JB/T 1308.20-2011PN2500 ultra-high pressure valves and fittings - Part 20: Reducing tees and reducing crosses (English PDF)
PN2500超高压阀门和管件 第20部分：异径三通、异径四通
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Issued by
MIIT
Level / Type
Industry · Recommended
Issue date
May 18, 2011
Implementation date
August 1, 2011
Scope
JB/T 1308.20-2011 is the English-translated version of PN2500超高压阀门和管件 第20部分：异径三通、异径四通.
JB/T 1308.20-2011 is the part of the Chinese machinery industry standard on PN2500 ultra-high pressure valves and fittings that deals with reducing tees and reducing crosses.
The recommended part gives their forms, their dimensions and the technical requirements they must satisfy. It is written for fittings of nominal pressure PN2500 and nominal sizes from DN3 to DN25, used on forged steel valves whose medium is ethylene, polyethylene or another non-corrosive fluid.
It quotes JB/T 1308.19. The edition it replaces is JB/T 1308.20-1999. Its Chinese classification number is J16 and its international classification number 23.060.01.
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Document preview — JB/T 1308.20-2011
National Standard of the People's Republic of China
- ICS
- 23.060.01
- Replacing
- JB/T 1308.20-1999
Issued by: Ministry of Industry and Information Technology of the People's Republic of China
Contents
- 2 Normative references
2 Normative references
JB/T 1308.20-2011 cites the following standards, which apply in full or in part through the references made to them in its clauses.
JB/T 1308.19
......
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 1308.20
| Edition | Title | Revision | Status |
|---|---|---|---|
| JB/T 1308.20-2011 | PN2500 ultra-high pressure valves and fittings - Part 20: Reducing tees and reducing crosses | current edition | Current |
| JB/T 1308.20-1999 | PN2500 ultra-high pressure valves and fittings - Part 20: Reducing tees and reducing crosses | previous edition | Superseded |
This page sells the current edition, JB/T 1308.20-2011. Earlier editions are listed for reference only.
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Related Standards
JB/T 1308.19-1999 — PN 250 MPa equal tees and equal crosses - Types, dimensions and specifications
JB/T 1308.19-2011 — PN2500 ultra-high pressure valves and fittings - Part 19: Equal tees and equal crosses
JB/T 1308.1-1999 — PN 250 MPa valves - Types and basic parameters
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JB/T 1308.20-2011
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