GB 6246-2026 Fire hose English, Anglais, Englisch, Inglés, えいご
This is a draft translation for reference among interesting stakeholders. The finalized translation (passing through draft translation, self-check, revision and verification) will be delivered upon being ordered.
ICS
CCS
National Standard of the People's Republic of China
GB/T 6246-2026
Fire hose
消防水带
Issue date: 2026-02-27 Implementation date: 2027-03-01
Issued by the General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
the Standardization Administration of the People's Republic of China
Contents
Foreword
1 Scope
2 Normative References
3 Terms and Definitions
4 Type Designation
5 Basic Parameters
6 Performance Requirements
6.1 Appearance and Design
6.2 Inner Diameter
6.3 Length
6.4 Design Working Pressure, Test Pressure, and Burst Pressure
6.5 Mass per Unit Length
6.6 Elongation, Expansion, and Twist Direction
6.7 Bendability
6.8 Adhesion
6.9 Low Temperature Resistance
6.10 Physical and Mechanical Properties of Lining and Outer Cover
6.11 Abrasion Resistance
6.12 Connection Performance between Hose and Fire Coupling
6.13 Optical Properties of Reflective Strips
6.14 Bending Resistance
6.15 Alternating Pressure Resistance
6.16 Conductive Heat Resistance
6.17 Radiant Heat Resistance
6.18 UV Light Resistance
7 Test Methods
7.1 Appearance and Design
7.2 Inner Diameter Test
7.3 Length Test
7.4 Pressure Resistance Test
7.5 Mass per Unit Length Test
7.6 Elongation, Expansion, and Twist Direction Test
7.7 Bendability Test
Fire Hose
1 Scope
This document defines the terms for fire hose, specifies its type designation, basic parameters, performance requirements, inspection rules, as well as marking, packaging, transport, and storage; and describes the corresponding test methods.
This document applies to fire hoses (hereinafter referred to as "hose") used in scenarios such as firefighting and rescue, fixed facilities, water supply and drainage, and flood control. Hoses used for municipal, landscaping, agricultural, marine, and other purposes may refer to this document for implementation.
2 Normative References
The following documents contain provisions which, through normative reference in this text, constitute essential provisions of this document. For dated references, only the edition cited applies. For undated references, the latest edition (including any amendments) applies.
GB/T 9258.3—2025 Coated abrasives — Grain size analysis — Determination and marking of grain size distribution — Part 3: Microgrits P240 to P5000
GB 12514 Technical specifications for fire fighting coupling
GB/T 12833—2006 Rubber and plastics — Analysis of multipeak traces obtained in determinations of tear strength and adhesion strength
3 Terms and Definitions
For the purposes of this document, the following terms and definitions apply.
3.1 fire hose
A water conveying apparatus composed of a braided layer, a lining, an outer cover (if applicable), an outer sleeve (if applicable), and fire hose couplings.
3.2 type I fire hose
A fire hose used by fire and rescue teams and micro fire stations, connected to fire engines, fire monitors, fire nozzles, fire pumps, water dividers, etc., for firefighting and rescue training and actual combat.
NOTE: Hereinafter referred to as "Type I hose".
3.3 type II fire hose
A fire hose used in fire hydrant boxes within various buildings, constructions, and facilities, often in conjunction with fixed fire protection facilities.
NOTE: Hereinafter referred to as "Type II hose".
3.4 type III fire hose
A fire hose with a nominal inner diameter not less than 125 mm, used in conjunction with long-distance water supply systems, flood control and drainage emergency response equipment systems, etc., for large-flow water supply and drainage.
NOTE: Hereinafter referred to as "Type III hose".
4 Type Designation
The method for determining the type designation of fire hose shall comply with the following provisions.
5 Basic Parameters
The basic parameters of the fire hose shall comply with the provisions in Table 1.
Table 1 — Basic parameters of fire hose
6 Performance Requirements
6.1 Appearance and Design
6.1.1 The braided layer and outer sleeve of the fire hose shall be woven evenly, with a clean surface, and shall be free from skipped double strands, broken double strands, skipped strands, or scratches.
