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BARTON FIRTOP
ENGINEERING COMPANY LIMITED
Mesh Aperture Sizes



Perf. Plate Information | Pipe Schedules | Material Information | P.E.D Classification

Mesh
Wire Diameter
Aperture
Open Area %
mm
inch
mm
micron
2
2.5
0.10
10.0
 
64
2½
2.0
0.08
8.0
 
64
3
1.4
1.055
7.1
 
70
3½
1.25
0.05
6.3
 
70
4
1.219
0.048
5.1
 
65
5
1.016
0.04
4.0
 
64
6
0.914
0.036
3.3
 
61
8
0.71
0.028
2.5
 
60
10
0.56
0.022
2.0
 
61
12
0.56
0.022
1.5
 
54
16
0.46
0.018
1.13
 
51
18
0.34
0.014
1.07
 
57
20
0.38
0.015
0.89
894
50
24
0.34
0.014
0.71
713
45
28
0.38
0.015
0.53
531
34
28
0.27
0.011
0.63
633
49
30
0.27
0.011
0.57
572
46
36
0.25
0.010
0.45
451
41
40
0.23
0.0092
0.40
401
40
50
0.21
0.0084
0.29
295
34
60
0.17
0.0068
0.25
251
35
70
0.15
0.0060
0.21
210
34
80
0.13
0.0052
0.18
185
34
100
0.11
0.0044
0.14
142
31
120
0.09
0.0036
0.12
120
32
130
0.08
0.0032
0.11
112
34
140
0.07
0.0028
0.11
110
36
150
0.07
0.0028
0.10
98
34
165
0.05
0.0020
0.106
106
46
180
0.06
0.0024
0.080
80
33
200
0.051
0.0020
0.076
76
36
230
0.036
0.0014
0.075
75
46
250
0.040
0.0016
0.061
61
36
270
0.040
0.0016
0.056
56
34
300
0.036
0.0014
0.050
50
34
325
0.036
0.0014
0.042
42
29
350
0.030
0.0012
0.042
42
34
400
0.025
0.0010
0.038
38
36
500
0.025
0.0010
0.025
25
25

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Telephone: +44 (0)1527 831644.