GB/T 7528: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 7528-2025 | English | RFQ |
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Rubber and plastics hoses and hose assemblies - Vocabulary
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GB/T 7528-2025
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| GB/T 7528-2019 | English | 724 |
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Rubber and plastics hoses and hose assemblies - Vocabulary
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GB/T 7528-2019
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| GB/T 7528-2011 | English | RFQ |
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Rubber and plastics hoses and hose assemblies -- Vocabulary
| Obsolete |
GB/T 7528-2011
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| GB/T 7528-2002 | English | 559 |
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Rubber and plastics hoses and hose assemblies -- Vocabulary
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GB/T 7528-2002
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| GB/T 7528-1987 | English | 479 |
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Rubber hose--Glossary of terms
| Obsolete |
GB/T 7528-1987
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Basic data | Standard ID | GB/T 7528-2025 (GB/T7528-2025) | | Description (Translated English) | Rubber and plastics hoses and hose assemblies - Vocabulary | | Sector / Industry | National Standard (Recommended) | | Date of Implementation | 2026-03-01 | | Older Standard (superseded by this standard) | GB/T 7528-2019 | GB/T 7528-2019: Rubber and plastics hoses and hose assemblies - Vocabulary---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Rubber and plastics hoses and hose assemblies--Vocabulary
ICS 01.040.23; 23.040.70
G40
National Standards of People's Republic of China
Replace GB/T 7528-2011
Rubber and plastic hose and hose assembly terminology
(ISO 8330.2014, IDT)
Published on.2019-10-18
2020-09-01 implementation
State market supervision and administration
China National Standardization Administration issued
Content
Foreword III
1 Scope 1
2 Terms and Definitions 1
2.1 Hose term 1
2.2 Hose Assembly Terms 15
Appendix NA (informative) Terms and definitions of free length 20
Reference 21
Index 22
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard replaces GB/T 7528-2011 "Rubber and plastic hose and hose assembly terminology", compared with GB/T 7528-2011
The main technical changes are as follows.
--- Added 5 new terms.
● "Bending" (see 2.1.8);
● “Flexible” (see 2.1.48);
● “bending stiffness” (see 2.1.50);
● "Hose deformation" (see 2.1.59);
● “Nominal size, nominal inner diameter size” (see 2.1.89).
--- Modified 7 terms or definitions.
● “Electrical conductivity” (see 2.1.30,.2011 edition 2.1.31);
● “Metal cords, fabric cords” (see 2.1.33,.2011 edition of 2.1.34);
● “Design pressure (rejection)” (see 2.1.37,.2011. 2.1.38);
● “Hard wall hose” (see 2.1.52,.2011 edition of 2.1.51);
● “Sucking and draining hose” (see 2.1.92,.2011 edition of 2.1.92);
● “Pitch” (see 2.1.95, 2.1.95 of the.2011 edition);
● “Core” (see 2.2.35,.2011. 2.2.41).
--- Removed Appendix A and quoted Appendix A of GB/T 9572-2013.
This standard uses the translation method equivalent to ISO 8330.2014 "Rubber and plastic hose and hose assembly terminology".
This standard has made the following editorial changes.
--- Added informative Appendix NA, free length terms and definitions.
This standard was proposed by the China Petroleum and Chemical Industry Federation.
This standard is under the jurisdiction of the National Rubber and Rubber Products Standardization Technical Committee (SAC/TC35).
This standard was drafted. Shenyang Rubber Research and Design Institute Co., Ltd., Tianjin Jingyan Engineering Machinery Transmission Co., Ltd., China Light Union (large
Even) Packaging Research Institute Co., Ltd., Guangzhou Rubber Tube Factory Co., Ltd.
The main drafters of this standard. Wang Wei, Liu Huichun, Feng Guoxun, Li Delong, Cai Hui.
The previous versions of this standard are released as follows.
---GB/T 7528-1987, GB/T 7528-2002, GB/T 7528-2007, GB/T 7528-2011.
Rubber and plastic hose and hose assembly terminology
1 Scope
This standard defines the terms and definitions for rubber and plastic hose and hose assemblies.
This standard applies to the hose industry.
This standard is divided into two units.
2.1 hose terminology;
2.2 Hose assembly terminology.
Note 1. The following hose terms also apply to hose assemblies. bending radius, bending, bending force, burst pressure, elongation, hydrostatic stability, hydrostatic stability
Test, pulse test, bend, maximum working pressure, minimum bend radius, verification pressure, verification pressure test, crimp diameter, test pressure, vacuum resistance
Energy, vacuum stability, vacuum test, working pressure, working temperature.
Recommended conductivity terms and resistance ranges are given in Appendix A of GB/T 9572-2013.
2 Terms and definitions
2.1 Hose Terms
2.1.1
Adhesion strength adhesion
Bonding strength between vulcanized rubber surfaces or between vulcanized rubber surface and non-rubber surface, or two non-rubber (plastic) hose layers
Bond strength between welded or glued together.
2.1.2
Braided angle angleofbraid
Wiring angle angleoflay
An acute angle is formed between any of the braided strands in the braid and a line parallel to the axis of the hose.
2.1.3
Antistatic wire anti-staticwire
Electrical connection wire bondingwire
Wire conductingwire
Connected to the inside of the hose wall (2.1.60) to release static electricity generated in the hose, usually connected to the joint connector (2.2.10)
A metal wire often made of fine copper wire.
2.1.4
Armored hose armouredhose
Hose with outer protective layer (2.1.58), the protective layer is generally a layer of braid (2.1.17) or spiral (2.1.54) to minimize
Damage.
2.1.5
Armoring layer armouring
The outer protective layer on the outside of the hose to prevent mechanical damage or support the hose reinforcement, typically a braid (2.1.17) or spiral
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