This standard specifies the type, basic parameters, dimensions, technical requirements and relevant use regulations of horizontal stainless steel manholes with hanging covers. This standard is applicable to the nominal pressure PN0.6MPa, 1.0MPa, 1.6MPa, 2.5MPa and PN4.0MPa, the working temperature is greater than -20～100℃, and the temperature rise and pressure drop can be applied to the horizontal stainless steel manhole with hanging covers at a working temperature of 300℃. HG 21598-1999 Horizontal stainless steel manhole with hanging covers HG21598-1999 Standard download decompression password: www.bzxz.net

Horizontal stainless steel manhole with hanging cover
HG 21598 -1999
1 Subject content and scope of application
This standard specifies the type, basic parameters, dimensions, technical requirements and relevant use regulations of horizontal stainless steel manhole with hanging cover.
This standard is applicable to the nominal pressure of PNO.6MPa, 1.0MPa, 1.6MPa, 2.5MPa and PN4.0MPa, the working temperature is 20-100C, and the temperature rise and pressure drop can be applied to the horizontal stainless steel manhole with hanging cover at a working temperature of 300℃. 53
HG20602
HG20606
HG20610
HG 20613
GB 5780
GB 6170
HG21594
2 Reference standards
《Stainless steel lined flange cover》
《Asbestos rubber sheet gasket for steel pipe flange》
《Steel pipe flange spiral wound gasket》
《Fasteners for steel pipe flange》
《Type I hexagonal nut - Grade C》
《Flat washer - Grade C》
《Hexagon head bolt - Grade C》
《Equal length stud》
《Type I hexagonal nut - Grade A and B》
《Classification and technical conditions for stainless steel manholes and hand holes》3 Type, basic parameters and dimensions
Standard number
HG 20606
(HG 20610)
HG 20602
GB5780
Flange cover
GB901 bolts, studs
HG20613
GB6170
HG20613
Seamless steel pipe
Support plate
See data sheet
See data sheet
Stainless steel
20R.20 forging (16Mn forging)
Lined with stainless steel
Asbestos rubber sheet (wound gasket)
Stainless steel /20R (16MnR)
4.8 grade, 8.8 grade
35CrMoA
5 grade, 8 grade
30CrMo
Q235-A+F
Q235-A·F
Q235-A·F
Q235-A·F
Q235-A·F
Stainless steel
Note: The materials and standards in brackets D are for nominal pressure PN2.5MPa and PN4.0MPa. ②Part number 15 is used for nominal pressure PN2.5MPa and PN4.0MPa. ③The material of the gasket is allowed to change, but it should be indicated in the container assembly drawing. Maximum non-shock working pressure gauge nominal pressure at working temperature
≥20~100
Maximum non-shock working pressure (MPa)
682828jon
0092610
297999020002
(081X2X8E)
(021X2X00)
(9EXZ)||tt ||298129808012
(02iX2XE8W)
60961007
(091208)
2818151000
2610002
2911818010002
00192#110 0
8611025100
281 82101102 | | tt | 9089 | | tt | | 980888866100302902089 | |tt||19320829089
808828
1888610920290299089
180861082999919
1020020252009
0889610 82009 | | tt | | 610305599080 | 620008
108298
22261002(6125)
8899009
16190900
181569
(092XXSFW)
15621068 21619
80819292230953439
(052XeX68)
001102
180120
921881671
(01zXSX98W)
(012X & |(061X2X88W)
(081XzXe&W)
1568 0989
1019589121227
2911822106302257801079
09908201029
151812
[00120102
Sealing surface type
4 Technical requirements
Technical requirements shall comply with the provisions of HG21594-1999 "Classification and Technical Conditions of Stainless Steel Hand Holes".
5 Horizontal hanging cover stainless steel manhole drawings
1 Bingping hanging cover stainless steel manhole
2 Bingping hanging cover stainless steel manhole
3 Horizontal hanging cover stainless steel manhole
4 Horizontal hanging cover stainless steel manhole
5 Horizontal hanging cover stainless steel manhole
6 Horizontal hanging cover stainless steel manhole
7 Horizontal hanging cover stainless steel manhole
8 Horizontal hanging cover stainless steel manhole
9 Binghu hanging cover stainless steel manhole
Construction drawing number
Number of drawing sheets
Number of sheets fold 1# drawing
RF450--0.6HG 21598-
RF 500-0.6 HG 21598.-1999--
RF 600--0.6
HG21598
RF 450-
1.0 HG 21598-
RF 500--1.0 HG 21598
RF 600-1.01HG 21598--1999--6RF 450-1.6HG 21598 .---1999..-RF 500-
HG 21598
RF600--1.6HG21598
10Horizontal hanging cover stainless steel manhole MFM450-1.0HG21598-999
1999--
11Horizontal hanging cover stainless steel manhole MFM500-1.0HG21598-1999-
12Horizontal hanging cover stainless steel manhole MFM600-1.0HG21598-1999--
13Horizontal hanging cover stainless steel manhole MFM450-
6HG 21598-
14 Horizontal hanging cover stainless steel manhole MFM500-1.6HG21598--1999-1415 Ice flat hanging cover stainless steel manhole MFM600-1.6HG21598-1999--1516 Horizontal hanging cover stainless steel manhole
17 Horizontal hanging cover stainless steel manhole
18 Horizontal hanging cover stainless steel manhole
19 Ice flat hanging cover stainless steel manhole
20 Ice flat hanging cover stainless steel manhole
21 Horizontal hanging cover stainless steel manhole
RF450-2.5HG21598-1999---16
RF500—2.5HG21598--1999-17
RF 600-
-2.5HG21598--1999-18
RF450—4.0HG21598--1999-19
RF 500--4.0HG 21598--1999--20RF 600--
22Horizontal silk cover stainless steel manhole MFM450
23Horizontal hanging cover stainless steel manhole MFM500-HG21598-
HG 21598--1999--22
.5HG21598--1999--23
24Water apple cover stainless steel manhole MFM600-2.5HG21598--1999-2425Horizontal cover stainless steel manhole MFM450-4.0HIG21598--1999--2526Horizontal cover stainless steel manhole MFM500-
0HG21598--1999--26
27 Horizontal hanging cover stainless steel manhole MFM600-4.0HG21598-1999--272
6 Marking example
Nominal pressure PN1.6MPa, nominal diameter DN450.H,240, sealing surface type is concave and convex surface horizontal hanging cover stainless steel manhole, the specified marking symbol is: manhole MFM450-1.6HG21598bZxz.net
H2320 (non-standard push size) The above example manhole, its specified marking symbol is: manhole MFM 450--1.6 H,=320 HG 2159862
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