GB/T 12552-1990
Replaced
GB/T 20910-2025
Active
National standards
GB/T 20910-2025 Temperature and pressure safety valve for hot water supply system
GB/T 20910-2025 Temperature and pressure safety valve for hot water supply system
Basic Information
Standard Code:
GB/T 20910-2025
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
\nValve
ICS Name:
Overvoltage protection
Publish Date:
2025-10-31
Implement Date:
2026-05-01
Publisher:
国家市场监督管理总局、国家标准化管理委员会
Technical Committee:
全国安全泄压装置标准化技术委员会(SAC/TC 503)
Pages:
16 pages
Scope
本文件规定了热水系统温度压力安全阀的技术要求、试验方法、检验规则、标志、安装和维护以及包装和贮运。
本文件适用于公称尺寸DN15～DN50，流道直径不小于11.1 mm，整定压力范围0.1 MPa～1.1 MPa，整定温度不超过99 ℃的太阳能热水器、电热水器、热泵热水器、燃气热水器、燃油热水器等承压式热水系统用温度压力安全阀。
Development Information
Drafting Units:
浙江艾默樱智能科技有限公司、合肥通用机电产品检测院有限公司、安徽省特种设备协会、中国船舶集团有限公司第七一九研究所、天正阀门有限公司、浙江华益精密机械有限公司、浙江富羽阀门制造有限公司、中百阀门有限公司、立特阀门科技有限公司
Drafting Persons:
陈雪峰、李党凯、冯玉林、胡为祖、侯英哲、张俊策、姚海峰、罗国炎、池岳福、谢正本
Replace the following standards
Referenced Standards
GB/T 1047-1995 Nominal size for pipe components
GB/T 1047-2005 Pipework components—Definition and selection of DN (nominal size)
GB/T 1047-2019 Pipework components—Definition and selection of nominal size
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 12225-1989 General purpose industrial valves—Specification of copper alloy castings
GB/T 12225-2005 General purpose industrial valves—Specification of copper alloy castings
GB/T 12225-2018 General purpose industrial valves—Specification of copper alloy castings
GB/T 12230-1989 General purpose industrial valves—Specification of austenitic steel castings
GB/T 12230-2005 General purpose industrial valves—Specification of stainless steel castings
GB/T 12230-2023 General purpose industrial valves—Specification of stainless steel castings
GB/T 12243-2005 Spring loaded safety valves
GB/T 12243-2021 Spring loaded safety valves
GB/T 23935-2009 Design of cylindrical helical springs
GB/T 29528-2013 Specification of copper alloy forgings for valves
Related Standards
GB 567-1999
Replaced
GB 567-1999 Bursting discs and bursting disc devices
GB/T 12353-1999
Replaced
GB/T 12353-1999 Classification and mounting dimensions for domed metal bursting disc devices
GB/T 12241-2005
Replaced
GB/T 12241-2005 Safety valves—General requirements
GB/T 12242-2005
Replaced
GB/T 12242-2005 Performance test code—Pressure relief devices
GB/T 567.1-2012
Active