A kidney loop oil filtration system is an advanced oil purification solution designed to continuously remove contaminants, water, and wear particles from lubricating oil used in industrial machinery. Lubricating oil is vulnerable to contamination from dust, water ingress, metal particles, fuel dilution, and other debris generated during equipment operation.
Contaminated oil increases friction, accelerates component wear, reduces machine efficiency, and shortens equipment life. A kidney loop filtration system helps maintain oil cleanliness by continuously circulating oil through a dedicated filtration unit, ensuring optimal lubricant performance and equipment reliability. A properly designed oil kidney loop system is a critical part of predictive and preventive maintenance programmes, helping organisations reduce maintenance costs, extend oil life, and improve equipment availability.Send in your Enquiry for a Quote
Neptunus offers a high-performance kidney loop oil filtration system designed for continuous oil purification in industrial and marine applications. The system effectively removes particulate contamination, water, varnish precursors, and other harmful impurities that affect oil quality and machine performance.
Our kidney lube filtration system draws oil from the reservoir, processes it through highly efficient filtration media, and returns the cleaned oil back to the reservoir. Since the filtration process operates independently of the machine’s primary lubrication circuit, it functions under ideal conditions with low flow rates, stable pressure, and minimal stress on filtration components.
This dedicated kidney loop filtration machine continuously improves oil cleanliness without interfering with equipment operation.Send in your Enquiry for a Quote
| Kidney Loop Filtration System | Online Filtration System | |
|---|---|---|
| Process | Circulates a small amount of fluid from the main system through a filter and back into the main system | Filters and cleans fluids in real-time as they are being used |
| Impact on Machine | Does not hinder the equipment’s operation | Causes resistance for oil flow to equipment’s internal components |
| Damage to Machine | Offline filtration system doesn’t cause resistance to oil flow inside equipment’s internal components | Damage to filtration system or choking of filters can cause oil starvation and seize the equipment |
| Type | It is an offline filtration system | It is an online filtration system |
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| MODEL | SE100-ST-1R |
|---|---|
| Oil Sump Capacity | Upto 500 Litres |
| Flow rate | 2 l/m |
| Motor | 230Vx1 or 400Vx3, 50/60Hz |
| Power | 0,12 kW (230V) – 0,18 kW (400V) |
| Thread In/Out | 1/2’’ IN and OUT |
| Element type | 100 size, M – E – X – D – WE type |
| No of elements | 1 |
| Max pressure | Pressure relief set at 6.0 bar |
| Weight kg | 17.4 |
| Dimension mm | 385 x 230 x 460 |
| MODEL | SE100-ST-2R |
|---|---|
| Oil Sump Capacity | 500 – 1000 liters |
| Flow rate | 5 l/m |
| Motor | 230Vx1 or 400Vx3, 50/60Hz |
| Power | 0,12 kW (230V) – 0,18 kW (400V) |
| Thread In/Out | 1/2’’ IN and OUT |
| Element type | 100 size, M – E – X – D – WE type |
| No of elements | 2 |
| Max pressure | Pressure relief set at 6.0 bar |
| Weight kg | 23 |
| Dimension mm | 470 x 400 x 370 |
| MODEL | SE100-ST-3R |
|---|---|
| Oil Sump Capacity | 1000 – 2000 liters |
| Flow rate | 5-8 l/m |
| Motor | 230Vx1 or 400Vx3, 50/60Hz |
| Power | 0,12 kW (230V) – 0,18 kW (400V) |
| Thread In/Out | 1/2’’ IN and OUT |
| Element type | 100 size, M – E – X – D – WE type |
| No of elements | 3 |
| Max pressure | Pressure relief set at 6.0 bar |
| Weight kg | 42 |
| Dimension mm | 700 × 630 × 470 |
| MODEL | SE100-ST-4R |
|---|---|
| Oil Sump Capacity | 3000 liters and above |
| Flow rate | 8-10 l/m |
| Motor | 230Vx1 or 400Vx3, 50/60Hz |
| Power | 0,12 kW (230V) – 0,18 kW (400V) |
| Thread In/Out | 1/2’’ IN and OUT |
| Element type | 100 size, M – E – X – D – WE type |
| No of elements | 4 |
| Max pressure | Pressure relief set at 6.0 bar |
| Weight kg | 50 |
| Dimension mm | 1043 × 405 × 470 |
Absolute or nominal filter ratings for oil
maintenance is often imprecise, making it difficult to determine the exact level of filtration needed to maintain consistent oil quality.
