In order to expand and - in the truest sense of the word - round off its product range, in 1995 BWF Protec's Hof production site broadened its production capabilities with a machine for endless needled felt tubes.
Endless tubes and rollers made of needle felt such as BWF EXTRU-LINE® are used e.g. as transport rollers in the aluminium industry, or as filter cartridges for domestic water filters. So-called sealing rings, made of needled felt tubes, are processed in filter bags by BWF Envirotec
|Inner diameter||19 - 450 mm|
|Wall thickness||5 - 14 mm|
|Density range||0.15 - 0.42 g/cm³|
|Length||up to 2,000 mm|
- pure grade blende
hardened with resin treatment (on demand)
As with our yard goods, we process all common synthetic fibres - either pure, as a blend or in sandwich construction.
Filter bags intended for industrial filtration require sealing materials to ensure a clean seal. As a convenient solution, BWF Protec offers endless needled sealing rings in appropriate dimensions, and with suitable fibre types.