CJ/T 494-2016 Active Industry standards-Urban construction

CJ/T 494-2016 Filter threaded adjustable pressure-reducing valve with backflow prevention

Publish Date: 2016-06-14 Implement Date: 2016-12-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: CJ/T 494-2016

Standard Type: Industry standards

Standard Status: Active

is_force_gb: no

CCS Name: Water supply and drainage projects

ICS Name: The comprehensive facilities in the building

Publish Date: 2016-06-14

Implement Date: 2016-12-01

Pages: 16 pages

Scope

This standard specifies the product models and markings, structural types, materials, and main components, requirements, test methods, inspection rules, markings and product manuals, packaging, transportation, and storage of adjustable pressure-reducing valves with filtering and anti-backflow threaded connections for clean water with a nominal pressure not exceeding PN25, a nominal size of DN15 to DN80, and a temperature not exceeding 80°C.
This standard applies to adjustable pressure-reducing valves with filtering and anti-backflow threaded connections for clean water with a nominal pressure not exceeding PN25, a nominal size of DN15 to DN80, and a temperature not exceeding 80°C.

Development Information

Word Count: 26 Thousand words Pages: 16 pages

Referenced Standards

GB/T 1239.2-2009 Cold coiled helical springs technical specifications—Part 2:Compressions spring GB/T 8464-2008 Cast iron and copper valves with screwed connections 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 1048-1990 Nominal pressure for pipe components GB/T 1048-2005 Pipework components—Definition and selection of PN GB/T 1048-2019 Pipework components—Definition and selection of nominal pressure GB/T 1220-1992 Stainless steel bars GB/T 1220-2007 Stainless steel bars GB/T 4238-1992 Heat-resisting steel sheets and plates GB/T 4238-2007 Heat-resisting steel plate,sheet and strip GB/T 4238-2015 Heat-resisting steel plate,sheet and strip GB/T 5231-2001 Wrought copper and copper alloys chemical composition limits and forms of wrought products GB/T 5231-2012 Designation and chemical composition of wrought copper and copper alloys GB/T 5231-2022 Designation and chemical composition of wrought copper and copper alloys 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 7307-2001 Pipe threads with 55 degree thread angle where pressure-tight joints are not made on the threads GB/T 9969-2008 General principles for preparation of instructions for use of industrial products GB 9969.1-1998 General principles for preparation of instructions for use of industrial products 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 17219-1998 Standard for safety evaluation of equipment and protective materials in drinking water system GB/T 18983-2003 Oil-hardened and tempered steel wire for mechanical springs GB/T 18983-2017 Wire for quenched and tempered springs GB/T 20078-2006 Copper and copper alloys—Forgings GB/T 20078-2023 Copper and copper alloys—Forgings GB/T 24588-2009 Stainless steel wires for spring GB/T 24588-2019 Stainless steel spring wires GB/T 21873-2008 Rubber seals—Joint rings for water supply,drainage and sewerage pipelines—Specification for materials JB/T 7928-2014 Industrial Valve Supply Requirements JB/T 7928-1999 JBT 7928-1999 General valve Supply requirements JB/T 308-2004 Valves model designation method GB/T 17219-2025 Hygienic safety evaluation of distribution equipment,protective materials and treatment materials in drinking water system GB/T 21873-2025 Rubber seals—Joint rings for water supply,drainage and sewerage pipelines—Specification for materials

Related Standards

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GB 16895.2-1997 Replaced

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JG/T 195-2007 Abolished

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GB/T 16662-2008 Active

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Publish Date: 2008-09-18