Group
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Coolant Filter Belts


By using customized Sefar filter belts, the resultant perfectly purified coolant ensures a constant surface quality of the workpiece, as well as a long tool lifetime.

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Fabrication solutions

In collaboration with leading manufacturers custom-made filter belts for coolant filtration have been developed for vacuum, pressure, suction and gravity filtration systems. The belts are tailor-made to the requirements of equipment. In addition to the innovative closure system, edge sealing, magnetic strips and transport bars are available to perfectly suit your application.


Belt closure

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1)


Edge sealing with
magnetic strip

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2)

Transport bars

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3)

1)

SEFAR TopSeal PU is one of our innovative closure systems for coolant filter belts

2)

Coated edges for perfect sealing, prevent loss of pressure

3)

High-resistant transport bars are available for special filter types

Accessories

For a simple and efficient belt installation, Sefar offers helpful mounting aids.

Most closures can be re-opened after having been closed.

Closure set

Closure accessories

Entry aid


SEFAR TopSeal Heavy Coolant assembly video

Filter media technology

Sefar’s ‘Double Layer Weave’ technology mechanically combines fine filter fabric with robust supporting fabric. When compared to traditional filter media, SEFAR TETEX DLW Coolant maintains a higher flow rate, while at the same time providing improved particle retention.

This unique filter media has become established as the successful standard for belt filters and offers the following advantages:

Wide range of pore sizes (40 – 100 μm)

High permeability offers improved filtration capacity

Optimum particle retention, due to the special pore design

Excellent cake release, due to the special surface treatment

Mechanical composite of filter and supporting fabric prevents delamination

Air permeability development

Decades of pore-quantity improvement


Download PDF Factsheet