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Filtration mesh and micron.
Mesh is a standard number specify approximately the number of apertures in 1 inch length of a screen.
the following table might help the irrigation field staff and irrigation systems planners to convert screen and disc filters mesh and micron definitions.
|
Size of filtration screen aperture. Conversion table for irrigation field staff. | ||
|
Mesh |
Aperture real size (micron) |
Aperture nominal |
|
10 |
2000 |
2000 |
|
12 |
1700 |
1680 |
|
14 |
1400 |
1410 |
|
16 |
1200 |
1190 |
|
18 |
1000 |
1000 |
|
20 |
850 |
840 |
|
25 |
700 |
710 |
|
30 |
600 |
590 |
|
35 |
500 |
500 |
|
40 |
400 |
420 |
|
45 |
350 |
350 |
|
50 |
300 |
300 |
|
60 |
250 |
250 |
|
70 |
200 |
210 |
|
80 |
180 |
177 |
|
100 |
150 |
149 |
|
120 |
130 |
125 |
|
140 |
100 |
105 |
|
170 |
90 |
88 |
|
200 |
75 |
74 |
|
230 |
60 |
62 |
|
270 |
50 |
53 |
|
325 |
45 |
44 |
|
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Utility links:
Irrigation piping bsp and npt standarts
irrigation pe piping metric standarts