Bypass Filters: BU series

Bypass Filters:
Typical applications

  • All sorts of hydraulic systems with continuous pressure and fitted with servo-valves or proportional valves, or  other high-tech hydraulic equipment.
  • Typical application: Plastic Injection moulding machines
  • Mobile hydraulic equipment, like excavators, cranes, container lifts, logging harvesters, piling machines, drilling machinery, etc.
  • Die-casting machines, metal working machines, like bending-, cutting-, punching machines.

Case studies
involving bypass filters

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Industries where you can use the BU Series


Our 40 years of experience keep us in the forefront for maintenance of marine machinery.

Wind energy

The wind power generation industry is growing a phenomenal rates all over the world.


Test benches and Skydrol oil, but also airport equipment are typical Triple R applications.


Railway maintenance systems are very sophiticated hydraulic machinery.

Construction machinery

Triple R has a long and intensive cooperation with the construction machine market.

Paper industry

Triple R meets the challenges of the pulp and Paper Industry by providing depth filters and purification systems.

Steel & Iron

Triple R fluid purification systems serve steel and other manufacturers.

Car Manufacturers

Triple R has a long record of providing auto manufacturers with a wide range of filter products.

Hydraulic Systems

Hydraulic systems have always been our core business.

Contact Us for Comprehensive Solutions

Experience our top-notch filtration and oil cleaning solutions designed to meet your specific needs. Our dedicated team is ready to assist you with any inquiries, technical support, or scheduling consultations.

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SE Series

These bypass filters have their own motor and pump, so they can filter your oil 24/24h.

Triple R filter: SE Series bypass filter with motor and pump.
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SS Series

Looking for oil filtration on a bigger scale? The SS Series are build for larger volumes .

Triple R filters: SS Series Compact build carbon steel housings, containing 2–6 filter elements
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OSCA Series

These bypass oil filters are similar to the SS series, for larger volumes but we made them mobile.

Triple R Filters: OSCA series. Mobile off-line bypass oil cleaners for high flow rates and for large tank volumes.