CJ/T 262-2007 (English Version) PDF

Scope: This standard specifies the terms and definitions, structural types, product models, requirements, inspection methods, inspection rules and markings, packaging, transportation and storage of directly buried gate valves for water supply and drainage (hereinafter referred to as gate valves). This standard applies to water supply and drainage valve gates with nominal dimensions DN50 to DN600, nominal pressures PN10 to PN25, made of ductile iron, and directly buried underneath.

CJ/T 262-2007 Referenced Document

GB 4208-1993 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 12220 Industrial valves.Marking*， 2015-05-15 Update
GB/T 12221 Metal valves-Face to face,end to end,center to face and center to end dimensions
GB/T 12225 General purpose industrial valves.Specification of copper alloy castings*， 2018-05-14 Update
GB/T 12227 General purpose industrial valves.Specification of spheroidal graphite iron castings
GB/T 13295-2003 Ductile iron pipes,fittings and accessories for water or gas applications
GB/T 13912 Metallic coatings—Hot dip galvanized coatings on fabricated iron and steel articles—Specifications and test methods*， 2020-06-02 Update
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 17241.7 Specifications for cast iron pipe flanges
GB/T 4956 Non-magnetic coatings on magnetic substrates--Measurement of coating thickness-Magnetic method
GB/T 699 Quality carbon structure steels*， 2015-12-10 Update
JB/T 308 Valves model designation method