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Rubber and plastics hoses and hose assemblies - Vocabulary
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Rubber and plastics hoses and hose assemblies -- Vocabulary
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Rubber hose--Glossary of terms
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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) |
| Classification of Chinese Standard | G42 |
| Classification of International Standard | 01.040.23; 23.040.70 |
| Word Count Estimation | 34,345 |
| Date of Issue | 2025-08-29 |
| Date of Implementation | 2026-03-01 |
| Older Standard (superseded by this standard) | GB/T 7528-2019 |
| Issuing agency(ies) | State Administration for Market Regulation; Standardization Administration of China |
GB/T 7528-2025: Rubber and plastics hoses and hose assemblies - Vocabulary
---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GBT7528-2025
ICS 01.040.23;23.040.70
CCSG42
National Standards of the People's Republic of China
Replaces GB/T 7528-2019
Rubber and plastic hoses and hose assemblies terminology
(ISO 8330.2022, IDT)
Published on 2025-08-29
Implemented on 2026-03-01
State Administration for Market Regulation
The State Administration for Standardization issued a statement.
Foreword
This document complies with the provisions of GB/T 1.1-2020 "Standardization Work Guidelines Part 1.Structure and Drafting Rules of Standardization Documents".
Drafting.
This document supersedes GB/T 7528-2019 "Terminology for Rubber and Plastic Hoses and Hoses Assemblies" and is consistent with GB/T 7528-2019.
Aside from structural adjustments and editorial modifications, the main technical changes are as follows.
---The standard structure has been changed from two parts, hose and hose assembly, to a universal, hose-type, and universal design, excluding the reinforcing layer and ends.
Hose components, hose reinforcement components, hose end types, hose assembly terminology, dimensions of hoses and hose assemblies
Geometric properties, mechanical properties, electrical properties, hose manufacturing methods and tools, hose testing and operating conditions, hoses and hose assemblies
Deformation and defects (see Chapter 3, Chapter 2 of the.2019 edition);
---The following terms and definitions have been added.
● Semi-rigid hose (see 3.2.1.12);
● Hybridhose (see 3.2.4.4);
● Metallic wire (see 3.4.14);
● Bead (see 3.6.4.3);
● Barb (see 3.6.4.4);
● Permeability (see 3.8.5);
● Rigid core (see 3.10.1.2);
● Leakage (see 3.12.6);
● Explosion, burst (see 3.12.7).
---The following terms and definitions have been deleted.
● Mandrel-made-built (see.2019 version 2.1.81);
● Body wire (see 2.1.14 in the.2019 edition);
● Signage, brand (see 2.1.19 in the.2019 edition);
● Sudden break, dogleg (see 2.1.38 in the.2019 edition);
● Helical cord (see 2.1.53 in the.2019 edition);
● Spiral direction, lay (see 2.1.75 in the.2019 edition);
● Permeation (see 2.1.94 in the.2019 version);
● Plastic-lined hose (see.2019 version 2.1.98);
● Protected hose (see 2.1.106 in the.2019 edition);
● Tolerance (see 2.1.134 in the.2019 edition);
● Meridians, warp (see 2.1.145 in the.2019 edition);
● Latitude, weft (see 2.1.147 in the.2019 edition);
● Wire-reinforced (see 2.1.148 in the.2019 version);
● 棱,band (see 2.2.2.1 in the.2019 edition);
● Shell clamps, split clamps (see 2.2.36 in the.2019 edition).
---The following terms or definitions have been changed.
