HG/T 20615-2009 Steel Pipe Flanges (Class Designated) (Text of Document is in English) - Beijing translation compay

1. General
2. Normative References
3. Flange Type and Flange Seal Contact Face
4. Materials
5. Gasket and Bolting for Flange
6. Selection and matching of flange joint
7 Rated pressure - temperature value
8 Dimensions
9 Welded joints and groove dimensions
10. Dimensional Tolerance
11. Test
12. Inspection and Acceptance
13. Designation and Example of Designation
14. Packaging and Steel Seal Signs
Annex A
Annex B
Annex C
Annex D
Annex E
Annex F