CASE STUDY: R3-7 – Filtration of machining cooling lubricant


The following analysis case consists of a centralized cooling lubricant treatment system for the production of pistons in the automotive industry. This system requires a microfiltration of the metal particles upstream of the high pressure branch.

Four automatic backflush Filtration Group R3-7 filters (replace AF 179) have been introduced, downstream of the gravity pre-separation system, for the microfiltration (< 40 μm) of these low viscosity emulsions.

This leads to a series of important advantages:

  • – high compatibility and flexibility
  • – reduced maintenance
  • – continuous filtration
  • – long life of the filter elements



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For over 30 years Lubropoint identified alternative industrial solutions dedicated to medium and large industries. To ensure customers the best products in the field of high-performance hybrid technologies and industrial filtrations Lubropoint studies the market carefully.