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DL 647-2004

Chinese Standard: 'DL 647-2004'
Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusRelated Standard
DL 647-2004English2089 Add to Cart Days<=13 Inspection code for boiler and pressure vessel in thermal power plant Valid DL 647-2004

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Detail Information of DL 647-2004; DL647-2004
Description (Translated English): Inspection code for boiler and pressure vessel in thermal power plant
Sector / Industry: Electricity & Power Industry Standard
Classification of Chinese Standard: F25
Classification of International Standard: 27.100
Word Count Estimation: 87,000
Date of Issue: 9/3/2004
Date of Implementation: 2004-06-01
Older Standard (superseded by this standard): DL 647-1998
Quoted Standard: GB 150; GB 151; GB/T 12145; GB 50205; DL/T 441; DL/T 515; DL/T 561; DL 612; DL/T 616; DL/T 677; DL/T 794; DL/T 820; DL/T 821; DL/T 869; DL 5031-1994; DL/T 5054; DL/T 5190.5; JB/T 1609; SDJJ 03-1988
Drafting Organization: State Power Corporation of East China Company
Administrative Organization: Electric power industry Boiler and Pressure Vessel Safety Supervision and Administration Commission
Regulation (derived from): National Development and Reform Commission Notice 2004 No. 16
Summary: This standard specifies the power station boilers, pressure vessels and heat system in the main steam piping equipment manufacturing, installation, in-service inspection of the three stages of the content and the corresponding requirements. This standard applies to the rated pressure equal to or greater than 3. 8MPa steam generating boilers, power plants and heating system pressure vessel and the main steam piping. Rated steam pressure less than 3. 8MPa power plant boilers, pressure vessels and thermal system can refer to the main steam piping executed. This standard applies to the following parts of the inspection scope: a) boiler pressure parts, components and their connections, b) within the boiler pipes, c) boiler safety devices and instrumentation, d) boiler main load-bearing structure, e) High and low-pressure heaters, deaerator pressure, and other types of expansion thermal system pressure vessel, f) main steam pipe, high temperature and low temperature reheat steam pipe, the main water supply pipes, high pressure and low pressure pipeline bypass pipelines.

Related standard:   DL/T 612-2017  DL/T 636-2017
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