JB/T 1308.21-2011PN 2500 ultrahigh pressure valves and fittings - Part 21: Elbows (English PDF)
PN2500超高压阀门和管件 第21部分：弯管
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Issued by
MIIT
Level / Type
Industry · Recommended
Issue date
May 18, 2011
Implementation date
August 1, 2011
Scope
JB/T 1308.21-2011 is the English-translated version of PN2500超高压阀门和管件 第21部分：弯管.
JB/T 1308.21-2011 is a recommended Chinese machinery industry standard, the twenty-first part of JB/T 1308 on PN2500 ultra-high pressure valves and fittings, and elbows are its subject.
It fixes the form of the elbow, its size and the technical requirements it must meet. The elbows concerned are forged steel valve elbows of nominal pressure PN2500 and nominal size DN3 to DN25, carrying ethylene, polyethylene or other non-corrosive media.
For classification the document carries J16 in the Chinese scheme and 23.060.01 in the international scheme. It quotes GB/T 8163 and JB/T 1308.3. The earlier edition it supersedes is JB/T 1308.21-1999.
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Document preview — JB/T 1308.21-2011
National Standard of the People's Republic of China
- ICS
- 23.060.01
- Replacing
- JB/T 1308.21-1999
Issued by: Ministry of Industry and Information Technology of the People's Republic of China
Contents
- 2 Normative references
2 Normative references
JB/T 1308.21-2011 cites the following standards, which apply in full or in part through the references made to them in its clauses.
GB/T 8163
JB/T 1308.3
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
Referenced standards
Similar standards
Editions of JB/T 1308.21
| Edition | Title | Revision | Status |
|---|---|---|---|
| JB/T 1308.21-2011 | PN 2500 ultrahigh pressure valves and fittings - Part 21: Elbows | current edition | Current |
| JB/T 1308.21-1999 | PN 2500 ultrahigh pressure valves and fittings - Part 21: Elbows | previous edition | Superseded |
This page sells the current edition, JB/T 1308.21-2011. Earlier editions are listed for reference only.
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Related Standards
GB/T 8163-2018 — Seamless steel pipes for liquid service
JB/T 1308.3-1999 — PN 250 MPa pipe ends - Types, dimensions and specifications
JB/T 1308.3-2011 — PN 2500 ultrahigh pressure valves and fittings - Part 3: Pipe ends
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JB/T 1308.21-2011
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