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
