GB 8109-2023Wheeled fire extinguishers (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 8109-2005 "Trolley-type Fire Extinguisher". Compared with GB 8109-2005, except for structural adjustments and editorial changes In addition, the main technical changes are as follows:

a) The scope of application of the standard has been changed (see Chapter 1, Chapter 1 of the 2005 edition);

b) Changed the model compilation method (see 4.2, 5.4 of the 2005 edition);

c) The operating temperature range has been changed (see 5.1, 6.1 of the 2005 edition);

d) The filling amount has been changed (see 5.2.1, 5.3.3 of the 2005 version);

e) Delete the immersion method requirements and test methods (6.5.3 and 7.4.3 of the 2005 edition);

f) The requirements and test methods for external corrosion resistance have been changed (see 5.6.1 and 7.5.1, 6.7.1 and 7.6.1 of the 2005 edition);

g) The performance requirements and test methods for extinguishing Class A fires have been changed (see 5.7.1 and 7.6.1, 6.9.1 and 7.2 of the 2005 edition);

h) The performance requirements and test methods for extinguishing Class B fires have been changed (see 5.7.2 and 7.6.2, 6.9.2 and 7.3 of the 2005 edition);

i) Added performance requirements and test methods for extinguishing Class D fires (see 5.7.4 and 7.6.3);

j) Added performance requirements and test methods for extinguishing Class F fires (see 5.7.5 and 7.6.3);

k) Added requirements for fire extinguisher manufacturing units to keep product qualification certificates and quality inspection certificates (see 6.1.1.1);

l) Added manufacturing qualification requirements for fire extinguisher bottle manufacturing units (see 6.1.1.2);

m) Added requirements for trolley-type carbon dioxide fire extinguisher valves (see 6.2.5);

n) Added requirements for the activation seal of fire extinguishers (see 6.4);

o) Added material requirements for injection control valves (see 6.7.1);

p) Added requirements for spray hoses (see 6.7.2);

q) Delete the low-temperature drop performance requirements and test methods of the trolley-type carbon dioxide fire extinguisher nozzle (2005 version of 6.10.7.6 and 7.10.3.2);

r) Added performance requirements and test methods for rubber seals (see 6.10 and 8.10);

s) Changed the requirements and test methods for plastic parts (see 6.11 and 8.11, 6.11 and 7.13 of the 2005 edition);

t) The requirements for fire extinguishing agents and driving gases have been changed (see 6.12, 6.13, 5.1 and 5.2 of the 2005 edition);

u) Changed the injection performance test method (see 7.2, 7.1 of the 2005 edition);

v) Added tracer gas leak detection method (see 7.3.3);

w) The length measurement method of the injection hose has been changed (see 8.7.1.1, 7.10.1.1 of the 2005 edition);

x) The pressure alternating test is deleted (see 7.14 of the 2005 edition);

y) Added test methods for fire extinguishing agents (see 8.12);

z) Added test method for driving gas (see 8.13);

aa) Changed the content of the logo (see 9.2, 2005 version of 9.2);

bb) Changed the requirements for the steel seal of the trolley-type carbon dioxide fire extinguisher bottle (see 9.2.4, 9.2.6 of the 2005 version);

cc) Added Class D and Class F fire code symbols (see Figure 3);

dd) Changed the manual (see Chapter 10, Chapter 10 of the 2005 edition);

ee) Changes to the inspection rules for trolley-type fire extinguishers (see Chapter 11, Appendix B of the 2005 edition);

ff) Added requirements for packaging, transportation and storage (see Chapter 12);

gg) Added performance requirements and test methods for trolley-type fire extinguisher valves (see Appendix A).

1 Scope

This document stipulates the classification and models of trolley-type fire extinguishers, the performance requirements and test methods, colors and markings of trolley-type fire extinguishers and components. logo, instructions, inspection rules, packaging, transportation and storage.

This document is applicable to trolley-type fire extinguishers with a total mass greater than 20kg, but not greater than 450kg, and their Design, manufacture and inspection of components.

2 Normative reference documents

The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, the dated quotations For undated referenced documents, only the version corresponding to that date applies to this document; for undated referenced documents, the latest version (including all amendments) applies to this document.

GB/T 192 Basic thread form of ordinary threads

GB/T 193 Ordinary thread diameter and pitch series

GB/T 196 Basic dimensions of ordinary threads

GB/T 197 Ordinary thread tolerances

GB/T 1804 General tolerances Tolerances for linear and angular dimensions without tolerances noted

GB/T 2516 Limit deviation of ordinary threads

GB/T 2828.1 Enumeration sampling inspection procedures Part 1: Batch-by-batch inspection sampling plan retrieved by acceptance quality limit (AQL)

GB/T 3181 paint film color standard

GB 4066 dry powder fire extinguishing agent

GB 4351 Portable fire extinguisher

GB 4396 carbon dioxide fire extinguishing agent

GB/T 4423 Copper and copper alloy drawn rods

GB/T 4968 Fire Classification

GB/T 5099.1 Seamless steel gas cylinders Part 1: Steel cylinders with a tensile strength of less than 1100MPa after quenching and tempering

GB/T 5099.3 Steel seamless gas cylinders Part 3: Normalized cylinders

GB/T 5100 Steel welded gas cylinder

GB/T 5231 Processed copper and copper alloy grades and chemical composition

GB/T 5907.5-2015 Fire protection vocabulary Part 5: Fire protection products

GB/T 11640 Aluminum alloy seamless gas cylinder

GB 15090 fire hose reel

GB/T 15382 General technical requirements for gas cylinder valves

GB 17835 water-based fire extinguishing agent

GB 25971 Hexafluoropropane (HFC236fa) fire extinguishing agent

HG/T 2579 O-shaped rubber sealing ring materials for general hydraulic systems