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METALLIC FIBRE FELT
Metallic Fibre Felt is made of metal fibre in micrometre through lapping, laminate, and high-temperature sintering. Multi-layer metallic fibre felt with pore diameter grads formed by layers of different pore sizes can achieve high filtering accuracy and larger dirt holding capacity than single layer Felt.
Metallic Fiber Felt has uniform pore size, high permeability, and mechanical intension. It is resistant to corrosion and high temperature and can be welded, folded, and reused. The Metallic Felt is an ideal high efficient filter media suitable for working at high temperatures, high differential pressure, and high corrosion atmosphere.
Characteristics of Metallic Fiber Felt
High Porosity
High dirt holding capacity (for in-depth filtration), Long on-stream lifetime, High flow rates: up to 20 times higher versus other media, +Low pressure drop (lower energy cost)
Thin Membrane
Cleanable, superior backwash and back pulse capabilities, Easy to pleat and weld.
Stainless Steel and Other Alloys Available
Heat and corrosion-resistant (dep. on the alloy). Not brittle, Chemical cleaning possible, Weldable, Low thermal expansion and no thermal shock.
Fiber
Specifications of Metallic Fiber Felt
| Type | Bubble point Pressure (BBP) | Filtration based on BPP | Porosity | AIR Permeability |
|---|---|---|---|---|
| 3µ | 12300 | 3 | 70 | 10.00 |
| 5µ | 7600 | 5 | 80 | 34.00 |
| 7µ | 5045 | 7 | 47 | 62.00 |
| 10µ | 3700 | 10 | 78 | 108.00 |
| 15µ | 2470 | 15 | 80 | 180.00 |
| 20µ | 1850 | 20 | 82 | 265.00 |
| 25µ | 1480 | 25 | 79 | 325.00 |
| 30µ | 1235 | 30 | 79 | 450.00 |
| 40µ | 925 | 40 | 76 | 620.00 |
Comparisons between Woven Wire Mesh & Metallic Fiber Felt
| Characteristic | Non-woven | Woven Mesh |
|---|---|---|
| Porosity | 50-85% | <50% |
| Flow rate | + + + + + | — |
| Thickness | 0.15 – 1. m.m. | 0.1-0.5 mm |
| Dirt holding | + + + + + | — |
| Pressure drop | + + + + + | — |
| Corrosion resistance | Excellent | Good |
