HG/T 20615-2009: Steel pipe flanges (Class designated)

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Basic Data

Standard ID	HG/T 20615-2009 (HG/T20615-2009)
Description (Translated English)	Steel pipe flanges (Class designated)
Sector / Industry	Chemical Industry Standard (Recommended)
Classification of Chinese Standard	J15
Classification of International Standard	23.040.60
Word Count Estimation	180,171
Date of Issue	2009-02-05
Date of Implementation	2009-07-01
Older Standard (superseded by this standard)	HG 20615-1997; HG 20616-1997; HG 20617-1997; HG 20618-1997; HG 20619-1997; HG 20620-1997; HG 20621-1997; HG 20622-1997; HG 20624-1997; HG 20625-1997; HG 20626-1997
Quoted Standard	GB/T 1047; GB 150; GB/T 152.1; GB/T 152.2; GB/T 152.3; GB/T 152.4; GB/T 700; GB/T 711; GB 713; GB/T 3274; GB 3531; GB/T 4237; GB/T 7306.2; GB/T 12228; GB/T 12229; GB/T 12230; GB/T 12716; GB/T 16253; HG/T 20553; HG/T 20627; HG/T 20628; HG/T 20630; HG/T 20631; HG/T 20632; HG/T 20633; HG/T 20634; HG/T 20635; JB 4726; JB 4727; JB 4728; JB/T 4730; JB/T 5263; JB/T 7248
Regulation (derived from)	Engineering [ 2009 ] No. 27
Issuing agency(ies)	Ministry of Industry and Information Technology
Summary	This standard specifies the steel pipe flanges (Class Series) nominal size, nominal pressure, the material, the pressure temperature rating, flange type and size, sealing surfaces, tolerances and markings. This standard applies to nominal Class150 (PN20) to ~ Class2500 (PN420) steel pipe flange and flange cover. Nominal grade flange using Clas said, including the following six levels: Class150, Class300, Class600, Class900, Class1500, Class2500. This standard applies to the nominal size of the pipe and the pipe diameter DN requirements in Table 1. 0. 3. This standard also applies to the use of flange connection form as valves, pumps, chemical machinery, piping accessories and equipment components. This standard does not include special fluid conditions from material selection principles.