● Hydraulic hose, hydraulichose (see 3.1.3, 2.1.61 in the.2019 edition);
● Compound rubber (see 3.1.6, 2.1.28 in the.2019 edition);
● Flat-lay flexible tube, layflathose (see 3.2.1.6, 2.1.76 in the.2019 version);
● Knitted hose (see 3.2.2.8, 2.1.71 in the.2019 edition);
● Molded hose (see 3.2.3.1, 2.1.87 in the.2019 edition);
● Machine-made hose (see 3.2.3.2,.2019 version 2.1.79);
● Mandrel-built hose (see 3.2.3.3,.2019 version 2.1.82);
● Plastic hose (see 3.2.4.2,.2019 version 2.1.97);
● Thermoplastic hose (see 3.2.4.3, 2.1.133 in the.2019 edition);
● Marking (see 3.3.9,.2019 version 2.1.84);
● Embedded helix (see 3.4.2.1,.2019 version 2.1.41);
● Helixwire, spiraled wirecord (see 3.4.2.5,.2019 version 2.1.56);
● Marker line (see 3.4.7, 2.1.83 in the.2019 edition);
● Carcass layer (see 3.4.15, 2.1.23 in the.2019 version);
● Straight end (see 3.5.2,.2019 version 2.1.129);
● Plain end (see version 3.5.5,.2019 version 2.1.96);
(See 3.6.2.2, 2.2.31 and 2.2.32 in the.2019 version);
● Hose fitting (see 3.6.4.1, 2.2.10 and 2.2.15 in the.2019 version);
● Socket shell (tofer rule) (see 3.6.4.7,.2019 versions 2.2.9.1 and 2.2.14);
● Sleeve (see 3.6.4.11, 2.2.38 in the.2019 version);
● Nominal size (see 3.7.1.1, 2.1.88 in the.2019 edition);
● Flexibility (see 3.8.8, 2.1.48 in the.2019 version);
● Stiffness (see 3.8.9,.2019 edition 2.1.50);
● Anti-static wire (see 3.9.3,.2019 version 2.1.3);
● Linear resistance (see 3.9.5, 2.1.77 in the.2019 edition);
● Vacuum test (see 3.11.5, 2.1.142 in the.2019 version);
● Hose deformation (see 3.12.2, 2.1.59 in the.2019 edition).
This document adopts ISO 8330.2022, "Rubber and plastic hoses and hose assemblies - terminology".
Please note that some content in this document may involve patents. The issuing organization of this document assumes no responsibility for identifying patents.
This document was proposed by the China Petroleum and Chemical Industry Federation.
This document is under the jurisdiction of the National Technical Committee on Standardization of Rubber and Rubber Products (SAC/TC35).
This document was drafted by. Shenyang Rubber Research and Design Institute Co., Ltd., Suzhou Huarui Rubber & Plastics Technology Co., Ltd., and Hebei Sanye Fluid Technology Co., Ltd.
Limited Liability Company, Shandong Longkou Special Rubber Hose Co., Ltd., Hebei Zhongmei Special Rubber Co., Ltd., Hebei Youlu Fluid Technology Co., Ltd.
Hebei Jiuxing Rubber & Plastic Products Co., Ltd.
The main drafters of this document are. Wang Fei, Liu Xiangxue, Zhao Qimo, Xu Meng, Wang Shoufeng, Li Yang, Li Zengyi, Wu Binglan, Zhang Pengfei, and Shi Hongyan.
Zhang Bo.
The release history of this document and the document it replaces is as follows.
---First published in 1987 as GB/T 7528-1987, revised for the first time in.2002, revised for the second time in.2007, and revised for the third time in.2011.
This is the fourth revision, the first in.2019.
---This is the fifth revision.
Rubber and plastic hoses and hose assemblies terminology
1.Scope
This document defines the terminology used in the hose industry.
Recommended terms for the conductivity and resistance of rubber and plastic hoses and hose assemblies are given in Annex A of ISO 8031.2020.
2 Normative references
This document has no normative references.
3.Terms and Definitions
The following terms and definitions apply to this document.
3.1 General
3.1.1
hose
A flexible tube consisting of an inner lining (3.3.2), a reinforcing layer (3.4.1), and usually an outer cladding (3.3.6).
3.1.2
Hose assembly
A hose (3.1.1) with a hose fitting (3.6.4.1) at one or both ends.
3.1.3
Hydraulic hose hydraulichose
A hose (3.1.1) with a braided or wound reinforcing layer (3.4.1) is designed for systems that transmit power in fluid under pressure.
3.1.4
Unreinforced tubing
Flexible polymer tube without reinforcement layer (3.4.1).
3.1.5
Operating conditions
Hose (assemblies) may be subjected to pressure, temperature, operation and environment (including the fluid being conveyed).
3.1.6
compound
Rubber (rejected)
A material formed from one or more rubbers or other polymers, combined with all necessary additives, to provide the desired properties when used in hose manufacturing.
A complete mixture.
[Source. ISO 1382.2020, 3.105, replace "for the final product" with "when used in conjunction with the desired properties in the manufacture of hoses"]
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