This standard specifies the type, basic parameters, dimensions, technical requirements and relevant use regulations of normal pressure quick opening stainless steel hand holes. This standard is applicable to normal pressure hand holes with a non-impact working pressure less than or equal to PN0.07MPa and a working temperature of 0 to 100°C. HG 21601-1999 Normal pressure quick opening stainless steel hand holes HG21601-1999 Standard download decompression password: www.bzxz.net

Normal pressure quick opening stainless steel hand hole
HG 21601--- 1999
1 Subject content and scope of application
This standard specifies the type, basic parameters, dimensions, technical requirements and relevant use regulations of normal pressure quick opening stainless steel hand holes.
This standard is applicable to normal pressure hand holes with a non-impact working pressure less than or equal to PN0.07MPa and a working temperature of 0100℃.
HG21594
Referenced standards
"Flat washers, grade C"
"Split pins"
"Pin with holes"
"Classification and technical conditions for stainless steel manholes and hand holes" 9
Type, basic parameters and dimensions
Standard number
Name and title
Pin 14×45
Gasket 8=4
Joint bolt M16
Pin 16×85
Pin 4×24
Note: ①The material of the gasket is allowed to change, but it should be indicated in the container assembly drawing. Material
Stainless steel
Q235-A·F
Rubber sheet (smooth surface)
Stainless steel
Q235-A*F
Q235-A
Q235—A
Q235-AF
Q235--A·FbzxZ.net
Low carbon steel
Maximum non-impact working pressure capsule nominal pressure at working temperature
Working temperature (℃)
Max High non-impact working pressure (MPa)
Mass (kg)
Total mass of carbon steel and stainless steel
17526581051062251002214.5
159×4
273×5292382101621652471202214.53
Note: Height of hand hole H: The size can be changed, but the changed H size should be indicated and the stainless steel mass and total mass of the hand hole should be modified.
Technical requirements
Technical requirements are in accordance with the provisions of HG21594-1999 "Classification and Technical Conditions of Stainless Steel Hand Holes".
5Normal pressure quick opening stainless steel hand hole drawing diary
Normal pressure quick opening stainless steel hand hole
Normal pressure quick opening stainless steel hand hole
Construction drawing number
HG21601-—1999
HG 21601 --1999--2
Number of drawing sheets
Number of sheets!
Fold 1# drawing
6Marking example
Normal pressure quick opening stainless steel hand hole with nominal diameter DN150, H,-100, its specified marking symbol is:
DN 150 HG 21601
H,-180 (non-standard size) The specified marking symbol of the above example hand hole is: hand hole
DN150H180HG21601
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