Test Sieves
We take great pride in offering solutions to all aspects of our customers’ sizing requirements. Whether it is a high capacity production separator or a single sieve used in lab analysis, it is our goal to assist you with your application needs. To better serve our customers we now offer a full line test sieves.
Each test sieve is guaranteed to meet the American Society for Testing Materials (ASTM) specifications. A certificate of analysis is supplied with each individual sieve. The nameplate shows the sieve designation, microns and nominal openings in both millimeters and inches. A permanently etched serial number is also included for traceability and quality control.
- 8" (2.03.2mm) diameter test sieves: available in full height (2" Depth to Cloth) and half height (1" Depth to Cloth)
- 2" (304.8mm) diameter test sieves: available in full height (3-1/4" Depth to Cloth), intermediate height (2" Depth to Cloth) and half height (1-5/8" Depth to Cloth)
- Limited sizes available in 2-1/2", 3", 4", 5", 6" & 10" diameter(s)
- Frames, mesh, pans & sieve covers are available in both brass & stainless steel
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U.S.A. STANDARD SIEVE SIZES/EQUIVALENTS CHART
| Alternative No. |
Nominal Openings In. |
Standard M.M. |
| 4" |
4.000 |
100mm |
| 3-1/2" |
3.500 |
90mm |
| 3" |
3.000 |
75mm |
| 2-1/2" |
2.500 |
63mm |
| 2.12" |
2.120 |
53mm |
| 2" |
2.000 |
50mm |
| 1-3/4" |
1.750 |
45mm |
| 1-1/2" |
1.500 |
37.5mm |
| 1-1/4" |
1.250 |
31.5mm |
| 1.06" |
1.060 |
26.5mm |
| 1" |
1.000 |
25mm |
| 7/8" |
0.875 |
22.4mm |
| 3/4" |
0.750 |
19mm |
| 5/8" |
0.625 |
16mm |
| 0.530" |
0.530 |
13.2mm |
| 1/2" |
0.500 |
12.5 |
| 7/16" |
0.434 |
11.2mm |
| 3/8" |
0.375 |
9.5mm |
| 5/16" |
0.312 |
8mm |
| 0.265" |
0.265 |
6.7mm |
| 1/4" |
0.250 |
6.30mm |
| 1/8" |
0.125 |
3.17mm |
| NO. 3-1/2 |
0.233 |
5.66mm |
| NO. 4 |
0.187 |
4.75mm |
| NO. 5 |
0.157 |
4mm |
| NO. 6 |
0.132 |
3.35mm |
| NO. 7 |
0.111 |
2.80mm |
| NO. 8 |
0.0937 |
2.36mm |
| NO. 10 |
0.0787 |
2mm |
| NO. 12 |
0.0661 |
1.70mm |
| NO. 14 |
0.0555 |
1.40mm |
| NO. 16 |
0.0469 |
1.18mm |
| NO. 18 |
0.0394 |
1mm |
| NO. 20 |
0.0331 |
850um |
| NO. 25 |
0.0278 |
710um |
| NO. 30 |
0.0234 |
600um |
| NO. 35 |
0.0197 |
500um |
| NO. 40 |
0.0165 |
425um |
| NO. 45 |
0.0139 |
355um |
| NO. 50 |
0.0117 |
300um |
| NO. 60 |
0.0098 |
250um |
| NO. 70 |
0.0083 |
212um |
| NO. 80 |
0.0070 |
180um |
| NO. 100 |
0.0059 |
150um |
| NO. 120 |
0.0049 |
125um |
| NO. 140 |
0.0041 |
106um |
| NO. 170 |
0.0035 |
90um |
| NO. 180 |
0.0033 |
80um |
| NO. 200 |
0.0029 |
75um |
| NO. 230 |
0.0025 |
63um |
| NO. 270 |
0.0021 |
53um |
| NO. 325 |
0.0017 |
45um |
| NO. 400 |
0.0015 |
38um |
| NO. 450 |
0.0012 |
32um |
| NO. 500 |
0.0010 |
25um |
| NO. 635 |
0.0008 |
20um |
| NO. 850 |
0.0004 |
10um |
|