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Position: Chinese Standard in English/HG/T 21521-2005
HG/T 21521-2005   Welding Neck Flange Manholes with Davit to Vertical Cover (English Version)
Standard No.: HG/T 21521-2005 Status:superseded remind me the status change

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Language:English File Format:PDF
Word Count: 5000 words Price(USD):120.0 remind me the price change

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Implemented on:2006-1-1 Delivery: via email in 1 business day
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Standard No.: HG/T 21521-2005
English Name: Welding Neck Flange Manholes with Davit to Vertical Cover
Chinese Name: 垂直吊盖带颈对焊法兰人孔
Professional Classification: HG    Professional Standard - Chemistry
Issued by: MIIT
Issued on: 2005-7-10
Implemented on: 2006-1-1
Status: superseded
Superseded by:HG/T 21521-2014 Welding neck flange manholes with davit to vertical cover
Superseded on:2014-11-1
Language: English
File Format: PDF
Word Count: 5000 words
Price(USD): 120.0
Delivery: via email in 1 business day
1 Scope This standard specifies the types, basic parameters, dimensions, technical requirements and relevant service requirements of welding neck flange manholes with davit to vertical cover made of carbon steel and low-alloy steel. This standard is applicable to welding neck flange manholes with davit to vertical cover, of which the nominal pressure PN is 2.5~6.3MPa, the working temperature and the corresponding maximum non-impact working pressure are limited within the range specified in Table 3-2 according to material category. 2 Normative References GB/T 41-2000 Hexagon Nuts - Product Grade C GB/T 95-2002 Plain Washers - Product Grade C HG 20595-1997 Steel Pipe Welding Neck Flanges (European System) HG 20601-1997 Steel Pipe Blank Flanges (European System) HG 20606-1997 Nonmetallic Flat Gaskets for Steel Pipe Flanges (European System) HG 20607-1997 PTFE Envelope Gasket for Steel Pipe Flanges (European System) HG 20608-1997 Flexible Graphite Compound Gaskets for Steel Pipe Flanges (European System) HG 20609-1997 Metal Envelope Gaskets for Steel Pipe Flanges (European System) HG 20610-1997 Spiral Wound Gaskets for Steel Pipe Flanges (European System) HG 20613-1997 Fasteners for Steel Pipe Flanges (European System) HG/T 21514-2005 Type and Technical Specifications of Steel Manhole and Handhole 3 Types, Basic Parameters and Dimensions The types, basic parameters and dimensions of manhole are detailed in Figure 3 and Tables 3-1~3-3. Figure 3 Manhole Type Table 3-1 Detail List
1 Scope 2 Normative References 3 Types, Basic Parameters and Dimensions 4 Technical Requirements 5 Marking Examples
Referred in HG/T 21521-2005:
*GB/T 41-2000 Hexagon nuts-Product grade C
*GB/T 95-2002 Plain washers - Product grade C
*HG 20595-1997 Steel pipe welding neck flange
*HG 20601-1997 Steel pipe blank flanges (Europe System)
*HG 20606-1997
*HG 20607-1997
*HG 20608-1997
*HG 20609-1997
*HG 20610-1997
*HG 20613-1997
*HG/T 21514-2005 The type technical conditions of steel manholes and hand holes
HG/T 21521-2005 is referred in:
* HG/T 20583-2011 Specification of structural design for steel chemical vessels
Code of China
Standard
HG/T 21521-2005  Welding Neck Flange Manholes with Davit to Vertical Cover (English Version)
Standard No.HG/T 21521-2005
Statussuperseded
LanguageEnglish
File FormatPDF
Word Count5000 words
Price(USD)120.0
Implemented on2006-1-1
Deliveryvia email in 1 business day
Detail of HG/T 21521-2005
Standard No.
HG/T 21521-2005
English Name
Welding Neck Flange Manholes with Davit to Vertical Cover
Chinese Name
垂直吊盖带颈对焊法兰人孔
Chinese Classification
Professional Classification
HG
ICS Classification
Issued by
MIIT
Issued on
2005-7-10
Implemented on
2006-1-1
Status
superseded
Superseded by
HG/T 21521-2014 Welding neck flange manholes with davit to vertical cover
Superseded on
2014-11-1
Abolished on
Superseding
Language
English
File Format
PDF
Word Count
5000 words
Price(USD)
120.0
Keywords
HG/T 21521-2005, HG 21521-2005, HGT 21521-2005, HG/T21521-2005, HG/T 21521, HG/T21521, HG21521-2005, HG 21521, HG21521, HGT21521-2005, HGT 21521, HGT21521
Introduction of HG/T 21521-2005
1 Scope This standard specifies the types, basic parameters, dimensions, technical requirements and relevant service requirements of welding neck flange manholes with davit to vertical cover made of carbon steel and low-alloy steel. This standard is applicable to welding neck flange manholes with davit to vertical cover, of which the nominal pressure PN is 2.5~6.3MPa, the working temperature and the corresponding maximum non-impact working pressure are limited within the range specified in Table 3-2 according to material category. 2 Normative References GB/T 41-2000 Hexagon Nuts - Product Grade C GB/T 95-2002 Plain Washers - Product Grade C HG 20595-1997 Steel Pipe Welding Neck Flanges (European System) HG 20601-1997 Steel Pipe Blank Flanges (European System) HG 20606-1997 Nonmetallic Flat Gaskets for Steel Pipe Flanges (European System) HG 20607-1997 PTFE Envelope Gasket for Steel Pipe Flanges (European System) HG 20608-1997 Flexible Graphite Compound Gaskets for Steel Pipe Flanges (European System) HG 20609-1997 Metal Envelope Gaskets for Steel Pipe Flanges (European System) HG 20610-1997 Spiral Wound Gaskets for Steel Pipe Flanges (European System) HG 20613-1997 Fasteners for Steel Pipe Flanges (European System) HG/T 21514-2005 Type and Technical Specifications of Steel Manhole and Handhole 3 Types, Basic Parameters and Dimensions The types, basic parameters and dimensions of manhole are detailed in Figure 3 and Tables 3-1~3-3. Figure 3 Manhole Type Table 3-1 Detail List
Contents of HG/T 21521-2005
1 Scope 2 Normative References 3 Types, Basic Parameters and Dimensions 4 Technical Requirements 5 Marking Examples
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Keywords:
HG/T 21521-2005, HG 21521-2005, HGT 21521-2005, HG/T21521-2005, HG/T 21521, HG/T21521, HG21521-2005, HG 21521, HG21521, HGT21521-2005, HGT 21521, HGT21521