title>JB/T 82.2-1994 Concave and convex face welding steel pipe flange - JB/T 82.2-1994 - Chinese standardNet - bzxz.net
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JB/T 82.2-1994 Concave and convex face welding steel pipe flange

Basic Information

Standard ID: JB/T 82.2-1994

Standard Name: Concave and convex face welding steel pipe flange

Chinese Name: 凹凸面对焊钢制管法兰

Standard category:Machinery Industry Standard (JB)

state:in force

Date of Release1994-12-09

Date of Implementation:1995-10-01

standard classification number

Standard Classification Number:Machinery>>General Parts>>J15 Pipe Accessories

associated standards

alternative situation:JB 82-1959

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

Introduction to standards:

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
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