JB/T 2302-1999 This standard is a revision of JB 2302-78 "Double-barrel mesh filter types, parameters and dimensions". During the revision, the flange connection dimensions were modified according to JB/T 79.1-94 "Raised integral cast steel pipe flange". This standard specifies the types, parameters and dimensions of double-barrel mesh filters. This standard is applicable to double-barrel mesh filters that filter lubricating oil in the thin oil lubrication system of heavy-duty and mining equipment. This standard was first issued on October 1, 1978. JB/T 2302-1999 Double-barrel mesh filter types, parameters and dimensions JB/T2302-1999 standard download decompression password: www.bzxz.net

ICS21.010
Machinery Industry Standard of the People's Republic of China
JB/T2302—1999
Double cylinder mesh filter
Type, parameters and dimensions of double cylinder mesh filter
Published on 1999-06-28
National Machinery Industry Bureau
Implemented on 2000-01-01
JB/T2302—1999
This standard is a revision of JB2302-78 "Double cylinder mesh filter type, parameters and dimensions". Compared with JB2302-78, the main technical content of this standard has changed as follows: the flange connection size was originally based on JB76-59, but now it is based on JB/T79.1-94.
This standard replaces JB2302-78 from the date of implementation. This standard is proposed and managed by the Metallurgical Equipment Standardization Technical Committee. The drafting unit of this standard: Xi'an Heavy Machinery Research Institute. The main drafter of this standard: Qi Dingshun.
This standard was first issued in October 1978. 1 Scope
Machinery Industry Standards of the People's Republic of China
Double cylinder mesh filter
Type, parameters and dimensions
Typeparameters and dimensions of doublecylindericneting-filter
This standard specifies the type, parameters and dimensions of double cylinder mesh filter. JB/T23021999
Replaces JB2302-78
This standard applies to double cylinder mesh filters that filter lubricating oil in the thin oil lubrication system of heavy and mining equipment. 2 Referenced standards
The provisions contained in the following standards constitute the provisions of this standard through reference in this standard. When this standard is published, the versions shown are valid. All standards will be revised, and parties using this standard should explore the possibility of using the latest versions of the following standards. GB/T3141-82 Industrial Lubricating Oil Viscosity Classification JB/T 79.1-94
3 Structural Type
Convex Integral Cast Steel Pipe Flange
3.1 The double-cylinder mesh filter type with a nominal diameter of 32, 40mm is shown in Figure 1, and the double-cylinder mesh filter type with a nominal diameter of 50~150mm is shown in Figure 2.
3.2 The double-simple mesh filter consists of two groups of filtering devices and a six-way reversing valve. When working, one group is filtering and the other group is standby. 4 Parameters and Dimensions
The parameters and dimensions of the double-simple mesh filter shall comply with the provisions of Table 1, Table 2 and Figures 1 and 2. Table 1
Kinematic viscositybZxz.net
SWQ-32
SWQ-40
SWQ-50
SWQ-65
SWQ-80
SWQ-100
Approved by the State Machinery Industry Bureau on June 28, 1999 012
0.0810.12
cst(40℃）
Implemented on January 1, 2000
SWQ-125
SWQ-150
JB/T2302-1999
Table 1 (End)
Kinematic viscosity cst(40℃)
1When working, the normal inlet and outlet pressure difference of the filter is ≤0.035MPa. 2 Kinematic viscosity is in accordance with the provisions of GB/T3141
Oil outlet
Jinjinshan
Filter accuracy
When the pressure difference is ≥0.05MPa,
should be immediately reversing cleaning or replacing the filter. 4x12
SWQ-32
SWQ-40
SWQ-50
SWQ-65
Nominal A
JB/T2302-1999
Table 2 (end)
A release
DDHHLLh
Oil outlet flange
Inlet and outlet flanges
SWQ-80
SWQ-100
SWQ-125
SWQ-150
2302-1999
Note: Flange dimensions are in accordance with JB/T79.1 (PNI.6MPa)5
Marking example
Double-mesh filter with a nominal diameter of 50mm: G3/4
8601530
SWQ -50 filter
JB/T2302—1999
Mechanical industry standard
Double simple mesh filter
Type, parameters and dimensions
JB/T2302—1999
Published and issued by the Mechanical Science Research Institute
Printed by the Mechanical Science Research Institute
(No. 2, Shouti South Road, Beijing, Postal Code 100044)*
2 words 1Q000
Printing sheet 1/2
Format 880×12301/16
First edition in December 1999
First printing in December 1999
Print run 1-500
Price 500 yuan
No. 99-1200
Mechanical Industry Standard Service Network: http:/hvwwJB.ac.cn666
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