An oil separator removes compressor oil from discharge gas and returns it to the compressor.
Size it by refrigerant and capacity. Fit it close to the compressor.
What is an oil separator?
An oil separator is fitted in the discharge line of a refrigeration compressor. It removes oil carried out with the hot refrigerant gas and returns it to the compressor crankcase.
Keeping oil in the compressor improves lubrication and stops oil logging in condensers and evaporators. Therefore, oil separators are common on low temperature and multi-compressor systems.
Further reading
- Vapour-compression refrigeration (Wikipedia)
- Compressors (Wikipedia)
- Refrigeration (Wikipedia)
Key terms explained
- Discharge line
- The pipe carrying hot gas from the compressor to the condenser.
- Oil return
- Sending separated oil back to the compressor.
- Oil logging
- Oil collecting in coils and reducing performance.
Features and benefits
- Removes oil from discharge gas.
- Returns oil to the compressor.
- Improves heat exchanger performance.
- Sizes for common capacities.
Technical specifications
| Product | Oil separator |
|---|---|
| Connections | Confirm with quote |
| Capacity and refrigerant | Confirm with quote |
| Supplier | Sparks Plumbing Experts Ltd, Nairobi |
| Supplier | Sparks Plumbing Experts Ltd, Nairobi |
Sizes, grades and ratings depend on stock and model. Tell us what you need, and we will confirm before you order.
Applications of an oil separator
- Low temperature systems. Freezer rooms and blast freezers.
- Multi-compressor racks. Supermarket plant.
- Long pipe runs. Systems with long lines.
- Chillers. Some screw chillers.
- Cold rooms. Larger units.
- Ice plants. Ice production.
- Industrial refrigeration. Process cooling.
- Retrofits. Adding to problem systems.
How to choose and install
- Size by refrigerant and capacity.
- Fit close to the compressor discharge.
- Pre-charge with the correct oil if required.
- Check the float and return line during service.
Why choose Sparks Plumbing Experts
- Fans in several sizesInline duct fans and box fans come in a range of diameters, so you can match airflow to the room.
- PVC and metal optionsChoose corrosion-resistant PVC for humid rooms or metal housings for tougher conditions.
- Grilles and diffusers tooDiffusers, louvers and grilles finish the system you are ventilating.
- Sizing guidanceTell us the room size and duct route, and we help you pick a fan with enough airflow.
- Visit or collect in NairobiOur store is at KCB Building, Enterprise Road, in the Industrial Area, so you can see parts before you buy or collect your order.
- Quotes your wayAsk for prices by phone, WhatsApp, email or the online quote form, whichever suits you on site.
- Over 1,600 products in one placeOur catalogue covers 55 categories, so one supplier can handle most of your parts list.
- Help choosing the right partSend a nameplate photo, a drawing or the old part, and we help you match size and specification.
- Single items or project quantitiesWe price a single replacement part just as readily as a full site order.
- Supply across East AfricaWe serve customers across Kenya, and we also supply buyers in Uganda and Tanzania.
Related products and accessories
Browse more: HVAC · Compressors · Refrigeration Oils · AC and refrigeration tools.
Ordering from Sparks Plumbing Experts
We supply customers across Kenya, and we also serve buyers in Uganda and Tanzania. You can collect from our store at KCB Building, Enterprise Road, Nairobi, or ask us about delivery to your site. Send your quantities and specifications, and we will reply with prices and availability.
Request a Quote WhatsApp 0726 086 895
Frequently asked questions
What details do you need to quote oil separators?
Tell us the refrigerant, capacity and connection size. A photo of the old part, a nameplate or a drawing also helps. Then call or WhatsApp 0726 086 895, or use the quote form on this page.
Do you deliver oil separators outside Nairobi?
Yes. We supply customers across Kenya, and we also serve buyers in Uganda and Tanzania. Delivery or courier arrangements are agreed when you confirm the order.
How much does a oil separator cost in Kenya?
The price depends on the refrigerant, capacity and connections. Therefore, send your list with a quote request and we will reply with current figures.
Does every system need one?
No. Mainly low temperature, rack and long line systems.
Does it need an oil charge?
Some models need a pre-charge. Follow the maker data.
Where is it installed?
In the discharge line near the compressor.
Can it fail?
A stuck float can return gas or hold oil. Check during service.
Which connections are available?
Solder or flare, depending on model.
People also search for
oil separator installation
Fit in the discharge line close to the compressor.
oil separator sizing
By refrigerant and capacity.
oil return problems
Long lines and low speeds trap oil.
Oil separator price in Kenya
Prices change with size, model and quantity. Request a quote from Sparks Plumbing Experts for current figures.
oil separator float
A float valve returns oil when the level rises.
when to use oil separator
Low temperature, multi-compressor and long line systems.
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