GB 6246-2026Fire hose (English PDF)

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 replaces GB 6246-2011 "Fire Hose". Compared with GB 6246-2011, apart from structural adjustments and editorial changes, the main differences are as follows: The technological changes are as follows:

a) A new chapter on "Terms and Definitions" has been added (see Chapter 3);

b) The model number has been changed (see Chapter 4, Chapter 3 of the.2011 edition);

c) Added basic parameters (see Chapter 5);

d) The appearance and design requirements have been changed (see 6.1,

4.1 of the.2011 version);

e) The requirements for inner diameter and inspection methods have been changed (see 6.2, 7.2, and

5.2 in the.2011 edition);

f) The length requirement has been changed (see 6.3,

4.3 in the.2011 version);

g) The design working pressure, test pressure, and burst pressure requirements have been changed (see 6.4,

4.4 in the.2011 edition);

h) The requirements related to wetted hoses have been removed (see 4.5, 4.10.2, and

1 Scope

GB 6246-2026 is the Chinese national standard on fire hose, in the field of environment and health protection, safety. It carries no /T suffix, which in the Chinese system means compliance is mandatory: a product or a practice within its scope has to meet it to be lawfully made, sold or carried out in China. It was issued on 27 February 2026 by the State Administration for Market Regulation; Standardization Administration of China, and takes effect on 1 March 2027. Classification: ICS 13.220.10, CCS C84. This page is published from the official record of the standard held by the Chinese standards administration: the identification, the dates, the classification and the issuing body are taken from there. The clause text, the tables and the numeric limits are in the document itself, which is delivered complete in English translation.

This document defines the terminology for fire hoses; specifies the models, basic parameters, performance requirements, inspection rules, as well as marking, packaging, and transportation. Storage; describes the corresponding experimental methods. This document applies to fire hoses (hereinafter referred to as "hose") used in fire fighting and rescue, fixed facilities, water supply and drainage, and other scenarios, including municipal and park-related applications. For water hoses used in forestry, agriculture, boats, and other purposes, please refer to this document for implementation.

2 Normative references

The contents of the following documents, through normative references within the text, constitute essential provisions of this document. Dated citations are not included. For references to documents, only the version corresponding to that date applies to this document; for undated references, the latest version (including all amendments) applies. This document.

GB/T 9258.3-2025 Determination and marking of particle size composition of abrasives for coated abrasives - Part

3 Terms and Definitions

The following terms and definitions apply to this document.

3.1 Water supply appliances consisting of a woven layer, lining, outer cover (where applicable), outer jacket (where applicable), and fire-fighting connection.

3.2 Equipped for fire and rescue teams and mini fire stations, and connected to fire trucks, fire monitors, fire hoses, fire pumps, and water distributors for firefighting. Water hoses used in rescue training and real-world scenarios.

Note. Hereinafter referred to as "Class I water belt".

3.3 Fire hoses are typically used in conjunction with fixed fire-fighting equipment and housed in fire hydrant boxes in various buildings, projects, and facilities.

Note. Hereinafter referred to as "Class II water line".

3.4 For use with long-distance water supply systems, flood control and drainage emergency equipment systems, etc., for large-flow water conveyance and drainage, the inner diameter specification shall not be less than 125 water hose.

Note. Hereinafter referred to as "Class III water belt". Model

4 The method for designating the model number of fire hoses shall comply with the following regulations.