Standard Test Sieves

The test sieves conform to the Indian standards and satisfy requirements of IS : 460 (Part 1) 1985 for wire cloth test sieves and IS : 460 (part II) 1985, for perforated plate test sieves with respect to width of apertures, permissible variation in aperture, wire diameter and screening areas. The sieves from 22 micron to 3.35 mm size are available in 200 mm dia and have woven wire cloth fixed in spun brass frames,from 40 mm to 53 mm size ate available in 300 m dia and from 6 mm to 125 mm size in 450 mm diameter.

The sieves of size 5.6 mm and above in 300 mm or 450 mm dia. Are either of woven wire or perforated sheet and are fitted in G.I. frames.

200 mm dia, (Spun Brass Frames) Aperture Size :

HS 32.35

3.35mm,
2.80 mm
2.36 mm
2.00 mm
1.70 mm
1.40 mm
1.18 mm
1.00 mm
850 micron
710 mic.,
600 mic.,
500 mic.,
425 mic.,
355 mic.,
300 mic.,
250 mic.,
212 mic.,
180 mic.,
150 mic.,
125 mic.,
106 mic.,
90 mic.,
75 mic.,
63 mic.,
53 mic.,
45 mic.,
38 mic.,
32 mic.,
26 mic.,
22 mic.

Note
All the aperture sizes listed under HS32.35 can be supplied in 100 mm or 150 mm dia spun brass frames on special order.

300 mm dia (Spun Brass Frames)

HS32.40

5.60 mm,
4.75 mm
4.00 mm
3.35 mm
2.80 mm
2.36 mm
2.00 mm
1.70 mm
1.40 mm
1.18 mm
2.00 mm
1.70 mm
1.40 mm
1.18 mm
1.00 mm
850 micron
710 mic.,
600 mic.,
500 mic.,
425 mic.,
355 mic.,
300 mic.,
250 mic.,
212 mic.,
180 mic.,
150 mic.,
125 mic.,
106 mic.,
90 mic.,
75 mic.,
63 mic.,
53 mic.,
45 mic.,
38 mic.,
32 mic.,
26 mic.,
22 mic.

300 mm Dia. (G.I. Sheet Frames)

HS 32.45

53.0 mm,
45.0 mm
37.5 mm
31.5 mm
26.5 mm
22.4 mm
19.0 mm
16.0 mm
13.2 mm
11.2 mm
9.5 mm
8.0 mm
6.7 mm
5.6 mm
4.75 mm
4.0 mm

450 mm dia (G.I. Sheet Frames) Aperture Size

HS 32.50

125 mm
106 mm
90.9 mm
75.0 mm
63.0 mm
53.0 mm
45.0 mm
37.5 mm
31.5 mm
26.5 mm
22.4 mm
19.0 mm
16.0 mm
3.2 mm
11.2 mm
9.5 mm
8.0 mm
6.7 mm
5.6 mm
4.75 mm