JB/T 4702-2000 in English
SUPERSEDEDB-Type socket-weld flange
- Issued on:2000-04-24
- Implemented on:2000-09-30
- File Format:PDF
- Delivery:Via email within 1~3 business days
$427.00
| Standard No: | JB/T 4702-2000 |
| Document status: | SUPERSEDED |
| Superseded by: |
NB/T 47022-2012 B-type socket-weld flange
|
| Superseded on: | 2013-03-01 |
| Title in English: | B-Type socket-weld flange |
| Title in Chinese: | 乙型平焊法兰 |
| Language: | English |
| File Format: | Electronic (PDF) |
| Delivery: | Via email within 1~3 business days |
| Issued on: | 2000-04-24 |
| Implemented on: | 2000-09-30 |
| Professional Classification: | JB-Machinery |
| Related Keywords: | b-type socket-weld flange scopethis standard
steel pressure vessels flat welding flanges structural type standard applies |
| Related Topics: | Second
jb/t9568-2000 square flange jb/t50013-2000 orchid B method Type B jb/t4702-2000 jb/t4702 jb/t4705-2000 as4702 jb4702 jb/t4701-2000 jb 5888.1 2000 jb t5905-2000 Lanfa jb/t5905-2000 Carbon steel flat welding flange Large flange manufacturer Type A flat welding flange welding Type B flat welding flange Flat welding flange standard |
Scope
This standard specifies the structural type and series dimensions of type B flat welding flanges for steel pressure vessels. This standard is applicable to type B flat welding flanges of steel pressure vessels with nominal pressures from 0.25MPa to 4.0MPa and operating temperatures above -20 to 350°C. This standard applies to corrosion allowance ≤ 2mm. When the corrosion margin is 3mm, the thickness of the nipple should be increased by 2mm.
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