Stainless Steel Wire Mesh Twilled Dutch Weave Type

As with the plain weave, the shute wires of the twilled dutch weave (TDW) are arranged as close together as possible. However, this weave has double the number of shute wires than a plain dutch weave. A very small aperture is formed by three shute wires which cross in different directions and, together with the warp wires, create a channel that is open on two sides. The characteristic structure of this tight weave provides high filtration accuracy. Another variation of this is Open Twilled Dutch Weave where fewer shute wires are used to influence the filtration rate.

For monofilaments, a twilled dutch mesh weave produces the smallest pores and a smooth mesh surface, whilst the larger material cross section gives higher levels of mesh stability. When passing through a twilled dutch mesh, the particles must negotiate five offset pore levels. This means that oblong, thin, rod-shaped and fibrous particles are securely retained. Fine specification twilled meshes are used for fine filtration such as pressure filtration in hydraulic steering equipment and fuel filters for critical applications. Coarser specification twilled dutch meshes are used for pressure and vacuum filtration (disc, cell and drum filters) and as a porous medium for fluidised bed applications. These meshes are usually manufactured from stainless steel. These meshes have a slightly textured surface and are particularly useful for high flow.

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Stainless Steel Twilled Dutch Weave Wire Mesh
Mesh	Wire Diameter D				Porosity %	Thickness		Weight		Porosity Retention
Per Inch	Inch		mm			Inch	mm	Lbs/sq.ft.	Kg/m2	Micron µm
Warp x Shute	Warp	Shute	Warp	Shute		Inch	mm			Norminal
14×128	0.02	0.500	0.016	0.400	43	0.052	1.31	1.19	5.81	200
18×210	0.018	0.457	0.01	0.254	51	0.042	1.06	0.88	4.28	200
12.7×220 (T)	0.011	0.280	0.01	0.250	44	0.035	0.90	0.84	4.10	105
16×270 (D)	0.009	0.240	0.008	0.210	41	0.029	0.73	0.69	3.35	125
18×330	0.02	0.500	0.007	0.180	59	0.046	1.18	0.78	3.80	100
20×216	0.011	0.270	0.01	0.250	40	0.032	0.82	0.78	3.82	110
20×250	0.01	0.250	0.009	0.220	41	0.026	0.66	0.69	3.35	100
20×260	0.018	0.450	0.009	0.220	42	0.04	1.01	0.85	4.16	108
25×160	0.016	0.400	0.012	0.300	46	0.039	1.00	0.94	4.60	105
30×250	0.01	0.250	0.008	0.200	40	0.026	0.65	0.63	3.10	90
30×360	0.01	0.250	0.006	0.150	39	0.024	0.60	0.51	2.49	90
40×250	0.01	0.250	0.009	0.220	36	0.028	0.72	0.75	3.65	75
40×550	0.007	0.180	0.004	0.100	52	0.017	0.43	0.35	1.70	65
50×250	0.01	0.250	0.008	0.200	40	0.028	0.70	0.67	3.28	50
60×700	0.006	0.165	0.003	0.076	49	0.016	0.40	0.29	1.42	45
80×700	0.004	0.000	0.003	0.076	42	0.011	0.27	0.25	1.21	35
110×850	0.004	0.090	0.003	0.065	42	0.009	0.24	0.23	1.12	30
165×1100	0.003	0.070	0.002	0.044	29	0.007	0.17	0.15	0.75	18
165×1400	0.003	0.070	0.002	0.040	30	0.006	0.15	0.16	0.76	15
200×1400	0.003	0.070	0.002	0.040	33	0.006	0.15	0.16	0.76	13
250×1370	0.002	0.058	0.002	0.043	32	0.006	0.14	0.17	0.84	9
325×1900	0.001	0.035	0.001	0.027	39	0.004	0.10	0.09	0.45	7
325×1900	0.001	0.038	0.001	0.028	34	0.004	0.09	0.10	0.49	10
325×2300	0.001	0.038	0.001	0.025	30	0.003	0.09	0.1	0.47	8
375×2300	0.001	0.032	0.001	0.025	35	0.004	0.09	0.09	0.46	3
400×2800	0.001	0.029	0.001	0.023	33	0.003	0.07	0.09	0.45	2
450×2750	0.001	0.025	0.001	0.020	33	0.003	0.07	0.07	0.36	<1.5
508×3600	0.001	0.025	0.001	0.017	34	0.002	0.05	0.07	0.34	1
Above is reference list examples of Standard Stainless Steel Twilled Dutch Weave Wire Mesh (many more available)

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Stainless Steel Wire Mesh Twilled Dutch Weave Type

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