Vorti-Siv Size Charts

Vorti-Siv is a manufacturer of quality sieves, sieving equipment, sieving parts, filters, sifters, separators and filtration equipment.

Sieves

A wide range of mesh sizes and standards are available on most Vorti-Siv frames. A few common standards are shown below:

Market Grade


Mesh Count	Wire Diameter	Mesh Opening		Open Area
/ Inch	Inch	Inch	Micron	Percent
2	0.063	0.4370	11100	76.4
3	0.054	0.2790	7087	70.1
4	0.047	0.2030	5156	65.9
4	0.063	0.1870	4750	56.0
5	0.041	0.1590	4039	63.2
6	0.035	0.1320	3353	62.7
7	0.035	0.1080	2743	57.2
8	0.028	0.0970	2464	60.2
8	0.035	0.0900	2286	51.8
10	0.025	0.0750	1905	56.3
11	0.018	0.0730	1854	64.5
12	0.023	0.0600	1524	51.8
12	0.028	0.0550	1397	43.6
14	0.020	0.0510	1295	51.0
16	0.018	0.0445	1130	50.7
18	0.017	0.0386	980	48.3
20	0.016	0.0340	864	46.2
24	0.014	0.0277	704	44.2
30	0.012	0.0213	541	40.8
35	0.011	0.0176	447	33.8
40	0.010	0.0150	381	36.0
50	0.009	0.0110	279	30.3
60	0.0075	0.0092	234	30.5
80	0.0055	0.0070	178	31.4
100	0.0045	0.0055	140	30.3
120	0.0037	0.0046	117	30.5
150	0.0026	0.0041	104	37.9
180	0.0023	0.0033	84	34.7
200	0.0021	0.0029	74	33.6
250	0.0016	0.0024	61	36.0
270	0.0016	0.0021	53	32.2
325	0.0014	0.0017	43	30.5
400	0.0010	0.0015	38	36.0
510	0.0010	0.0010	25	26.0
635	0.0008	0.0008	20	25.8

* The Market Grade has larger wire diameters and are stronger than the Bolting or Mill Grades but have less open area.

Bolting Cloth Grade (TBC)


Mesh Count	Wire Diameter	Mesh Opening		Opening Area
/ Inch	Inch	Inch	Micron	Percent
14	0.0090	0.6200	15748	76.4
16	0.0090	0.0535	1359	73.3
18	0.0090	0.0466	1184	70.2
20	0.0090	0.0410	1041	67.2
22	0.0075	0.0380	965	69.7
24	0.0075	0.0342	869	67.2
26	0.0075	0.0310	787	64.8
28	0.0075	0.0282	716	62.4
30	0.0065	0.0268	681	64.8
32	0.0065	0.0248	630	62.7
34	0.0065	0.0229	582	60.7
36	0.0065	0.0213	541	58.7
38	0.0065	0.0198	503	56.7
40	0.0065	0.0185	470	54.8
42	0.0055	0.0183	465	59.1
43	0.0050	0.0183	465	61.6
44	0.0055	0.0172	437	57.4
46	0.0045	0.0172	437	62.9
48	0.0045	0.0163	414	61.5
50	0.0045	0.0155	394	60.1
54	0.0040	0.0145	368	61.5
56	0.0040	0.0138	351	60.2
58	0.0040	0.0132	335	59.0
60	0.0040	0.0127	323	57.8
62	0.0040	0.0121	307	56.5
66	0.0040	0.0112	284	54.2
70	0.0037	0.0106	269	54.9
72	0.0037	0.0102	259	53.8
74	0.0037	0.0098	249	52.7
76	0.0037	0.0095	241	51.7
78	0.0037	0.0091	231	50.6
80	0.0037	0.0088	224	49.6
84	0.0035	0.0084	213	49.8
88	0.0035	0.0079	201	47.9
90	0.0035	0.0076	193	47.8
94	0.0035	0.0071	180	45.0
105	0.0030	0.0065	165	46.9
120	0.0026