6.1.2 The thickness of the lining and outer cover of the fire hose shall be uniform, and the surface shall be smooth and flat, free from wrinkles or other defects.
6.1.3 Type I fire hoses shall have no fewer than two reflective strips, evenly distributed, with a single strip width not less than 10 mm.
6.1.4 Type I fire hoses shall be equipped with a protective sleeve at the connection point with the fire coupling. The protective sleeve shall cover the connection area between the hose and the fire coupling without affecting the use of the fire coupling.
6.2 Inner Diameter
The nominal size and tolerance of the inner diameter specification of the fire hose shall comply with the provisions in Table 2.
Table 2 — Nominal size and tolerance of fire hose inner diameter
6.8 Adhesion
After the adhesion test, Type I and Type II fire hoses shall be able to separate automatically at the adhesion point under the corresponding test pressure specified in Table 3, without leakage. After the adhesion test, Type III fire hoses shall show no adhesion between the lining and the outer cover.
6.9 Low Temperature Resistance
After the low temperature resistance test, the fire hose shall be capable of being immediately deployed without curling and shall show no leakage at the design working pressure.
6.10 Physical and Mechanical Properties of Lining and Outer Cover
6.10.1 Adhesion Strength
The adhesion strength between the braided layer and the lining, and between the braided layer and the outer cover (if applicable), shall comply with the provisions in Table 7.
Table 7 — Adhesion strength of fire hose
6.14 Bending Resistance
When bent under pressure, Type I fire hoses shall not leak or rupture.
6.15 Alternating Pressure Resistance
After 2000 cycles of the alternating pressure resistance test, Type I fire hoses, their fire couplings, and the connections shall not leak, rupture, or slip off.
6.16 Conductive Heat Resistance
After the conductive heat resistance test, the burst pressure of Type I fire hoses shall not be less than 75% of the value before the test.
6.17 Radiant Heat Resistance
The radiant heat resistance time for Type I fire hoses shall not be less than 10 seconds.
GB 6246-2026 Fire hose English, Anglais, Englisch, Inglés, えいご
This is a draft translation for reference among interesting stakeholders. The finalized translation (passing through draft translation, self-check, revision and verification) will be delivered upon being ordered.
ICS
CCS
National Standard of the People's Republic of China
GB/T 6246-2026
Fire hose
消防水带
Issue date: 2026-02-27 Implementation date: 2027-03-01
Issued by the General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
the Standardization Administration of the People's Republic of China
Contents
Foreword
1 Scope
2 Normative References
3 Terms and Definitions
4 Type Designation
5 Basic Parameters
6 Performance Requirements
6.1 Appearance and Design
6.2 Inner Diameter
6.3 Length
6.4 Design Working Pressure, Test Pressure, and Burst Pressure
6.5 Mass per Unit Length
6.6 Elongation, Expansion, and Twist Direction
6.7 Bendability
6.8 Adhesion
6.9 Low Temperature Resistance
6.10 Physical and Mechanical Properties of Lining and Outer Cover
6.11 Abrasion Resistance
6.12 Connection Performance between Hose and Fire Coupling
6.13 Optical Properties of Reflective Strips
6.14 Bending Resistance
6.15 Alternating Pressure Resistance
6.16 Conductive Heat Resistance
6.17 Radiant Heat Resistance
6.18 UV Light Resistance
7 Test Methods
7.1 Appearance and Design
7.2 Inner Diameter Test
7.3 Length Test
7.4 Pressure Resistance Test
7.5 Mass per Unit Length Test
7.6 Elongation, Expansion, and Twist Direction Test
7.7 Bendability Test
Fire Hose
1 Scope
This document defines the terms for fire hose, specifies its type designation, basic parameters, performance requirements, inspection rules, as well as marking, packaging, transport, and storage; and describes the corresponding test methods.
This document applies to fire hoses (hereinafter referred to as "hose") used in scenarios such as firefighting and rescue, fixed facilities, water supply and drainage, and flood control. Hoses used for municipal, landscaping, agricultural, marine, and other purposes may refer to this document for implementation.
