| Standard ID | HG/T 21529-2014 (HG/T21529-2014) |
| Description (Translated English) | Plate flange handholes |
| Sector / Industry | Chemical Industry Industry Standard (Recommended) |
| Classification of Chinese Standard | G91 |
| Classification of International Standard | 11.120.99 |
| Word Count Estimation | 12,181 |
| Date of Issue | 7/9/2014 |
| Date of Implementation | 11/1/2014 |
| Older Standard (superseded by this standard) | HG/T 21529-2005 |
| Quoted Standard | HG/T 20592-2009; HG/T 20606-2009; HG/T 20607-2009; HG/T 20613-2009; HG/T 21514 |
| Issuing agency(ies) | Ministry of Industry and Information Technology of the People's Republic of China |
| Summary | This Standard specifies the type of hand hole plate welded flange, technical conditions and markers. This Standard applies only to the chemical, petrochemical plants and other similar devices nominal pressure steel plate welded flange PN6 the hand hole. |