Standard No.:	HG/T 21517-2014
English Name:	Slip on Flange Manholes with Hinged Cover
Chinese Name:	回转盖带颈平焊法兰人孔
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 21517-2005 Rotary cover with neck flat welding flange manhole
Language:	English
File Format:	PDF
Word Count:	3000 words
Price(USD):	334.00
Delivery:	via email in 1 business day

1 General Provisions



1.0.1 This standard is prepared in order to regulate the design of slip on flange manholes with hinged cover, reduce repetitive design works, ensure product quality and improve comprehensive benefits.

1.0.2 This standard is applicable to the design of slip on flange manholes with hinged cover made of steel with nominal pressure of PN10~PN16.

1.0.3 The design of slip on 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 ones of the nation.



2 Type and Size



2.0.1 The structural type of slip on flange manholes with hinged cover shall meet those specified in Figure 2.0.1.

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