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1、1ELECTRIC POWER TRADE STANDARD OF THE PEOPLES REPUBLIC OF CHINATHE CODE OF ERECTION AND ACCEPTANCE FOR ELECTRIC POWER CONSTRUCTION PIPING SECTIONDL 5031-94Chief Editorial Department: Construction Cooperating Department of the Ministry of Power Industry Approved Department: The Ministry of Power Indu
2、stry of P.R.C1994 Beijing2NoteThis book is the English translation of The Code of Erection and Acceptance for Electric Power Construction Piping section DL 5031-94 In the event of any inconsistency between the Chinese-language text of the Code and the present English-language text of the Code, the C
3、hinese-language text shall be taken as ruling.1The Ministry of Power Industry of the Peoples Republic of ChinaThe Notification of Issuing the Electric Power Trade Standard The Code of Erection and Acceptance for Electric Power Construction (Piping section)Electric Power Technology 1994 No.208All ele
4、ctric power administrations, all electric power bureau, electric power planning institutes, and electric power construction institutes of provinces (municipalities directly under the Central Government, autonomous regions) and Water and Electric Power Press:For adapting the development of electric p
5、ower industrial technology and insuring the erection quality of pipes of thermal Power plant, the Code of Erection and Acceptance for Electric Power Construction (piping section) DJ 56-79 issued in 1979 had been revised by the ministry. The new code should be looked upon as electric power trade stan
6、dard and the code number is DL 5031-94. The standard is approved and issued now and will be go into effect from Oct.!, 1994 and the older version should be abolished at the same time. Any question in the performing should be notified the Construction Cooperating Department of the ministry please.Apr
7、. 9,19942Contents 1.0General rules.4 2.0Glossary.6 3.0Checking of pipes, pipe fittings, pipe accessories and valves.6 3.1General regulations.6 3.2Checking of pies.6 3.3Checking of pipe fittings.7 3.4 Checking of pipe accessories.7 3.5 Checking of valves.7 4.0 Preparation of pipes, pipe fittings and
8、pipe accessories.8 4.1 General regulations.8 4.2Elbow pipe.8 4.3 Processing of reel pipes, pipe fittings and pipe accessories .9 4.4 Processing of supporting and suspending bracket.11 5.0 Installation of pipes .12 5.1 General regulations.12 5.2 I Installation of high pressure pipe.14 5.3 Installation of medium and low pressure pipe.15 5.4Installation of water drainage pipe.15 5.5Installation of valve and flange.15 5.6 Installation of s
