GB 5135.21-2025 Pending National standards force_standard

GB 5135.21-2025 Automatic sprinkler system—Part 21:Inspector's test connection

Publish Date: 2025-10-31 Implement Date: 2026-11-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB 5135.21-2025

Standard Type: National standards

Standard Status: Pending

is_force_gb: yes

CCS Name: Fire-fighting equipment and materials

ICS Name: Fire extinguishing

Publish Date: 2025-10-31

Implement Date: 2026-11-01

Publisher: 国家市场监督管理总局、国家标准化管理委员会

Technical Committee: 国家消防救援局

Pages: 24 pages

Scope

本文件界定了自动喷水灭火系统末端试水装置的术语和定义，规定了末端试水装置的分类和型号编制、要求、检验规则、标志、使用说明书、包装、运输和贮存要求，描述了相应的试验方法。
本文件适用于自动喷水灭火系统中末端试水装置的设计、生产和检验。

Development Information

Word Count: 33 Thousand words Pages: 24 pages

Same series standard

GB 5135.2-2025 Automatic sprinkler system—Part 2:Wet system alarm valves,retard chamber, water motor alarm GB 5135.3-2025 Automatic sprinkler system—Part 3:Water spray nozzle GB 5135.4-2025 Automatic sprinkler system—Part 4:Dry pipe valves and accelerator GB 5135.11-2025 Automatic sprinkler systems—Part 11:Grooved pipe couplings and fittings

Replace the following standards

GB 5135.21-2011 Automatic sprinkler system—Part 21:Inspector's test connection

Referenced Standards

GB/T 191-2000 Packaging—Pictorial marking for handling of goods GB/T 191-2008 Packaging—Pictorial marking for handling of goods GB/T 191-2025 Graphical symbols marking for handling and storage of packages GB 5135.11-2006 Automatic sprinkler system—Part 11:Grooved couplings and fittings GB/T 7306.1-2000 Pipe threads with 55 degree thread angle where pressure-tight joints are made on the threads—Part 1:Parallel internal and taper external threads GB/T 7306.2-2000 Pipe threads with 55 degree thread angle where pressure-tight joints are made on the threads—Part 2:Taper internal and external threads GB/T 9124.1-2019 Steel pipe flanges—Part 1:PN designated GB/T 17241.1-1998 Synoptic table for cast iron pipe flanges GB/T 17241.1-2024 Cast iron pipe flanges—Part 1:PN designated XF 61-2010 General technical requirements for fixed fire-extinguishing system drive and control devices GB 5135.11-2025 Automatic sprinkler systems—Part 11:Grooved pipe couplings and fittings

Related Standards

GB 4065-1983 Active

GB 4065-1983 Fire extinguishing agent—Bromochlorodifluoromethane

Publish Date: 1983-12-22

GB 4399-1984 Replaced

GB 4399-1984 Portable carbon dioxide fire extinguishers

Publish Date: 1984-05-16

GB 4401-1984 Replaced

GB 4401-1984 Portable soda-acid fire extinguishers

Publish Date: 1984-05-16

GB 4396-1984 Replaced

GB 4396-1984 Fire extinguishing agent—carbon dioxide

Publish Date: 1984-05-17

GB 6051-1985 Active

GB 6051-1985 Fire extinguishing agent of bromotrifluoromethane

Publish Date: 1985-06-03

GB/T 5907-1986 Replaced

GB/T 5907-1986 Fundamental terminology of fire protection—Part 1

Publish Date: 1986-03-03