HG/T 2145.3-1991 Glass-lined handhole quick-opening handhole HG/T2145.3-1991 standard download decompression password: www.bzxz.net

Chemical Industry Standard of the People's Republic of China
Glass Handhole
Topic Content and Scope of Application
Quick Opening Handhole
HG/T 2145.3-91
This standard specifies the type, basic parameters and dimensions, technical requirements, etc. of quick opening handholes for glass carrying equipment. This standard is applicable to quick opening handholes for glass with a nominal pressure less than or equal to 1.0MPl, a medium pressure of high temperature (-20℃) or low temperature (-200℃).
Referenced standards
GE 91 Split pin
GB 97.1 Flat washer
GB882 Pin
GB61701 Hexagonal nut Grade A and Grade B
ZBG94004 Technical conditions for glass equipment
3 Types, basic parameters and dimensions
3.1 Type, basic parameters and dimensions See Figure 1 and Table 1, 2 Approved by the Ministry of Chemical Industry of the People's Republic of China on August 19, 1991 Implementation on January 1, 1992
13$1T 2145.H --- 91
！ ：Detailed information! Connection diagram
Nominal force PN
HG/T2n54
HG/T2050
GB 6170wwW.bzxz.Net
Nominal diameter
Note: Material selection is indicated in the table:
HG/T 2145. 3 - - 01
Door opening pin
Protective ring
Hook and bolt
Table 2·Dimension table
Joints
Q235-A
235--4
Raw material
Nominal force 0.25MPa, BM12 clamp, material KT350-10, use load 800N: nominal force 0.6 or 0MPa, AM clamp, material 35 steel, Sichuan line is 10750N3. 2 Certification example
According to the quick opening rate of glass equipment, the nominal positive PN is.Ma, the nominal diameter DN is 1mm. Marking: quick opening hand hole N1,0 DN150HG/T 2145.3-4 Technical requirements 4. The cover and protective ring shall be selected, manufactured, tested and accepted in accordance with ZBG94004 standard and the reference size shall be used for glass installation. 4.2 The allowable deviation of the chord length of two adjacent bolt holes and the diameter of the center circle of the bolt holes is ±0.6mm. The deviation of the length of the two bolt holes shall not exceed ±1mm. HG/T 2145.3 — 4.3 The gasket shall comply with relevant standards, and the specific materials shall comply with the technical requirements of the general drawing of the glass equipment. 4.4 After the glass quick-opening hand hole is assembled, its water pressure test or tightness test shall be carried out at the same time as the glass equipment. 5 Packaging, transportation and storage 5.1. The exposed glass surface should be wrapped firmly with soft objects, and the packaging should be fixed outside. 5.2 Collision must be prohibited during moving and transportation, and the packaging box must not be inverted. 5.3 The product should be accompanied by a packing list, product certificate and product instruction manual. 5.4 The product should be stored indoors, and outdoor storage or stacking is not allowed. Additional instructions:
This standard is proposed by China National Chemical Equipment Corporation. This standard is issued by the National Technical Committee for Standardization of Glass Equipment. This standard is drafted by Shanghai Pharmaceutical Design Institute of the State Drug Administration. The main drafters of this standard are Hua Qiuwu, Li Yijun and Bao Aiyuan. This standard refers to the German national standard DIN28153-1983 "Steel Glass Mixing Container, Hand Hole Cover", 156
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