Industry, Harbin Boiler Factory and Hebei Petroleum Huagong High Pressure Pipe Fittings Factory
Focal point unit:Mechanical Standardization Research Institute of the Ministry of Machinery Industry
Proposing unit:Mechanical Standardization Research Institute of the Ministry of Machinery Industry
Publishing department:Ministry of Machinery Industry of the People's Republic of China
This standard specifies the plastic form and dimensions of concave and convex surface welded steel pipes with nominal pressures PN of 4.0, 6.3, 10.0, 16.0, and 20.0MPa. This standard is applicable to concave and convex face welded steel pipe flanges with nominal pressure PN 4.0~20.0MPa. JB/T 82.2-1994 Concave and convex surface welded steel pipe flange JB/T82.2-1994 Standard download and decompression password: www.bzxz.net
Some standard content:
Machinery Industry Standard of the People's Republic of China Concave and convex surface steel pipe flange Theme content and scope of application JB/T 82.2..-94 Replaces JB8259 This standard specifies the formula and size of face welding steel pipe flanges with nominal pressure PN of 4.0.6.3.10.0 and 16.0.20.0MPa. This standard is applicable to concave and convex face welded steel pipe flanges with nominal pressure PN4.0~20.0MPa. 2 Reference standard JB/T74 pipeline flange technical conditions 3 The type and size of the method should comply with the regulations in Figure 1 and Tables 1 to 5. Type B D Note: 1>The neck slope of PN16.0 and PN20.0MPa flanges is 1:2. Figure The technical requirements of 4 flanges are in accordance with 3B/T74. 5. The nominal pressure of the cap and the maximum allowable working pressure at different temperatures are in accordance with the provisions of Appendix B of JB/T74. 6. Marking example Convex welding with nominal diameter 300mm, nominal pressure 4.0MPa, size series 2 Steel pipe flange: Flange 300-40AJB/F82.2---94 Concave butt welding steel pipe flange with nominal diameter 300mm, nominal pressure 4.0MPa, size series 1: method Lan 300-40B (Series 1) JB/T82.2---94 Ministry of Machinery Industry of the People's Republic of China approved on 1994-12-09 for implementation on 1995-10-01 367 94||tt ||.2 JB/T 82. 2 2 8 22 s0' 8 76 86 150 e E smoke 99.97 8| |tt||S 901 688 29 et 0 284 22||tt ||? 9 0 c K come 3 5 i|| tt||% 8 2 2 5 of 4 8||tt| | 6 6 with x Lake 5 0 5| |tt||0 5 68 EA OS 0 W R||tt ||2 91 gtw 91 9IA .L 「 2||tt| |2 S 4 4 ts/9e 0 22/92 97/97 4 丽 草 S2 0897989 cs9/099 029/09||tt| |O19/919 slt 22 261/002 081/81 091/991 CII/ost|| tt||caov 1 -- - yi ) Suqi (S21 5 5 0 368 JB/T 82. 2 --- 94 06351 ot oot 26°69| |tt||279 5 2 60°21 08.0 092 g 08| |tt||16 82 S6 [ z
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