Process Filtration

Coolant Filter Belts

Sefar coolant filter belts provide efficient filtration of oil and emulsion, ensuring cleaner coolant, longer tool life, and reduced downtime in metalworking and related industries.


Extend Tool Life with Cleaner Coolant

  • Cleaner Coolant

    Improve surface quality and extend tool life by reducing coolant particle contamination.

  • More Efficient

    Tailor-made belts with fast, easy installation reduce downtime and ensure reliable filter performance.

PF Coolant

The Right Solution for Your Filtration Challenge

Sefar coolant filter belts are used for efficient filtration of oil and emulsion in metalworking and related industries. Our high-performance fabrics and closures ensure clean coolant, easy installation, and extended tool life.

Filter Media Technology

Sefar offers a broad range of filter media tailored to the specific needs of coolant filtration. From fine to coarse metal chips, our products cover all typical belt filter applications. Each fabric is engineered for reliable performance, high permeability, and compatibility with oil and emulsion-based coolants.

PF DLW Fabric

SEFAR TETEX DLW® is a double-layer weave for fine to large metal chips on large belts. The COOLANT version offers high air permeability for improved flow rate and resists delamination in emulsions, ensuring reliable, long-lasting performance.


Made to Fit.

Closure Systems

Closure Systems

Choose between robust metal clippers or flat, particle-tight synthetic closures. Both options ensure safe, reliable installation tailored to your process needs.

  • High Permeability
    Improves filtration capacity and achieves faster processing by enabling higher flow rates through the belt.
  • Maximized Number of Pores
    Delivers higher throughput and stable performance with consistently high filtration rates in coolant filtration.
  • Unique Particle Retention
    Ensures perfectly purified coolant, helping maintain surface quality and extend tool lifetime.
  • Smooth Fabric Surface
    Improves cake release during belt discharge, reducing clogging and keeping the filtration process efficient.
  • Easy Handling
    Thanks to Sefar® TOPSEAL
  • Superior Tracking Stability
    Supports longer belt life and reliable operation, helping to reduce maintenance and overall filtration costs.
     

Downloads

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    Process Filtration Overview

    Learn more about our process filtration solutions.

PF Metal working

Proven in Metalworking

Sefar is the leading manufacturer of ready-to-use belts for coolant filtration. We continue to partner with industry leaders to help metalworking and other sectors improve coolant clarity, reduce downtime, and enhance overall process performance.

PF Experts

Dedicated Support, Worldwide.

We support your operations with local expertise, reliable supply, and certified products designed to meet strict industry standards.

Global Reach, Local Expertise

Managing multi-site operations means dealing with shifting regulations, supply challenges, and cost pressure. With regional production hubs and vertically integrated manufacturing, we ensure reliable availability, consistent quality, and fast, expert support, wherever you operate.

Certified Performance, Built to Last

In regulated industries, material compliance and reliability are essential. By controlling every step, from yarn production to finished filters, we ensure consistent quality, full traceability, and certified solutions that reduce risk and support long-term process stability.
 

Learn More About Us

Get in Touch in Switzerland

Sefar Heiden

Hinterbissaustrasse 12 9410 Heiden


Enabling Life Essentials

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