This standard specifies the type, basic parameters, dimensions, technical requirements and relevant use regulations of the stainless steel manhole of the revolving cover. This standard is applicable to the nominal pressure PNO.6MPa, 1.0MPa, 1.6MPa, 2.5MPa and 4.0MPa, the working temperature is greater than -20~100℃, and the temperature rise and pressure drop can be applied to the stainless steel manhole of the revolving cover with a working temperature of 300℃. HG 21596-1999 Stainless steel manhole of revolving cover HG21596-1999 Standard download decompression password: www.bzxz.net

Stainless steel manhole for revolving cover
HG 21596-1999
1 Subject content and scope of application
This standard specifies the type, basic parameters, dimensions, technical requirements and relevant use regulations of stainless steel manhole for revolving cover. This standard is applicable to the nominal pressure PN0.6MPa1.0MPa, 1.6MPa, 2.5MPa and 4.0MPa, the working temperature is ≥一2Q~100℃, and the temperature rise and pressure drop can be applied to the stainless steel manhole for revolving cover with a working temperature of 300℃
HG20602
HG20606
HG 20610bzxZ.net
HG20613
GB 5780
GB 6170
HG21594
standard
《Stainless steel lined flange cover》
《Non-metallic flat gaskets for steel pipe flanges》
《Steel pipe flange spiral wound gaskets》
《Fasteners for steel pipe flanges》
《Split pins》
《Flat washers - Grade C》
《Hexagonal bolts - Grade C》
《Type I hexagonal nuts - Grade A and B》
《Type I Hexagon Nut - Grade C》
《Equal Length Studs》
《Classification and Technical Requirements for Stainless Steel Manholes and Handholes》5
Type, Basic Parameters and Dimensions
Standard No.
GB5780GB901
HG20613
GB6170
HG20613
HG20606||tt| |(HG20610)
HG20592
Bolts, studs
Flange cover
Cover lug (1)
See data sheet
Flange lug (1)
Flange lug (2)
Cover lug (2)
Stainless steel
Grade 48, Grade 8.8
35CrMoA
Grade 5, Grade 8||t t||30CrMo
20R.2016Mm forging) lining
stainless steel
asbestos rubber sheet (metal spiral wound gasket)
stainless steel/20R (16MnR)
Q235--AF
Q235--A
low carbon steel
Q235--AF
Q235---AF
Q235--A - F
Q235--A- F
stainless steel
Note: The materials and standards in brackets D are for nominal pressure IN2.5MPa and IN4.0MPa. 2 Part No. 15 is used for nominal pressure PN2.5MPa and PN4.0MFa③The material of the gasket is allowed to change, but it should be indicated in the container assembly drawing. 33
Nominal pressure
Maximum non-shock working pressure at working temperature
20-100
Maximum non-shock working pressure (MPa)
22812080608138800636082169080000051012008889009
200260120812109200802009992808900%
(0122010809808
11122688808332793 20829009 | | tt | | 28112888521589299 | | tt | | 22160110002 | 0020912082100068008000680592808936118809322108288080
18110100100
12811022 88880989230202210821905
32110228802925829209
1812601000
831182001/02 02
80123189191
0008212909||t t||0222228002018000569
()(edw)
Sealing surface type
-- r --- -
6029287902022807002011822280803260962082619090828
10299221619000
2216889220
06808801900200
0820 20981
120 81202606128881003290221280090290102Os
98928262816
6891989260980
2802608000716219290003802902119090880||tt| |9891088809900081
188006108881222900002209102
892 081083 0006081288012 62110921601411053318
4·Technical requirements
Technical requirements shall be in accordance with the provisions of HG21594--1999 "Classification and Technical Requirements for Stainless Steel Manholes and Handholes".
5 Rotating cover stainless steel manhole drawings monthly record
Rotating cover stainless steel manhole
2 Rotating cover stainless steel manhole
3 Rotating cover stainless steel manhole
4 Rotating cover stainless steel manhole
5 Rotating cover stainless steel manhole
6 Rotating cover stainless steel manhole
Cabinet rotary cover stainless steel manhole
8 Rotating cover stainless steel manhole
9 Rotating cover stainless steel manhole
Construction drawing number
RF 450-—0.6HG21596-1999--1
RF 500--0.6HG 21596-1999-2
RF600--0.6HG21596-1999-
RF 450-1.0HG 21596--1999-
RF500---1.0HG21596---1999--5RF 600-1.0 HG 21596-1999--6
RF450-1.6HG21596
RF 500--1.6HG 21596-
RF 600--1.6HG 21596
10Swivel cover stainless steel manholeMFM450-1.0HG2159611Swivel cover stainless steel manhole
12Swivel cover stainless steel manhole
-1.0HG21596
MFM 500-
MFM 600---
.0HG21596
13Swing cover stainless steel manholeMFM450-1.6HG2159614Swing cover stainless steel manhole
MFM 500-1.6HG21596
MFM 600-1.6HG 21596
15Swing cover stainless steel manhole
16Swing cover stainless steel manhole
17Swing cover stainless steel manhole
18Swing cover stainless steel manhole
19Swing cover stainless steel manhole
20Swing cover stainless steel manhole
21Swing cover stainless steel manhole
RF450--2.5HG21596
RF 500--2.5HG21596
Number of sheets
Number of sheets folded 1# chart
1999-10
199914
1999-16
1999-17
—1999--·18
RF 600-2.5HG 21596
RF450—4.0FIG21596
5-1999-19
-1999-20
RF500-4.0HG21596
RF600-4.0HG21596-
—1999-21
22Swing cover stainless steel manhole MFM450-2.5HG21596-1999-22MFM500--2.5HG21596
23Swing cover stainless steel manhole
1999-23
MFM600-2.5HG21596-1999--24
24Swing cover stainless steel manhole
25Swing cover stainless steel manhole MFM450-4.0HG2159626Swing cover stainless steel manhole MF M500-4.0HG215961999-
1999-26
27-turn stainless steel manhole MFM600-4.0HG21596-1999--2738
Marking example
Nominal pressure PN0.6MPa, nominal diameter DN450, H1-220, raised face sealing surface type rotary cover stainless steel manhole, the specified marking symbol is: Manhole RF450-0.6HG21596
H=180 (non-standard size) The above example manhole, the specified marking symbol is: Manhole RF 450-0.6 H 180 HG 2159639
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