HG/T 2130-1991 Glass-lined pipe HG/T2130-1991 standard download decompression password: www.bzxz.net

Chemical Industry Standard of the People's Republic of ChinawwW.bzxz.Net
1 Subject content and scope of application
This standard specifies the type, basic parameters, dimensions and technical requirements of glass tubes. HG/T2130-
This standard applies to glass tubes with a nominal pressure (PN) equal to or less than 1.0MPa, medium temperature: A-type tube is -20°C to 200°C, B-type and C-type tubes are -10°C to 200°C. 2 Reference standards
GB·1804 Tolerances and fits Limit deviations of dimensions without tolerances Hexagonal head bolts Grade C
GB5780
GB5782
Hexagonal head bolts A and B Grade
GB6170
Type 1 hexagonal nut Grade A and B
GB9439
Gray cast iron parts
Seamless steel pipe
Technical conditions for glass equipment
ZBG94004
HG/T2105
Loop-type flange
Glass equipment
Types, basic parameters and dimensions
3.1 Steel glass tubes (Type A) connected by slip-on flanges shall be in accordance with the provisions of Figure 1,
Table 1 and Table 2
Figure 1 Type A
*PN and DN in this standard represent nominal pressure and nominal diameter respectively. Approved by the Ministry of Chemical Industry of the People's Republic of China on August 19, 1991, standard screen changer aebzsoo
implemented on January 1, 1992
108×4
133×4
219×6
273×8
①L size series see Table 2
HG/T2130-91
PN-0.6MPa
S in the figure and table refers to the front wall of the glass. PN--1.0MPa
Reference weight of A-type pond glass tube
Tube specifications
11.8/13.2
11.3/11.9/18.1/19.5
.6|21.3/22.7
10.0/10.6
513.0/13.
914.7 / 15.3|24.47 25.8
11.3/11.9
12. 5/ 13. 1 | | tt | | 16.4/17.027.6/29.0 | ||16.3/16.9/21.5/221
13.8/14.2/17.6/18.223.
14.8/15.2
30.7/ 32. 1
33.9/35. 3
1370/38
2/23.840.2/41.6
433447
15.9/ 16.320.2/ 20.826.6/27. 2246.5/47.9
16.9/17.321
/22.02 8.3/28.949.6/51.0
18. 0 / 18.4|22.7/ 23.330.3/ 30.652.8/ 54.231.1/323
55.9/57.3
33.4/34.059.1/60.5
Standard technical press network bascmmm
16.3/18.3
21.5/23.5
26.7/28.7
32.2/3 4.0 | | tt | | 37.2/39.2 | 75.9 | | tt | | 79.1181.1 | 02.0
35.1/35.7||tt ||36.8/37.4
65.4/66.8105:2/107.2
38.5/39.168.5/69.9110.4/122.4136.6/138.6
162.7/164.7
Note: The numerator in the table indicates the nominal pressure of 0.6MPa, and the denominator indicates the weight of the A-type tube with a nominal pressure of 1.0MPa. 3.2 Cast iron pond glass tube (type B) connected by slip-on flange shall be in accordance with the provisions of Figure 2 and Table 3. Table 4
Figure 2 Type B
PN/MP3
①L size series see Table 4
State and S in the table refers to the glass front wall ratio. Daxs
106×9
158×10
214×11
262×12
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Pipe specifications
HG/T2130-91
Table 4 Reference weight of type B sugar glass tube
3.3 Iron glass tube (type C) connected by cast iron flange shall comply with the provisions of Figure 3 and Tables 5 and 6.
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PN/MPa
Note: ① See Table 6 for L size series.
106×9
158×10
214×11
262×12
HG/T2130-91
Figure 3. Type C
The S in the figure and the table refers to the front wall thickness D of the pond glass,
Table 6 Reference weight of type C pond glass tube
Tube specifications
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Pipe Specifications
3.4·Marking Example
HG/T2130-91
A-type sugar glass tube PN is 0.6MPa, DN is 50mm Marking: Tube PN0.6DN.50-AHG/T2130-914 Technical Requirements
4.1 Material selection, manufacturing, testing and acceptance shall be carried out in accordance with ZBG94004 and this standard. 4.2 The steel pipe in the A-type pipe shall be manufactured, accepted and inspected in accordance with the requirements of YB231. 4.3 Manufacturing Tolerance and Allowable Deviation
4.3.1 The materials of B-type and C-type pipes shall be in accordance with the relevant provisions of GB9439150
4.3.2 The allowable deviation of the center circle diameter of the bolt hole and the chord length of two adjacent bolt holes on the C-type pipe flange is ±0.6mm, and the allowable deviation of the chord length of any two bolt holes is ±1mm.
4.3.3~The tolerance grade of the un-indicated tolerance dimension of the machined surface shall be IT14 as specified in GB1804, and the tolerance grade of the un-indicated tolerance dimension of the non-machined surface shall be IT16.
The allowable deviation of the pipe length L shall be as specified in Table 7, 4.3.4
Length range, L
120~300
4.4The slip-on flange for type A and type B pipes shall be selected in accordance with HG/T2105. 6.
300~1000
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HG/T2130-91
45 When the PN of the bolts for flange connection is greater than 0.6MPa and less than or equal to 1.0MPa, it shall be in accordance with the provisions of GB5782: when the PN is less than or equal to 0.6MPa, it shall be in accordance with the provisions of GB5780. The nuts shall be in accordance with the provisions of GB6170, and the gaskets shall be selected in accordance with the relevant standards. 4.6 The water pressure test pressure in the pipe and the maximum working pressure at different temperatures shall be selected in accordance with Table 8 Table 8
5 Packaging, transportation and extended storage
Test pressure
5.1 The product shall be accompanied by a packing list, product certificate and product instruction manual. 5.2 No collision shall be allowed during moving and transportation,
5.3 The glass surface of the external pond shall be sealed with soft gaskets and blind plates 5.4 Products should be stored indoors. Open-air storage or stacking is not allowed. Additional notes:
This standard is proposed by China National Chemical Equipment Corporation. This standard is under the jurisdiction of the National Standardization Technical Committee for Glass Equipment. This standard was drafted by the Shanghai Pharmaceutical Design Institute of the State Drug Administration. The main drafters of this standard are Li Yijun, Hua Qiuyuan and Bao Aiyuan. MPa
The maximum working pressure P under the following temperature changes
This standard A-type pipe refers to the German national standard DIN2873-1982 "Steel glass flange pipes and fittings with nominal pressures of 10 bar and 16 bar".
From the date of implementation of this standard, the former Ministry of Chemical Industry of the People's Republic of China standard HG5-254-79 "Glass side pipe" will be invalid
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