CJ/T 125-2014
Steel framed polyethylene plastic pipes and fittings for supply of gaseous fuels (English Version)

Standard No.

CJ/T 125-2014

Language

Chinese, Available in English version

Release Date

2014

Published By

Professional Standard - Urban Construction

Latest

CJ/T 125-2014

Replace

CJ/T 125-2000 CJ/T 126-2000

Scope

This standard specifies the terms and definitions of steel-framed polyethylene plastic composite pipes (hereinafter referred to as pipes) and steel-framed polyethylene plastic composite pipe fittings (hereinafter referred to as pipe fittings) for gas use, raw materials, general provisions, requirements, test methods, inspection rules, and markings , packaging, transportation and storage. This standard is applicable to steel skeleton polyethylene plastic composite pipes and fittings for gas use with an operating temperature of -20 ℃ ~ 40 ℃, a maximum working pressure not greater than 1.6 MPa, and a nominal inner diameter of 50 mm ~ 600 mm.

CJ/T 125-2014 Referenced Document

• GB 15558.1-2003 Buried Polyethylene (PE) piping systems for the supply of gaseous fuels-Part 1:Pipes
• GB/T 1033.1 Plastics.Methods for determining density of non-celluar plastics.Part1:Immersion method,liquid pyknometer method and titration method
• GB/T 13021 Calcination and pyrolysis methods for determination of carbon black content of polyolefin pipes and fittings*， 2023-08-06 Update
• GB/T 18251 Method for the assessment of the degree of pigment or carbon black dispersion in polyolefin pipes, fittings and compounds*， 2019-08-30 Update
• GB/T 18475 Thermoplastics materials for pipes and fittings for pressure applications classification and designation--Overall Service(design) coefficient
• GB/T 18476 Polyolefin pipes for the conveyance of fluids—Determination of resistance to crack propagation—Test method for slow crack growth(notch test)*， 2019-08-30 Update
• GB/T 19466.6 Plastics.Differential scanning calorimetry(DSC).Part 6:Determination of oxidation induction time(isothermal OIT) and oxidation induction temperature (dynamic OIT)
• GB/T 228.1 Metallic materials—Tensile testing—Part 1: Method of test at room temperature*， 2021-12-31 Update
• GB/T 2828.1 Inspection procedure by count sampling part 1: Lot by lot inspection sampling plan retrieved by acceptance quality limit (AQL)
• GB/T 2918 Standard environment for conditioning and testing of plastic specimens*， 2019-11-01 Update
• GB/T 3681 Plastics. Methods of exposure to direct weathering,to weathering using glass-filtered daylight,and to intensified weathering by daylight using Fresnel mirrors
• GB/T 3682 Determination of the melt mass-flow rate (MFR) and the melt volume-flow rate (MVR) of thermoplastics
• GB/T 6111 Thermoplastics piping systems for the conveyance of fluids.Determination of the resistance to internal pressure*， 2018-03-15 Update
• GB/T 6671 Thermoplastics pipes-Determination of longitudinal reversion
• GB/T 709 "Dimension,shape,weight and tolerance for hot rolled steel strip,plate and sheet"*， 2019-03-25 Update
• GB/T 8806 Plastics piping systems.Plastics components.Determination of dimensions
• HG/T 3092 Material of rubber seals used for gas supply pipes and fittings
• YB/T 5294 General purpose low carbon steel wire

CJ/T 125-2014 history

• 2014 CJ/T 125-2014 Steel framed polyethylene plastic pipes and fittings for supply of gaseous fuels
• 2001 CJ/T 125-2000 Steel framed polyethylene plastic pipes for the supply of gaseous fuels

CJ/T 125-2014 Steel framed polyethylene plastic pipes and fittings for supply of gaseous fuels has been changed from CJ/T 126-2000 Fittings of steel framed polyethylene plastic pipes for supply of gaseous fuel.