JB/T 11870.2-2014Heavy Duty Pipe Bender - Part 2: Specifications (English PDF)
重型弯管机 第2部分：技术条件
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Issued by
MIIT
Level / Type
Industry · Recommended
Issue date
May 6, 2014
Implementation date
October 1, 2014
Scope
JB/T 11870.2-2014 is the English-translated version of 重型弯管机 第2部分：技术条件.
JB/T 11870.2-2014 carries the technical requirements of the recommended Chinese machinery industry standard on heavy-duty pipe benders. Alongside those requirements it gives the test methods, the inspection rules and the provisions for marking, packaging, transport and storage.
It applies to heavy pipe benders that bend metal tube by winding in the cold state. The standard is filed under the Chinese classification J62 and the international classification 25.120.10, and was issued by the Ministry of Industry and Information Technology.
Among the standards it quotes are GB/T 3766, GB 5226.1, GB/T 7932, GB/T 7935, GB/T 9969, GB/T 23281, GB 28760, JB/T 1829, JB 9971, JB/T 11870.1 and JB/T 11870.3.
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Document preview — JB/T 11870.2-2014
National Standard of the People's Republic of China
- ICS
- 25.120.10
Issued by: Ministry of Industry and Information Technology of the People's Republic of China
Contents
- Foreword
- Scope
- Normative references
- About this standard
- Related standards
- Classification and status
1 Foreword
JB/T 11870.2-2014 was issued by MIIT on 6 May 2014 and has been in force since 1 October 2014.
It is one of 3 parts of the JB/T 11870 series.
2 Scope
JB/T 11870.2-2014 carries the technical requirements of the recommended Chinese machinery industry standard on heavy-duty pipe benders. Alongside those requirements it gives the test methods, the inspection rules and the provisions for marking, packaging, transport and storage. It applies to heavy pipe benders that bend metal tube by winding in the cold state. The standard is filed under the Chinese classification J62 and the international classification 25.120.10, and was issued by the Ministry of Industry and Information Technology. Among the standards it quotes are GB/T 3766, GB 5226.1, GB/T 7932, GB/T 7935, GB/T 9969, GB/T 23281, GB 28760, JB/T 1829, JB 9971, JB/T 11870.1 and JB/T 11870.3.
3 Normative references
JB/T 11870.2-2014 cites the following standards, which apply in full or in part through the references made to them in its clauses.
GB/T 191
GB/T 3766
GB 5226.1
GB/T 6576
GB/T 7932
GB/T 7935
GB/T 9969
GB/T 13306
GB 17120
GB/T 23281
GB 28760
JB/T 1829
JB/T 3240
JB/T 8356.1
JB/T 8832
JB/T 9954
JB 9971
JB/T 11870.1
JB/T 11870.3
4 About this standard
Issued by: MIIT
English translation: about 15 pages
5 Related standards
Other parts of this standard:
JB/T 11870.1-2014 — 1: Parameters
JB/T 11870.3-2014 — Heavy-duty pipe benders - Part 3: Accuracy
6 Classification and status
International classification (ICS): 25.120.10
Prefix JB/T: recommended standard.
......
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
- GB/T 191Graphical symbols marking for handling and storage of packages
- GB/T 3766Hydraulic fluid power -- General rules and safety requirements for systems and their components
- GB/T 6576Machine tool -- Lubrication systems
- GB/T 7932Pneumatic fluid power -- General rules and safety requirements for systems and their components
- GB/T 7935Hydraulic fluid power - General requirements for hydraulic components
- GB/T 9969General principles for preparation of instructions for use of industrial products
GB 5226.1 · JB 9971
Similar standards
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Related Standards
GB 17120-2025 — Metalforming machinery - Safety technical specification
GB 28760-2012 — Tube bending machine - Safety requirements
GB/T 13306-2011 — Plates
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