The GEA Westfalia OSA-20-0136-066 is a self-cleaning disc-stack centrifugal oil separator designed for the continuous purification of oils by removing water, solids and sludge from oil streams. It uses centrifugal force to improve oil quality and protect machinery.
GEA Westfalia OSA-20-0136-066
Marine Uses
1. Fuel Oil Purification
Used to clean fuel before it is burned in engines:
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Marine diesel oil (MDO)
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Marine gas oil (MGO)
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Heavy fuel oil (HFO) (when appropriately heated/conditioned)
Benefits onboard ships:
✔ Removes water and sediment
✔ Protects fuel pumps, injectors and engine components
✔ Improves combustion efficiency
✔ Reduces unplanned engine shutdowns
Typical installations:
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Main engine fuel line
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Auxiliary engine fuel systems
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Generator set fuel supply
2. Lubricating Oil Conditioning
Used for purifying lube oil in:
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Main engines
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Auxiliary engines
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Gearboxes
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Turbochargers
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Stern tube lubrication
Benefits:
✔ Prolongs oil life
✔ Reduces wear on journals and bearings
✔ Improves overall reliability and performance of critical components
3. Continuous Engine Room Oil Management
The OSA-20-0136-066 runs 24/7 in engine rooms with minimal supervision, making it suitable for:
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Merchant ships
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Tankers
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Bulk carriers
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Offshore support vessels
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Fishing vessels
It helps maintain consistent oil quality even under long voyages or heavy duty.
Industrial Uses
1. Power Generation
Used in power plants for:
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Fuel handling systems (cleaning diesel used in generators)
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Lube oil systems on turbine and diesel generators
Benefits:
✔ Ensures stable fuel quality
✔ Reduces fuel treatment costs
✔ Improves turbine/generator reliability
2. Heavy Machinery & Production Equipment
Industrial machines that rely on clean oil to operate efficiently include:
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Compressors
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Hydraulics systems
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Gearboxes and reducers
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Large pumps and motors
Benefits:
✔ Reduces equipment wear
✔ Lowers frequency of oil replacement
✔ Improves uptime and plant productivity
3. Oil Reconditioning & Storage Tanks
Used as a conditioning step for:
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Stored fuel and lubricants
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Waste oil before recycling
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Oils that have absorbed moisture or contaminants during storage
Benefits:
✔ Restores degraded oil quality
✔ Reduces disposal volume/costs
✔ Extends service life of stored oils
Common Oil Types Treated
| Application | Oils Treated |
|---|---|
| Marine engines | MDO, MGO, Diesel, Light fuel oil |
| Industrial machinery | Hydraulic oil, lubricating oil |
| Generators | Diesel fuel, turbine oil |
| Oil storage | Tank bottoms, reclaimed oils |
Core Advantages of Using OSA-20-0136-066
✔ Automatic, continuous separation — no need for frequent manual cleaning
✔ Improves machinery reliability — cleaner oil = less wear
✔ Reduces maintenance cost — fewer oil changes and less downtime
✔ Versatile & robust — suitable for harsh marine and industrial environments
✔ Easy integration — pressure discharge allows smooth piping into systems
We are not an official distributor of GEA Westfalia Spares.




