在用工业管道定期检验规程(英文版).doc

国家质量监督检验检疫总局
State General Bureau for Quality Supervision,
Inspection and Quarantine
在用工业管道定期检验规程
Regulation for Periodic Inspection of In-service Industrial Piping
Safety Supervision Bureau for Boilers and Pressure Vessels
under
State General Bureau for Quality Supervision, Inspection and Quarantine
Document of State General Bureau for Quality Supervision, Inspection and Quarantine
Guo Zhe Jian Guo [2003] No. 108
Notice on Printing and Issuing the Regulation for Periodic Inspection of In-service industrial piping (for trail)
All quality supervision bureaus of provinces, autonomous regions and municipalities directly under Central Government and all related units,
To intensify the management of safety supervision of pressure vessels and to standardize the periodic inspection of in-service industrial piping, the General Bureau has formulated the Regulation for Periodic Inspection of In-service industrial piping (for trail), which shall be implemented from June 1, 2003. Now it is printed and issued to you and you are kindly requested to implement it earnestly. Any problem in implementing shall be reported to the Safety Supervision Bureau for Boilers and Pressure Vessels under the State General Bureau for Quality Supervision, Inspection and Quarantine.
Annex: Regulation for Periodic Inspection of In-service industrial piping (for trail)
State General Bureau for Quality Supervision, Inspection and Quarantine of the People’s Republic of China (seal)
April 17, 2003
Annex:
Regulation for Periodic Inspection of In-service industrial piping
Chapter 1 General
Article 1 To intensify safety supervision of pressure vessels and to standardize inspection of in-service industrial piping so as to secure safe operation of industrial piping and the safety of people’s life and property, this regulation is worked out in accordance with relevant stipulations in the Regulation for Safety Management and Supervision of Pressure Vessels.
Article 2 This regulation is basic requirements for the inspection of, the evaluation of the class of safety status (For classification, see Appendix I) and handling of defects of the on-line piping. By-laws for the implementation worked out by relevant unit shall meet the requirements in this regulation.
Article 3 This regulation applies to in-service industrial piping and attached facilities within the applicable scope of the Regulation for Safety Management and Supervision of Pressure Vessels, however excluding following piping:
(1) Piping with nominal diameter ≤25mm;
(2) Non-metal piping;
(3) Piping with max. working pressure >42MPa or <0.1MPa.
Article 4 The classification of in-service industrial piping within applicable scope of this regulation is as follows:
(1) Industrial piping meeting any of following conditions is GC1Class:
a. Piping delivering medium with extreme toxicity specified in the national standards in force the Classification for Hazard of Occupational Contact Poisons GB5044,
b. Piping delivering flammable gases of fire hazard of Categories A and B or flammable liquid of Category A specified in the national standards in force the Specification for Fireproof Design of Petrochemical Enterprises GB50160 and the Specifications for Building Fireproofing GBJ16 and the design pressure is ≥4.0MPa;
c. Piping delivering flammable fluid med