JB/T 81-2015Plate slip-on welding steel pipe flanges (English PDF)
板式平焊钢制管法兰
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Issued by
MIIT
Level / Type
Industry · Recommended
Issue date
October 10, 2015
Implementation date
March 1, 2016
Scope
JB/T 81-2015 is the English-translated version of 板式平焊钢制管法兰.
JB/T 81-2015 is the Chinese standard "Plate slip-on welding steel pipe flanges". Its scope clause reads: This standard specifies the type, dimension, technical requirements and designation of the slip-on-welding plate steel pipe flanges.
This standard is applicable to the slip-on-welding steel pipe flanges with nominal pressure of PN 2.5~PN 100. Its clauses include types and dimensions.
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Document preview — JB/T 81-2015
National Standard of the People's Republic of China
- ICS
- 23.040.60
- Replacing
- JB/T 81-1994
Issued by: Ministry of Industry and Information Technology of the People's Republic of China
Contents
- Foreword
- 1 Scope
- 2 Normative References
- 3 Types and Dimensions
- 4 Technical Requirements
- 5 Designation and Designation Examples
- 5.1 Designation
- 5.2 Designation Examples
1 Scope
This standard specifies the type, dimension, technical requirements and designation of the slip-on-welding plate steel pipe flanges.
This standard is applicable to the slip-on-welding steel pipe flanges with nominal pressure of PN 2.5~PN 100.
2 Normative References
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the normative document (including any amendments) applies.
JB/T 74 Specification for Steel Pipe Flanges
JB/T 75 Steel Pipe Flanges - Types and Parameters
3 Types and Dimensions
3.1
Slip-on-welding plate steel pipe flanges are classified into Series 1 slip-on-welding plate steel pipe flanges and Series 2 slip-on-welding plate steel pipe flanges; thereof, Series 1 is preferred.
3.2
The type of sealing face and range of applicable nominal pressure and nominal dimension shall meet the requirements of Table 1.
......
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
Normative references
Similar standards
Editions of JB/T 81
| Edition | Title | Revision | Status |
|---|---|---|---|
| JB/T 81-2015 | Plate slip-on welding steel pipe flanges | current edition | Current |
| JB/T 81-1994 | Plate slip-on welding steel pipe flanges | previous edition | Superseded |
This page sells the current edition, JB/T 81-2015. Earlier editions are listed for reference only.
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Related Standards
JB/T 74-1994 — Pipe flanges - Technical specifications
JB/T 74-2015 — Specification for steel pipe flanges
JB/T 75-1994 — Pipe flanges - Types
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JB/T 81-2015
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