GB/T 2550-2025 Active National standards

GB/T 2550-2025 Gas welding equipment—Rubber hoses for welding,cutting and allied processes

GB/T 2550-2025 Gas welding equipment—Rubber hoses for welding,cutting and allied processes

Publish Date: 2025-08-29 Implement Date: 2026-03-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 2550-2025
Standard Type: National standards
Standard Status: Active
is_force_gb: no
CCS Name: Rubber hoses, adhesive tapes, and rubber cloths
ICS Name: Welding equipment
Publish Date: 2025-08-29
Implement Date: 2026-03-01
Publisher: 国家市场监督管理总局、国家标准化管理委员会
Technical Committee: 全国橡胶与橡胶制品标准化技术委员会(SAC/TC 35)
Pages: 20 pages

Scope

本文件规定了焊接、切割和类似作业用橡胶软管(包括并联软管)的要求。
本文件规定了2.0 MPa的常规型和(限于最大工作压力为1.0 MPa,且内径小于或等于6.3 mm)轻型橡胶软管及乙炔软管(最大工作压力为0.3 MPa)的要求。
本文件适用于工作温度为-20 ℃~+60 ℃,且有如下用途的软管:
———气体焊接和切割;
———在惰性或活性气体保护下的电弧焊接;
———类似焊接和切割的作业,特别是加热、铜焊和金属喷镀。
本文件不适用于热塑性塑料软管,也不适用于高压(>0.3MPa)乙炔软管。

Development Information

Drafting Units:

蓬莱市临阁橡塑制品有限公司、山东悦龙橡塑科技股份有限公司、浙江三孚科技有限公司、漯河利通液压科技股份有限公司、河北九星橡塑制品有限公司、河北润特新材料科技集团有限公司、沈阳橡胶研究设计院有限公司

Drafting Persons:

李亮、郭旭、李浙旺、刘随强、吴炳兰、吴国沄、迟迎训、刘明奇、吴沛源、李东伟、杨鹏、白春显

Word Count: 26 Thousand words Pages: 20 pages

Replace the following standards

Referenced Standards

GB/T 528-1998 Rubber,vulcanized or thermoplastic—Determination of tensile stress-strain properties GB/T 528-2009 Rubber,vulcanized or thermoplastic—Determination of tensile stress-strain properties GB/T 1690-1992 Rubber, vulcanized-Determination of the effect of liquids GB/T 1690-2006 Rubber,vulcanized or thermoplastic—Determination of the effect of liquids GB/T 1690-2010 Rubber,vulcanized or thermoplastic—Determination of the effect of liquids GB/T 2941-2006 Rubber—General procedures for preparing and conditioning test pieces for physical test methods GB/T 2941-2025 Rubber—General procedures for preparing and conditioning test pieces for physical test methods GB/T 3512-2001 Rubber, vulcanized or thermoplastic—Accelerated ageing and heat resistance tests—Air-oven method GB/T 3512-2014 Rubber, vulcanized or thermoplastic—Accelerated ageing and heat resistance tests—Air-oven method GB/T 5563-1994 Rubber and plastics hoses and hose assemblies—Hydrostatic testing GB/T 5563-2006 Rubber and plastics hoses and hose assemblies—Hydrostatic testing GB/T 5563-2013 Rubber and plastics hoses and hose assemblies—Hydrostatic testing GB/T 5563-2025 Rubber and plastics hoses and hose assemblies—Hydrostatic testing GB/T 5565.1-2017 Rubber and plastics hoses and tubing—Measurement of flexibility and stiffness—Part 1:Bending tests at ambient temperatures GB/T 5565.2-2017 Rubber and plastics hoses and tubing—Measurement of flexibility and stiffness—Part 2: Bending tests at sub-ambient temperatures GB/T 7528-2002 Rubber and plastics hoses and hose assemblies—Vocabulary GB/T 7528-2011 Rubber and plastics hoses and hose assemblies—Vocabulary GB/T 7528-2019 Rubber and plastics hoses and hose assemblies—Vocabulary GB/T 9573-2003 Rubber and plastics hose and hose assemblies—Methods of measurement of dimensions GB/T 9573-2013 Rubber and plastics hoses and hose assemblies—Methods of measurement of the dimensions of hoses and the lengths of hose assemblies GB/T 9575-2003 Rubber and plastics hoses for general—Purpose industrial applications-Bore diameters and tolerances,and tolerances on length GB/T 9575-2013 Rubber and plastics hoses—Hose sizes, minimum and maximum inside diameters,and tolerances on cut-to-length hoses GB/T 14905-2020 Rubber and plastics hoses—Determination of adhesion between components GB/T 18422-2001 Rubber and plastics hoses and hose assemblies—Determination of permeability to gas GB/T 18422-2013 Rubber and plastics hoses and hose assemblies—Determination of permeability to gas GB/T 24134-2009 Rubber and plastics hoses—Assessment of ozone resistance under static conditions ISO 11114-3 ISO 15296 GB/T 7528-2025 Rubber and plastics hoses and hose assemblies—Vocabulary

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