GB/T 20910-2007 Replaced National standards

GB/T 20910-2007 Temperature/pressure safety valve for hot water supply system

GB/T 20910-2007 Temperature/pressure safety valve for hot water supply system

Publish Date: 2007-04-18 Implement Date: 2007-01-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 20910-2007

Standard Type: National standards

Standard Status: Replaced

is_force_gb: no

CCS Name: \nValve

ICS Name: Other valves

Publish Date: 2007-04-18

Implement Date: 2007-01-01

Pages: 12 pages

Scope

This standard specifies the terms and definitions, technical requirements, performance, test methods, inspection rules, marking, installation, and maintenance of temperature and pressure safety valves (hereinafter referred to as safety valves) for hot water systems. This standard applies to temperature and pressure safety valves used in pressurized solar water heaters, electric water heaters, heat pump water heaters, gas water heaters, and fuel oil water heaters with a nominal size of DN15 to DN50, a flow channel diameter of not less than 11.1 mm, a set pressure range of 0.1 MPa to 1.1 MPa, and a set temperature of not exceeding 99℃.

Development Information

Word Count: 17 Thousand words Pages: 12 pages

Superseded by the following standards

GB/T 20910-2025 Temperature and pressure safety valve for hot water supply system

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 1239.2-2009 Cold coiled helical springs technical specifications—Part 2:Compressions spring GB/T 1239.6-1992 Design of helical springs 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 12243-2005 Spring loaded safety valves GB/T 12243-2021 Spring loaded safety valves GB/T 17219-1998 Standard for safety evaluation of equipment and protective materials in drinking water system GB/T 17219-2025 Hygienic safety evaluation of distribution equipment,protective materials and treatment materials in drinking water system

Related Standards

GB/T 8464-1998 Replaced

GB/T 8464-1998 Valves with female screw ends for water-heating system

Publish Date: 1998-08-10

GB/T 12244-2006 Replaced

GB/T 12244-2006 General requirements for pressure reducing valves

Publish Date: 2006-12-25

GB/T 12245-2006 Replaced

GB/T 12245-2006 Methods of performance test for pressure reducing valves

Publish Date: 2006-12-25

GB/T 12246-2006 Replaced

GB/T 12246-2006 Pilot operated pressure reducing valves

Publish Date: 2006-12-25

GB/T 21384-2008 Replaced

GB/T 21384-2008 Electric water-heater safety valve

Publish Date: 2008-02-02

GB/T 21386-2008 Active

GB/T 21386-2008 Ratio pressure reducing

Publish Date: 2008-02-02