HG/T 2133-1991 Glass-lined 60° elbow HG/T2133-1991 Standard download decompression password: www.bzxz.net

Chemical Industry Standard of the People's Republic of China
Tang Glass 60°
Subject Content and Scope of Application
This standard specifies the type, basic parameters, dimensions and technical requirements of the 60° elbow. HG/T2133-91
This standard applies to 60° elbows with nominal pressure (PN) equal to or less than 1.0MPa, medium temperature: A-type elbows are -20°C to 200°C, B-type and C-type elbows are -10°C to 200°C, 2 Reference Standards
GB1804
Tolerance and Fit Limit Deviation of Dimensions without Tolerance GB5780 Hexagon Head Bolts Grade C
GB5782. Hexagon Head Bolts Grade A and B||tt ||GB.6170-1 Hexagon nuts Grade A and B
GB9439
Gray iron parts
YB231 Seamless steel pipe
ZBG94004 Technical conditions for glass equipment
HG/T2105 Slip-on flanges for glass equipment
3 Types, basic parameters and dimensions
3.1 The steel glass 60° elbow (Type A) connected by a slip-on flange is as specified in Figure 1 and Table 1.
* In this standard, PN and DN represent the nominal pressure and nominal diameter respectively. Approved by the Ministry of Chemical Industry of the People's Republic of China on August 19, 1991, 16
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1992-01-01
108×4
133×4
219×6
273×8
Note: S in the figure and table refers to the thickness of the front wall of the glass, Z
HG/T2133-91
Figure 1A type| |tt||PN-0.6MPa
Standard micro screen
Reference weight, kg
PN-0.6MP2
PN-1.0MPa
Various sales standards and industry information
PN-1.0MPa
HG/T2133-91
3.2 The cast iron glass 60° elbow (Type B) connected by a slip-on flange shall be in accordance with the provisions of Figure 2 and Table 2.
PN/MPa
106×9
158×10
214×11
262×12
S in the figure and table refers to the total thickness of the glass. Note: 170
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Reference weight, kg
HG/T213391
3.3 The 60° elbow (Type C) of cast iron pond glass with flange connection shall be in accordance with the requirements of Figure 3 and Table 3.
Figure 3C type
PNIMPa
106×9
158×10
214x11
262×12
Note: S in the figure and table refers to the thickness of the front wall of the glass. 3.4 Marking example
A type sugar glass 60° elbow PN is 0.6MPaDN is 50mmD
Marking: 60° elbow PN0.6DN50-A.HG/T2133--914 Technical requirements
4.1 Material selection, manufacturing, testing and acceptance shall be carried out in accordance with ZBG94004 and this standard. Standard exchange network.mm.b of moso.cca various US standard industry information free download D,
Reference weight, kgbZxz.net
HG/T2133-91
4.2The steel pipe in type A elbow is manufactured and accepted according to the requirements of YB231. 4.3 Manufacturing tolerance and allowable deviation
4.3.1 For type B and type C elbows, the materials shall comply with the relevant provisions of GB9439. 4.3.2 The allowable deviation of the center circle diameter of the bolt hole on the flange of type C elbow and the chord length of two adjacent bolt holes 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-toleranced dimensions of the machined surface shall comply with the IT14 grade specified in GB1804, and the tolerance grade of the un-toleranced dimensions of the non-machined surface shall comply with the IT16 grade.
4.3.4 The allowable deviation of the length L of the elbow shall comply with the provisions of Table 4, DN
65~100
125~200
4.4 Type A and type B elbows The clean flange of the head shall be selected according to HG/T2105. 4.5 Explosive bolts for flange connection: When PN is greater than 0.6MPa and less than or equal to 1.0MPa, it shall be in accordance with the provisions of GB5782: when PN is less than or equal to 0.6MPa, it shall be in accordance with the provisions of GB5780, nuts shall be in accordance with the provisions of GB6170, and gaskets shall be selected according to relevant standards. 4.6 Water pressure test pressure and maximum working pressure at different temperatures shall be selected according to Table 5. Table 5
5 Packaging, transportation and storage
Test pressure
51 The product shall be accompanied by a packing list, product certificate and product instruction manual. 5.2 No collision shall be allowed during movement and transportation.
5.3 The exposed pond glass surface shall be sealed with soft gaskets and cultivation boards. 5.4 The product shall 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 under the jurisdiction of the National Glass Equipment Standardization Technical Committee. 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 Shouyuan. 20
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Maximum working pressure P at the following temperatures
120℃
200℃
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