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High Velocity Oil & Fuel Flushing

Recognized as best practice for pre-commissioning and maintenance of hydraulic, lubrication, and fuel oil systems

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High Velocity Oil & Fuel Flushing

Recognized as best practice for pre-commissioning and maintenance of hydraulic, lubrication, and fuel oil systems

High Velocity Oil Flush

Welding slag, dirt, debris, and water often contaminate the inside of the tubing and piping of critical hydraulic oil and lube oil systems. If left unchecked, this contamination can cause premature wear and/or catastrophic failure of rotating equipment. For this reason, High Velocity Oil Flushing is considered a best practice across many industries during:

 

  • Pre-Commissioning

  • Routine Maintenance

  • Scheduled Turnarounds

  • Emergency Outages
     

OFS manufactures and utilizes state-of-the-art high flow flushing equipment to achieve “turbulent flow” and a Reynolds Number of >4000 to effectively “flush” all contamination out of the piping. At the same time, high-efficiency pleated microglass filter elements rated Beta>1000 are used to capture and remove all of that contamination, quickly meeting or exceeding stringent cleanliness specifications established by leading OEMs (including GE, Solar, Siemens, etc.).

All of our field service technicians have extensive safety training and credentials. SAFETY IS OUR #1 PRIORITY!

High Velocity Fuel Flush

Modern tier 2, tier 3, and tier 4 diesel engines have fuel injectors with extremely tight clearances, so even super fine particulate contamination in the diesel fuel (10-micron and smaller) can cause inefficient operation as well as premature wear and failure of the fuel injectors. For this reason, it is very important that all fuel piping leading from bulk fuel tanks to large diesel generators be properly “flushed” to remove entrained welding slag, dust, dirt, debris, and moisture. High Velocity Fuel Flushing is considered a best practice across many industries during:

  • Hospitals

  • Data Centers

  • Power Plants

 

OFS manufactures and utilizes state-of-the-art high flow flushing equipment to achieve “turbulent flow” and a Reynolds Number of >4000 to effectively “flush” all contamination out of the piping. At the same time, high-efficiency pleated microglass filter elements rated Beta>1000 are used to capture and remove all of that contamination, quickly meeting or exceeding stringent cleanliness specifications established by leading OEMs (including Caterpillar, Cummins, Wartsila, etc.).

Thermal Transfer Fluid Flush

Sludge, solids, and other contaminants often accumulate within the piping of thermal transfer systems, adversely affecting their thermal conductivity and overall performance. Utilizing specialized cleaning agents, flush procedures, and state-of-the-art flushing equipment, OFS can quickly clean the entire system and restore it to “like new” condition and performance.

EHC Fluid Flush

OFS manufacturers and uses specialty flushing equipment designed for use with phosphate ester and other synthetic EHC fluids (including Fyrquel®).

Resources

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Basics of High Velocity Oil Flushing

High Velocity Oil Flushing is an essential process to ensure optimal reliability of critical components within the lube oil systems of rotating equipment and hydraulic systems.  This case study gives a definition of terms (like “Turbulent Flow” and “Reynolds Number”) as they pertain to lube and hydraulic oil piping, and it explains why High Velocity Oil Flushing is such an important process for maintenance and reliability professionals at the plant level. It also gives answers to some frequently asked questions and discusses various “best practices” and procedures associated with the proper configuration and execution of a High Velocity Oil Flush.

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Fundamentals of High Velocity Oil Flushing

High Velocity Oil Flushing (HVOF) is performed to remove contaminants from the piping and tubing of critical hydraulic and lube oil systems. It is an essential maintenance process that is designed to extend the life of rotating equipment, keeping turbines, compressors, engines, etc., operating at their optimal level and improving their overall reliability. 

Contact Us

135 Enterprise Parkway

Boerne, Texas 78006

(830) 816-3332

 

Emergency Service Call
(800) 449-0262

Emergency Service Call
(800) 449-0262

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info@oilfiltrationsystems.com
Tel. +1 (830) 816-3332

135 Enterprise Parkway

Boerne, Texas 78006

© 2025 Oil Filtration Systems.

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