CJ/T 481-2016
General specifications of ductile iron valves for water supply (English Version)

Standard No.

CJ/T 481-2016

Language

Chinese, Available in English version

Release Date

2016

Published By

Professional Standard - Urban Construction

Latest

CJ/T 481-2016

Replace

CJ/T 3049-1995

Scope

This standard specifies the classification, requirements, marking, packaging, transportation and storage of iron valves for urban water supply. This standard is applicable to iron valves for urban water supply with nominal pressures of PN2.5~PN25 and medium temperatures not exceeding 80°C.

CJ/T 481-2016 Referenced Document

• GB 26640 Specification for minimal thickness of the shell of valves
• GB 4208 Degrees of protection provided by enclosure(IP code)
• GB/T 1047 Pipework components—Definition and selection of nominal size*， 2019-03-25 Update
• GB/T 1048 Pipework components—Definition and selection of nominal pressure*， 2019-05-10 Update
• GB/T 1220 Stainless steel bars
• GB/T 12220 Industrial valves.Marking
• GB/T 12221 Metal valves-Face to face,end to end,center to face and center to end dimensions
• GB/T 12222 Connection of multi-turn valve actuators*， 2023-03-17 Update
• GB/T 12223 Connections for part-turn valve actuators*， 2023-05-23 Update
• GB/T 12227 General purpose industrial valves.Specification of spheroidal graphite iron castings
• GB/T 13295 Amendment No. 1 for ductile iron pipes, fittings and accessories for water and gas
• GB/T 13927 Industrial valves—Pressure testing*， 2022-12-30 Update
• GB/T 17219 Standard for safety evaluation of equipment and protective materials in drinking water system
• GB/T 17241.6 Integral cast iron flanges
• GB/T 17241.7 Specifications for cast iron pipe flanges
• GB/T 20878 Stainless and heat resisting steels—Designation and chemical composition
• GB/T 21873 Rubber seals.Joint rings for water supply,drainage and sewerage pipelines.Specification for materials
• GB/T 24923 Technical specifications of basic version electric valve actuators
• GB/T 6739 Paints and varnishes—Determination of film hardness by pencil test*， 2022-12-30 Update
• GB/T 8923.1-2011 Preparation of steel substrates before application of paints and related products.Visual assessment of surface cleanliness.Part 1:Rust grades and preparation grades of uncoated steel substrates and of steel substrates after overall removal of previous coa
• GB/T 9286 Paints and varnishes—Cross-cut test*， 2021-08-20 Update
• JB/T 7928 Industrial valves.Delivery specification
• JB/T 8864 Valve pneumatic device technical conditions*， 2018-04-30 Update

CJ/T 481-2016 history

• 2016 CJ/T 481-2016 General specifications of ductile iron valves for water supply
• 1995 CJ/T 3049-1995 General specifications of iron valves for urban water supply

CJ/T 481-2016 General specifications of ductile iron valves for water supply has been changed from CJ/T 3049-1995 General specifications of iron valves for urban water supply.