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Test Sieves

TEST SIEVES -ACCURATE OPENING

Sieve Series and Equivalents
Sieve Designation Sieve Opening Nominal Wire Dia.
Standard (a)
Alternative
mm
inc
mm
In (approx equivalents)
125mm
5.00 ”
125
5.00”
8
.3150”
106mm
4.24”
106
4.24”
6.3
.2520”
100 mm(b)
4.00(b) ”
100
4.00”
6.3
.2480”
90mm
3.50”
90
3.50”
6.3
.2394”
75mm
3.00”
75
3.00”
6.3
.2283”
63mm
2.50”
63
2.50”
5.6
.2165”
53 mm
2,12”
53
2.12”
5
.2028”
50 mm(b)
2.00(b)”
50
2.00”
5
.1988”
45 mm
1.75”
45
1.75”
4.5
.1909”
37.5 mm
1.50”
37.5
1.50”
4.5
.1807”
31.5mm
1.25”
31.5
1.25”
4
.1665”
26.5mm
1.06”
26.5
1.06”
3.55
.1535”
25.0 mm(b)
1.00(b)”
25
1.00”
3.55
.1496”
22.4mm
7/8”
22.4
0.875”
3.55
.1378”
19.0mm
3/4”
19
0.750”
3.15
.1299”
16.0mm
5/8”
16
0.625”
3.15
.1181”
13.2mm
.530”
13.2
0.530”
2.8
.1083”
12.5 mm(b)
1/2(b)”
12.5
0.500”
2.5
.1051”
11.2mm
7/16”
11.2
0.438”
2.5
.0965”
9.5mm
3/8”
9.5
0.375’
2.24
.0894”
8.0 mm
5/16”
8
0.312”
2
.0815”
6.7 mm
.265”
6.7
0.265’
1.8
.0736”
6.3 mm(b)
1/4(b)”
6.3
0.250”
1.8
.0717”
5.6mm
No.3-1/2(c)”
5.6
0.223”
1.6
.0661”
4.75 mm
No. 4
4.75
0.187’
1.6
.0606”
4.00 mm
No. 5
4
0.157”
1.4
.0539”
3.35 mm
No. 6
3.35
0.132”
1.25
.0484”
2.80 mm
No. 7
2.8
0.11”
1.12
.0430”
2.36 mm
No. 8
2.36
0.0937”
1
.0394”
2.00 mm
No. 10
2
0.0787”
.9
.0345”
1.70 mm
No. 12
1.7
0.0661”
.8
.0319”
1.40 mm
No. 14
1.4
0.0555”
.71
.0285”
1.18mm
No. 16
1.18
0.0469”
.63
.0256”
1.00 mm
No. 18
1
0.0394”
.56
.0228”
850 pm(d)
No. 20
.85
0.0331”
.5
.020 1”
710pm
No. 25
.71
0.0278”
.45
.0177”
600 pm
No. 30
.6
0.0234”
.4
.0154”
500 pm
No. 35
.5
0.0197”
.315
.0134”
425 pm
No. 40
.425
0.0165”
.28
.0114”
355 pm
No. 45
.355
0.0139”
.224
.0097”
300 pm
No. 50
.3
0.0117”
.2
.0085”
250 pm
No. 60
.25
0.0098”
.16
.0071”
212 pm
No. 70
.212
0.0083”
.14
.0060”
180 pm
No. 80
180
0.0070”
.125
.0052”
150pm
No. 100
.15
0.0059”
.1
.0043”
125 pm
No. 120
.125
0.0049”
.09
.0036”
106pm
No. 140
.106
0.0041”
.071
.0030”
90 pm
No. 170
.09
0.0035”
.063
.0025”
75 pm
No. 200
.075
0.0029”
.05
.0021”
63 pm
No. 230
.063
0.0025”
.045
.0017”
53pm
No. 270
.053
0.0021’
.036
.0015”
45 pm
No. 325
.045
0.0017”
.032
.0012”
38 pm
No. 400
.038
0.0015”
.03
.0010”
32 pm
No. 450
0.0012”
.028
25 pm(b)
No. 500
0.0010”
.025
20 pm(b)
No. 635
0.0008”
.02
(a) These standard designations correspond to the values for test sieve apertures recommended by the International Standards Organization,Geneva Switzerland, except where noted. Only approximately equivalent to the metric values in Column 1. (b) These sieves are not in the standard series, but they have been included because they are in common usage (c) These numbers (3-1/2 to 635) are the approximate number of openings per liner inch but it is preferred that the sieve be identified by

1. Brass Alloy or Stainless Steel

 

2. Test Sieve cloth is optically
measured


3. Die formed frames for
guaranteed fit

Standard Diameter*
8’ Diameter

Full Height- Height 2-5/8,
depth to cloth 2’

Half Height -- Height 1-5/8,
depth to cloth 1’

NOTE: 18 sieves available in full height, Brass only.

Bottom pans and top covers are
not included but are available please inquiry

HOW TO ORDER TEST SIEVES

1. Diameter desired

2. Half or full height

3. Brass or Stainless Frame

4. Brass or Stainless Wire
Cloth