Endless Needled Products
Felt Rollers - Tubes - Sealing Rings
In addition to needle felt yard goods needlona®, we produce endless needled rollers, rings and tubes. As with the yard goods we process various fibers also as blends or sandwich-construction. Additionally, we can offer our needle felt rolls with a resin finish. Depending on the fiber material used, operating temperatures up to 700°C are possible.
Key data related to our production facilities:
| inner diameter: | 19 - 450 mm |
| wall thickness: | 5 - 14 mm |
| density: | 0.15 - 0.42 g/cm³ |
| length: | up to 2,000 mm |
To complete the BWF Envirotec filter range we offer endless sealing rings made of needle felt. Due to the endless production these felt rings have no week points and are very even. Upon request we can provide sealing rings with a circumferential groove.