2 Normative References
The following documents contain provisions which, through normative reference in this text, constitute essential provisions of this document. For dated references, only the edition cited applies. For undated references, the latest edition (including any amendments) applies.
GB/T 9258.3—2025 Coated abrasives — Grain size analysis — Determination and marking of grain size distribution — Part 3: Microgrits P240 to P5000
GB 12514 Technical specifications for fire fighting coupling
GB/T 12833—2006 Rubber and plastics — Analysis of multipeak traces obtained in determinations of tear strength and adhesion strength
3 Terms and Definitions
For the purposes of this document, the following terms and definitions apply.
3.1 fire hose
A water conveying apparatus composed of a braided layer, a lining, an outer cover (if applicable), an outer sleeve (if applicable), and fire hose couplings.
3.2 type I fire hose
A fire hose used by fire and rescue teams and micro fire stations, connected to fire engines, fire monitors, fire nozzles, fire pumps, water dividers, etc., for firefighting and rescue training and actual combat.
NOTE: Hereinafter referred to as "Type I hose".
3.3 type II fire hose
A fire hose used in fire hydrant boxes within various buildings, constructions, and facilities, often in conjunction with fixed fire protection facilities.
NOTE: Hereinafter referred to as "Type II hose".
3.4 type III fire hose
A fire hose with a nominal inner diameter not less than 125 mm, used in conjunction with long-distance water supply systems, flood control and drainage emergency response equipment systems, etc., for large-flow water supply and drainage.
NOTE: Hereinafter referred to as "Type III hose".
4 Type Designation
The method for determining the type designation of fire hose shall comply with the following provisions.
5 Basic Parameters
The basic parameters of the fire hose shall comply with the provisions in Table 1.
Table 1 — Basic parameters of fire hose
6 Performance Requirements
6.1 Appearance and Design
6.1.1 The braided layer and outer sleeve of the fire hose shall be woven evenly, with a clean surface, and shall be free from skipped double strands, broken double strands, skipped strands, or scratches.
6.1.2 The thickness of the lining and outer cover of the fire hose shall be uniform, and the surface shall be smooth and flat, free from wrinkles or other defects.
6.1.3 Type I fire hoses shall have no fewer than two reflective strips, evenly distributed, with a single strip width not less than 10 mm.
6.1.4 Type I fire hoses shall be equipped with a protective sleeve at the connection point with the fire coupling. The protective sleeve shall cover the connection area between the hose and the fire coupling without affecting the use of the fire coupling.
6.2 Inner Diameter
The nominal size and tolerance of the inner diameter specification of the fire hose shall comply with the provisions in Table 2.
Table 2 — Nominal size and tolerance of fire hose inner diameter
6.8 Adhesion
After the adhesion test, Type I and Type II fire hoses shall be able to separate automatically at the adhesion point under the corresponding test pressure specified in Table 3, without leakage. After the adhesion test, Type III fire hoses shall show no adhesion between the lining and the outer cover.
6.9 Low Temperature Resistance
After the low temperature resistance test, the fire hose shall be capable of being immediately deployed without curling and shall show no leakage at the design working pressure.
6.10 Physical and Mechanical Properties of Lining and Outer Cover
6.10.1 Adhesion Strength
The adhesion strength between the braided layer and the lining, and between the braided layer and the outer cover (if applicable), shall comply with the provisions in Table 7.
Table 7 — Adhesion strength of fire hose
6.14 Bending Resistance
When bent under pressure, Type I fire hoses shall not leak or rupture.
6.15 Alternating Pressure Resistance
After 2000 cycles of the alternating pressure resistance test, Type I fire hoses, their fire couplings, and the connections shall not leak, rupture, or slip off.
6.16 Conductive Heat Resistance
After the conductive heat resistance test, the burst pressure of Type I fire hoses shall not be less than 75% of the value before the test.
6.17 Radiant Heat Resistance
The radiant heat resistance time for Type I fire hoses shall not be less than 10 seconds.
