Fifty years of compressor parts, written down.
Practical articles on filters, separators, valves and lubricants for rotary screw compressors. Written by the family that has made compressor filters since 1974.
Mineral vs Synthetic Compressor Oil: The Real Operating Cost
In the compressed air industry, the purchase price of lubricant is often the first number people look at. However, the real cost of compressor oil is not the price per liter — it is the cost per operating hour . To…
Oil-Soluble PAG Technology for Rotary Screw Compressors: A Smarter Lubrication Upgrade
Oil-Soluble PAG technology combines the thermal stability and varnish control of traditional PAG lubricants with full miscibility with mineral oil and PAO. This breakthrough allows operators to upgrade rotary screw…
Three Generations, One Mission — Redefining the Compressor Parts Industry
Discover the story behind OCP Europe — three generations in the compressed air industry, from filter manufacturing in 1974 to global production partnerships and engineering
Learn how varnish affects your compressor
Varnish is one of the most overlooked threats inside rotary screw compressors. Formed by lubricant oxidation and thermal stress, these hard deposits reduce heat transfer, increase operating temperatures and compromise…
OCP Parts vs OEM — What Really Determines Compressor Reliability
Why do some aftermarket parts fail and others last? What OCP tests, how parts work as a system, and what "meet or exceed OEM specifications" means in
OCP Oil Ultra 8000-46 — The Next Generation of Compressor Lubrication
OCP Oil Ultra 8000-46 is a high-performance hybrid synthetic compressor lubricant engineered for varnish-free operation, extended drain intervals up to 8,000 hours, and universal compatibility. Designed for heavy-duty…
Air Filters in Screw Compressors — Efficiency, Pressure Drop, and Best Replacement Practices
The air filter is the first line of defense in a rotary screw compressor. Discover how proper filtration protects rotors and bearings, reduces energy consumption, prevents oil contamination, and extends the lifespan of…
Oil Filters in Screw Compressors — Function, Warning Signs, and Replacement Best Practices
The oil filter protects the entire lubrication circuit of a rotary screw compressor. Learn how it works, how to detect clogging or bypass activation, and why timely replacement prevents overheating, wear, and costly…
Oil Separator Failure Symptoms and Maintenance Guide for Screw Compressors
The air-oil separator is critical to compressor efficiency and air purity. Learn how it works, how to monitor differential pressure (ΔP), identify early failure signs, and prevent energy loss, overheating, and oil…
Line Filters and Coalescing Housings: The Unsung Heroes of Clean Compressed Air
Line filters and coalescing housings are essential for delivering clean, dry, and oil-free compressed air. Learn how they remove contaminants, support ISO 8573-1 compliance, reduce pressure drop, and protect your…
Understanding the Key Valves in Screw Compressors — Functions, Failures, and Maintenance
Valves are the control core of a rotary screw compressor, regulating pressure, temperature, and airflow. Discover how key compressor valves work, common failure symptoms, and how proper maintenance prevents energy loss,…
How to Ensure Air Quality in Industrial Compressed Air Systems
Compressed air quality directly impacts product integrity, equipment reliability, and ISO compliance. Learn how contaminants enter your system, how ISO 8573-1 defines purity classes, and how proper filtration and air…
How to Improve the Energy Efficiency of Your Screw Compressor
Energy accounts for up to 80% of a screw compressor’s total cost of ownership. Discover practical strategies to reduce power consumption, eliminate waste, optimize system performance, and lower operating costs through…
The Importance of Using the Right Lubricant in Screw Compressors
Compressor lubricant is not just a consumable — it is a critical performance component. Learn how the right oil improves efficiency, prevents varnish and overheating, reduces downtime, and extends the lifespan of your…
How to Identify and Replace the Oil Separator in Your Screw Compressor
Oil separators are critical to the efficiency and reliability of rotary screw compressors. Learn how they work, how to identify failure signs, and how to select the right replacement to protect your system, reduce…
The Importance of Preventive Maintenance in Air Compressors
Preventive maintenance is essential to avoid costly breakdowns in industrial air compressors. This article explains how filters—air, oil, and air-oil separators—directly impact system performance, energy efficiency, and…