GB/T 28267.3-2015Steel cord conveyor belts -- Part 3: Special safety requirements for belts for use in underground installations (English PDF)
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Issued by
General Administration of Quality Supervision, Inspection and Quarantine
Level / Type
National · Recommended
Issue date
December 31, 2015
Implementation date
July 1, 2016
Scope
GB/T 28267.3-2015 (Steel cord conveyor belts -- Part 3: Special safety requirements for belts for use in underground installations) is available as an English-translated PDF.
GB/T 28267.3-2015 is the Chinese standard "Steel cord conveyor belts -- Part 3: Special safety requirements for belts for use in underground installations".
Its scope clause reads: This Part of GB/T 28267 specifies the performance and constructional requirements applicable to conveyor belts for underground mining having steel cords in the longitudinal direction as reinforcement.
The requirements for design and construction apply to the design of single belts as well as the design of complete type series such as those covered in GB/T 28267.2.
Steel cord belts in accordance with this Part are intended for use underground in coal mines and in other applications where the highest demands for safety against fire and explosion hazards have to be complied with.
NOTE At present the requirements can only be met by the use of compounds based on chloroprene rubber for the covers as well as for the bonding rubber.
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Document preview — GB/T 28267.3-2015
National Standard of the People's Republic of China
- ICS
- 53.040.20
- Classification
- G 42
Issued by: General Administration of Quality Supervision, Inspection and Quarantine
Contents
- Foreword3
- 1 Scope5
- 2 Normative references5
- 3 Terms and definitions6
- 4 Symbols and units7
- 5 Belt design7
- 6 Design and construction9
- 7 Mechanical requirements11
- 8 Sampling15
- 9 Designation16
- 10 Ordering data16
- 11 Marking17
- Annex A (Informative) Helpful information to be supplied by the purchaser18
- Bibliography20
1 Scope
This Part of GB/T 28267 specifies the performance and constructional requirements applicable to conveyor belts for underground mining having steel cords in the longitudinal direction as reinforcement. The requirements for design and construction apply to the design of single belts as well as the design of complete type series such as those covered in GB/T 28267.2.
Steel cord belts in accordance with this Part are intended for use underground in coal mines and in other applications where the highest demands for safety against fire and explosion hazards have to be complied with.
NOTE At present the requirements can only be met by the use of compounds based on chloroprene rubber for the covers as well as for the bonding rubber.
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 referenced document (including any amendments) applies.
GB/T 5753-2013, Steel Cord Conveyor Belts - Methods for the Determination of Total Thickness and Cover Thickness (ISO 7590.2009, IDT);
GB/T 9867-2008, Rubber vulcanized or thermoplastic - Determination of abrasion resistance using a rotating cylindrical drum device (ISO 4649.2002,
IDT)
ISO 37, Rubber, vulcanized or thermoplastic - Determination of tensile stress-strain properties
ISO 703, Conveyor belts - Transverse flexibility (troughability) - Test method
ISO 2062, Textiles - Yarns from packages - Determination of single-end breaking force and elongation at break
GB/T 30314-2021 | GB/T 28267.4-2015 | GB/T 30313-2013 | GB/T 28267.2-2025 | […]
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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 20 pages — is available in the English PDF.
Referenced standards
Normative references
- GB/T 5753-2013Steel cord conveyor belts -- Methods for the determination of total thickness and cover thickness
- GB/T 9867-2008Rubber, vulcanized or thermoplastic -- Determination of abrasion resistance using a rotating cylindrical drum device
ISO 7590.2009 · ISO 4649.2002 · ISO 37 · ISO 703 · ISO 2062
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Related Standards
GB/T 5753-2013 — Steel cord conveyor belts -- Methods for the determination of total thickness and cover thickness
GB/T 9867-2008 — Rubber, vulcanized or thermoplastic -- Determination of abrasion resistance using a rotating cylindrical drum device
GB/T 28267.1-2021 — Steel cord conveyor belts - Part 1: Design, dimensions and mechanical requirements for conveyor belts for general use
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GB/T 28267.3-2015
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