Standard No.:	HG/T 21516-2014
English Name:	Plate flange manholes with hinged cover
Chinese Name:	回转盖板式平焊法兰人孔
Chinese Classification:	G91    Chemical machinery and equipment parts
Professional Classification:	HG    Professional Standard - Chemistry
Issued by:	Ministry of Industry and Information Technology
Issued on:	2014-07-09
Implemented on:	2014-11-1
Status:	valid
Superseding:	HG/T 21516-2005 Steel manholes and handholes
Language:	English
File Format:	PDF
Word Count:	2000 words
Price(USD):	284.0
Delivery:	via email in 1 business day

1 General Provisions 1.0.1 This standard is formulated with a view to regulate the design of plate flange manholes with hinged cover, reduce the repetitive design work, ensure the product quality and improve the comprehensive benefits. 1.0.2 This standard is applicable to the design of steel plate flange manholes with hinged cover with nominal pressure of PN6 and for chemical petrochemical plants and other similar devices. 1.0.3 The design of plate flange manholes with hinged cover shall not only comply with those specified in this standard, but also comply with those specified in the current relevant national standards of China.  

Contents 1 General Provisions 2 Type and Size 3 Technical requirements 4 Mark and Examples Normative Standards