GB 4452-2011 (English Version) PDF

Standard No.: GB 4452-2011
Language: Chinese, Available in English version
Release Date: 2011
Published By: General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Latest: GB 4452-2011
Replace: GB 4452-1996 GB 4453-1984

Scope: This standard specifies the terms and definitions, product classification, technical requirements, test methods, inspection rules, signs and packaging of outdoor fire hydrants. This standard applies to all kinds of outdoor fire hydrants (hereinafter referred to as fire hydrants) and their accessories in fire water supply pipelines.

GB 4452-2011 Referenced Document

GB 12514.1 Fire coupling.Part 1:General technical conditions for fire coupling
GB 12514.2 Fire coupling.Part 2: Patterns and basic parameters for fire snap-types coupling
GB/T 1173 Casting aluminum alloy*， 2013-09-18 Update
GB/T 1176 Casting copper and copper alloys*， 2013-09-18 Update
GB/T 1348 Spheroidal graphite iron castings*， 2019-12-31 Update
GB/T 1804 General tolerances Tolerances for linear and angular dimensions without individual tolerance indications
GB/T 197 General purpose metric screw threads—Tolerances*， 2018-03-15 Update
GB/T 230.1 Metallic materials.Rockwell hardness test.Part 1:Test method*， 2018-05-14 Update
GB/T 699 Quality carbon structure steels*， 2015-12-10 Update
GB/T 7307 Pipe threads with 55 degree thread angle where pressure-tight joints are not made on the threads
GB/T 9439 Gray cast iron parts*， 2023-09-07 Update

GB 4452-2011 Outdoor fire hydrant has been changed from GB 4453-1984 Hydrant connector.