Standard No.:	CJ/T 125-2000
English Name:	Steel framed polyethylene plastic pipes for the supply of gaseous fuels
Chinese Name:	燃气用钢骨架聚乙烯塑料复合管
Chinese Classification:	Q82    Air supply instrument and equipment
Professional Classification:	CJ    Professional Standard - Urban Construction
ICS Classification:	91.140.40 91.140.40    Gas supply systems 91.140.40
Issued by:	MOHURD
Issued on:	2001-1-4
Implemented on:	2001-6-1
Status:	superseded
Superseded by:	CJ/T 125-2014 Steel framed polyethylene plastic pipes and fittings for supply of gaseous fuels
Superseded on:	2015-2-1
Language:	English
File Format:	PDF
Word Count:	4000 words
Price(USD):	100.0
Delivery:	via email in 1 business day

1. Scope This standard specifies the material, product classification, requirements, test method, inspection rules, marking, packaging, transportation and storage of steel framed polyethylene plastic pipe (hereinafter referred to as composite pipe) molded by extruding polyethylene (medium density or high density) thermoplastic resin and the mesh reinforcement frame which is molded by continuous wrapping and welding. This standard is applicable to the buried composite pipes for the supply of gaseous fuels to towns (the transmission medium temperature in composite pipe is -20℃~40℃). 2. Normative References The following normative documents contain provisions which, through reference in this text, constitute provisions of this standard. At time of publication, the editions indicated were valid. All standards are subject to revision, and all parties coming to an agreement according to this standard are encouraged to study whether the latest editions of the normative documents are applicable. GB/T 343-1994 Low Carbon Steel Wire for General Uses GB/T 1033-1986 Test Method for Density and Relative Density of Plastics GB/T 2828-1987 Sampling Procedures and Tables for Lot-by-lot Inspection by Attributes (Apply to Inspection of Successive Lots or Batches) GB/T 2918-1998 Plastics-Standard Atmospheres for Conditioning and Testing (idt ISO 291: 1997) GB/T 3681-1983 Test Methods for Plastics Exposure in Natural Climate GB/T 3682-1983 Test Method for the Melt Flow Rate of Thermoplastics GB/T 6111-1985 Standard Test Method for Time-to-failure of Thermoplastic Pipe under Constant Internal Pressure GB/T 6671.2-1986 Polyethylene (PE) Pipes - Determination of Longitudinal Reversion (idt ISO 2506: 1981) GB/T 8805-1988 Determination of Deflection for Rigid Plastic Pipes GB/T 8806-1988 Method for Dimension Measuring of Plastic Pipes (eqv ISO 3126: 1974) GB/T 13021-1991 Determination for the Carbon Black Content of Polyethylene Pipes and Fittings by Calcination and Pyrolysis GB 15558.1-1995 Buried Polyethylene (PE) Pipes for the Supply of Gaseous Fuels

Foreword I 1. Scope 2. Normative References 3. Term 4. Material 5. Product Classification 6. Requirements 7. Test Method 8. Inspection Rules 9. Marking, Packaging, Transportation and Storage Appendix A (Normative) Pipe Joint