This standard applies to metal wire woven square hole screens for solid particle screening, filtration of liquid and gaseous substances and other industrial purposes. GB/T 5330-1985 Industrial metal wire woven square hole screens GB/T5330-1985 standard download decompression password: www.bzxz.net
This standard applies to metal wire woven square hole screens for solid particle screening, filtration of liquid and gaseous substances and other industrial purposes.

National Standard of the People's Republic of China
Industrial woven metal wire cloth (square openning series)
UDC 621, 928, 2
GB5330—85
This standard is used for the screening of solid particles, the filtration of liquids and gases and other industrial purposes. This standard refers to the international standard IS04783/2·-1981≤1 Industrial screen and metal woven screen cloth, mesh size and wire diameter selection guide", mesh base size 16.0～0.025mm. 1 Weaving type, model and specification
1.1 Weaving type
It is divided into plain weave (Figure 1) and twill weave (Figure 2). Figure 1 Plain weave
Issued by the National Bureau of Standards on August 31, 1985
Implemented on April 1, 1986
1.2 Model
1.3 Specification
GB5330-85
Figure 2 Twill weave
Screen (net)
Accuracy level
Square hole (square)
T Industry ()
Indicated by mesh base and wire diameter (see Table 1). 1.4 Accuracy level
Grade 1 accuracy
Grade 2 accuracy -
Grade 3 accuracy -
1.5 Marking
High precision
Higher quality accuracy:
General accuracy,
Indicated by model, specification, weaving type and number of this standard. Example:
The basic mesh size is 1.0mm, the wire diameter is .355mm, and the 1st level precision gold-reduced wire plain weave square hole screen for T industry is marked as:
GFIW1.00/0.355 (-4 mm)
GB5330—85
The basic mesh size is 0.063mm, the wire diameter is 0.0.45mm, and the 2nd level precision metal wire twill weave square hole screen for T industry is marked as:
GF2W0.063/0.045 (twill)
2 Technical requirements
GB 5330—85
GB5330—85
21 The combination of the basic mesh size W, the mesh arithmetic mean size deviation, the maximum mesh size deviation range, and the wire diameter d shall comply with the requirements of Table 1.
2.2 According to the special needs of the particle size of natural materials (such as grain, oil, etc.), the specifications in Table 2 may be selected. 2.3 The basic size and limit deviation of the metal wire diameter shall comply with the provisions of Table 3. 2.4 The number of large mesh holes allowed: the accuracy of level 1 shall not exceed 6%, the accuracy of level 2 shall not exceed 9%, and the accuracy of level 3 shall not exceed 112%. Table 1
Mesh size
Main size
Supplementary size
Ｒ10 series:
K20 series
R40/3 series
Mesh arithmetic mean size
2nd grade accuracy
3rd grade accuracy
Large mesh size deviation range
2nd grade accuracy
1st grade accuracy
24~40
Gold plaque silk
Basic diameter
Basic size W
Main size
R10 series
Supplementary size
R20 series
08 5330--8
Continued Table 1
Mesh arithmetic mean size deviation
1st level accuracy
R40/3 series
2nd level accuracy
3rd level accuracy
Large mesh size deviation range
1st level accuracy
8 ~ 12
2nd level accuracy
15 ~25
21 35
3rd level accuracy
24 ~ 40
30 ~ 50
Metal wire suitable
Basic
Basic size of two holes
Main size
R R10 series
Supplementary dimensions
GB5380-85
Continued 1
Arithmetic mean deviation
[1st grade viscosity 2nd grade accuracy 3rd grade accuracy
R 20 series
R 40/3 series
Deviation specification of two hole dimensions
1st grade accuracy
2nd grade accuracy
21 ~ 35
3rd grade accuracy
End thread straightness
Basic specification
.63mm
.56mm
Main dimensions
R10 series
Supplementary dimensions
R 20 series
R 40/3 series
GB 533085
Continued Table 1
Mesh arithmetic mean size deviation
1st level accuracy
2nd level accuracy
3rd level accuracy
Large mesh size deviation range
1st level accuracy
10—15
2nd level accuracy
3rd level rotation
Jinqi wire straight
Basic diameter
Basic size ratio of open hole
Ca Yao ruler
R 10 Series
Filling size
R20 series
R40/3 series
GB5330—B5
Continued Table 1
Arithmetic mean size deviation of mesh
Grade 1 accuracy
Grade 2 accuracy
Grade 3 accuracy
Range of small deviation of large two holes
Grade 1 accuracy
10～15
13 -20
Grade 2 accuracy!
21 ~ 95
24 - 40
Grade 3 accuracy
30～50
Metal wire
Light basic
Basic mesh size W
Main size
R10 series
Supplementary size
R20 series
.0.400www.bzxz.net
R40/3 series
GB5330-85
Continued Table 1
Mesh arithmetic double mean size deviation
Grade 1 accuracy
Grade 2 accuracy
Grade 3 accuracy
Large mesh size deviation range
Grade 1 accuracy
13 ~ 20
Grade 2 accuracy
24 ~40
Grade 3 accuracy
Basic wire true
Basic mesh size
Main size
R 10 series1
Additional size
R20 series
R 4073 series
GB 5330--85
Continued Table 1
Arithmetic mean size deviation of mesh
【Grade accuracy
Grade 2 accuracyGrade 3 accuracy
Large mesh size deviation range
Grade 1 accuracy
16 ~ 25
Grade 2 accuracy
30 ~ 50
3rd degree
40～0
metal wire straight
light basic
mesh base ruler
baby ruler!
R 10 series
Supplementary scale
R2 series
8,112
GB 5330—86
Continued Table 1
Mesh arithmetic mean scale deviation
R40/3 series1st level accuracy
1,150
2nd level accuracy
Large mesh size small deviation range
3rd level accuracy
16 - 25
19 - 30
2nd level accuracy
35 - 60
3rd level accuracy
Wire diameter
Basic
Basic mesh size W
Main dimensions
R 10 series
Supplementary ruler
R20 series
0,056
R40/3 series
GB 5330—85
Continued Table 1
Mesh arithmetic mean size deviation
1st level accuracy
2nd level accuracy
3rd level accuracy
Large mesh size deviation range
1st level accuracy
24 ~ 40
30 ~ 50
2nd level accuracy
35 ~60
41 - 70
46 ~ 80
3rd level accuracy
45 ~ 75
50 ~ 5
60 ~～ 95
Metal wire diameter basic
0, 036
Basic ruler
Main dimensions
R 1 series
Supplementary dimensions
R20 series
Basic dimensions of mesh W
Supplementary ruler
R40/3 series
GH 5330-85
Continued table 1
Mesh arithmetic mean size deviation
1st grade precision
2nd grade precision
3rd grade precision
Mesh arithmetic mean size deviation
1st grade precision
2nd grade viscosity
3rd grade precision
Large mesh size deviation standard
1st grade precision
35 ~ 60
41 70
46 - 80
2nd level accuracy
60 100
Large mesh size deviation model
1st level accuracy
10 ~15
2nd level accuracy
3rd level accuracy
Metal wire diameter
Basic size
3rd level accuracy
30 ~50
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