Endless Felt Rollers & Sealing Rings
for a wide variety of applications

In order to expand and - in the truest sense of the word - round off our product range, we broadend our production capabilities with a machine for endless needled felt rollers at BWF Protec's Hof production site in 1995.

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

Your advantages at a glance:

  • The endless production method for our round needled felt rings means they have no weak points, and are very even.
  • Our endless needled felt tubes feature a soft surface with high durability and abrasion resistance.
  • Operating temperatures up to 550° C

We offer needled felt rollers and rings
in the following production range:

Key data of our our production possibilities:
Inner diameter
19 - 450 mm
Wall thickness
5 - 14 mm
Density range
0.15 - 0.42 g/cm³
up to 2,000 mm
pure grade blend, fibre blend, sandwich construction
hardened with resin treatment (on demand)stung (auf Wunsch)
[Translate to English:] Filzrohre

Felt Tubes/Rollers
endless needled

As with our yard goods, we process all common synthetic fibres - either pure, as a blend or in sandwich construction.

Advantages of endless needled felt rollers include:

  • a soft surface
  • high durability
  • high abrasion resistance

Application areas for our endless tubes and rollers

  • BWF EXTRU-LINE®- Transport rollers for the aluminium and glass industry
  • Needle felt filter cartridges for domestic water filter
[Translate to English:] Endlose Nadelfilz-Dichtringe für Filterschläuche

Sealing Rings
endless needled

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.

Advantages of endless sealing rings for use in filter bags include:

  • no weak points
  • highly uniform thickness
[Translate to English:] Bahnsitz mit Fireblocker-Nadelfilz
Nonwovens for a wide variety of applications
Seating, Heat & Safety, industrial applications and more
Discover potential fields of application here

Do you have questions about our products?
Contact us for further information.

Your contact partner at BWF Protec