HG/T 2144-1991 Glass-lined sight glass HG/T2144-1991 standard download decompression password: www.bzxz.net

Chemical Industry Standard of the People's Republic of China
Glass sight glass
Subject content and scope of application
This standard specifies the type, basic parameters, dimensions, technical requirements, etc. of sight glasses for glass equipment. HG/T 2144-91
This standard is applicable to sight glasses for glass equipment with nominal pressure PN0.6MPa and 1.0MPa, and medium overflow higher than -20C and lower than or equal to 200t.
2 Reference standards
Hexagon socket head set screws
GB97.1 Flat washer drawing A grade
GB3985
GB5780
GB 5782
GB 6170
HGJ501
Hexagonal head bolts, grade C
Hexagonal head bolts, grade A and grade B
Type 1 hexagonal nuts
Sight glass
HG/T 2105
Tang glass equipment
Circular flange
ZB G 94004bzxz.net
Technical conditions for Tang glass equipment
3 Types, basic parameters and dimensions
3.1. For the type, parameters and dimensions of sight glass with PN0.6MPa, see Figure 1 and Table 1 and Table 2. Approved by the Ministry of Chemical Industry of the People's Republic of China on August 19, 1992 and implemented on January 1, 1992
HG/T 2105
HG/r2050
HG 501
GB 3985
GH 57B0
GE 6170
HG/T2144-.91
Huosen flange
Sight glass
Coral cutting
KTH35U-10 or Z.G270-500
Soft material
Xiehua disc glass
Q235-A
Stone rubber sheet
Wind size table
WW.bzSosO.comNominal pressure PN
Nominal diameter
3.2PN 1.0 MPa sight glass type,
HG/T2105
HG/T2050
HG/ T 2144 —91
Table 2 Dimension table
Basic parameters and dimensions 1 See Figure 2 and Table 3,
Table 3 Detailed table
Sight glass
Protective ring
Tempered borosilicate glass
Rirx d
KTH 350-10 or ZG 270-500
Soft material
Reference weight
Shan glass
Part number
Nominal pressure PN
GB3985
GB5782
GB6170
HG/T 2050
Nominal diameter
3.3 Marking example
HG / T 2144 --- 91
Continued Table 3
Q235-A
Asbestos rubber sheet
Material
Table 4 Dimensional table
Glass sight glass, nominal pressure PN is 1.0MPa, nominal diameter DN is t00mm. Marking: sight glass PN1.0DN100HG/T2144914 Technical requirements
4.1 The protection ring shall be selected, manufactured, tested and inspected in accordance with ZBG94004 standard Screws
See size
Reference weight
4.2 The allowable deviation of the chord length of two adjacent bolt (or screw) holes and the diameter of the center of the bolt hole is ±0.6mm, and the allowable deviation of the chord length of any two bolt (or screw) holes shall not exceed ±1mm4.3 After the sight glass is assembled, its water pressure test or air tightness test shall be carried out at the same time as the glass equipment where it is located4.4 The gasket shall comply with the relevant standards, and the specific materials shall comply with the technical requirements of the general drawing of the glass equipment where it is located. 5 Packaging, transportation and storage
5.1 The exposed glass surface shall be wrapped with soft objects, and the packaging shall be firmly fixed. 5.2 It must be forbidden to touch or pull during moving and transportation, and the packaging box shall not be inverted. 5.3 The product shall be accompanied by a packing list, product certificate and product instruction manual. 5.4 The product shall be stored indoors, and outdoor storage or stacking is not allowed. W. Money》
Additional instructions:
This standard is proposed by China National Chemical Equipment Corporation. HG / T 2144 - — 91
This standard was drafted by the National Medical Equipment Standardization Technical Committee of the State Medical Administration Shanghai Medical Design Institute. The main drafters of this standard are Hua Qiu, Fang Yijun, and Chou Aiyuan. The type of sight glass with a N1.0MPa in this standard refers to the standard DN28121-1984 "Sight Glass Equipment" from the date of implementation of this standard, the original chemical industry product standard 115-27-79 "Sight Glass Sight Glass" will be invalid.
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