If oil maintenance is not carried out regularly , there is a risk of excessive wear and tear of components, which can lead to costly repairs and downtime.
Changing oil too frequently can be expensive and time-consuming, especially if the equipment is in constant use.
Poor oil maintenance can reduce energy
efficiency and increase costs due to increased friction and heat.
Due to higher energy consumption and more frequent oil changes, inferior oil maintenance can also raise the carbon footprint of a piece of machinery. .
Kidney loop filtration systems, also known as offline filtration systems, draw oil from the oil reservoir and deliver it back to the reservoir after filtration. This helps in enhancing efficiency as it operates under below-ideal conditions such as reduced flow, minimal pressure, and no stress from flow and pressure pulsations.
Its continuous operation guarantees uninterrupted equipment functionality, reducing downtime and maintenance costs while extending the lifespan of critical assets. With Neptunus’ innovative technology, industries can rely on consistently clean oil for enhanced productivity and reliability in their operations
The continuous cleaning oil ensures
that the oil is always in condition. This helps to prevent the buildup of contaminants in the machinery, which can lead to decreased performance.
Our filtration system is designed to
perform in-depth cleaning of oil, which means that it can remove even the smallest particles from the oil. This is important because even tiny particles can cause significant damage to machinery over time.
Purifies the oil continuously upto 3μ )with ß3 >400 (99.75% efficiency) , along with preventing oil oxidation which results in a minimum of 2x to 5x increase in oil life.
Our filtration system is not limited to
removing just particulate contaminants like wear debris, dust, and sand; it can also remove water and other fluid contamination, like fuel, from the oil.
This is important because water can cause corrosion and other issues in machinery, which can lead to premature failure
By keeping the oil clean and free of
contaminants, our filtration system can help increase the overall life of the asset and the life of individual components substantially.
Because our filtration system keeps the oil clean and in optimal condition, it reduces the need for maintenance and downtime. This means that businesses can keep the machinery running smoothly and reduce the costs associated with maintenance and repairs.
| Kidney Loop Filtration System | Online Filtration System | |
|---|---|---|
| Process | Circulates a small amount of fluid from the main system through a filter and back into the main system. | Filters and cleans fluids in real-time as they are being used. |
| Impact On Machine | Does not hinder the equipment’s operation. | Causes resistance for oil flow to equipment’s internal components. |
| Damage To Machine | The offline filtration system doesn’t cause resistance to oil flow inside equipment’s internal components. | Damage to the filtration system or choking of filters can cause oil starvation and seize the equipment. |
| Type | It is an offline filtration system. | It is an online filtration system. |
The working principle of a kidney loop oil filtration system involves diverting a portion of the oil from the main reservoir, passing it through specialized filtration mechanisms, and returning it to enhance machinery reliability and longevity. The detailed process of the kidney loop (offline) filtration system is as follows:
The kidney loop filter system begins by drawing a portion of the oil from the main reservoir or sump of the machinery using a pump or other extraction mechanism.
The extracted oil is then passed through filtration components such as micron filters. These filters are designed to remove contaminants such as dirt, metal particles, water, and other impurities from the oil.
Within the filtration system, various techniques are employed to separate contaminants from the oil.
The filtration process traps contaminants within the filter media, preventing them from re-entering the oil stream.
Some kidney loop filtration systems incorporate an oil condition monitoring system with sensors to monitor and assess the cleanliness and quality of the filtered oil. This step helps in determining the effectiveness of the filtration process and identifying any potential issues with the machinery.
After filtration, the cleaned oil is returned to the main reservoir or sump of the machinery, where it can continue to lubricate and protect the various components.
The kidney loop filtration system operates continuously, constantly circulating a portion of the oil through the filtration process to maintain optimal cleanliness and quality.
Our oil filtration solution is designed to be versatile, effective on any type of oil in any application, and able to detect all types of wear and contamination. The following are the major applications of our oil filtration system.
| MODEL | SE100-ST-1R |
|---|---|
| Oil Sump Capacity | Upto 500 Litres |
| Flow rate | 2 l/m |
| Motor | 230Vx1 or 400Vx3, 50/60Hz |
| Power | 0,12 kW (230V) – 0,18 kW (400V) |
| Thread In/Out | 1/2’’ IN and OUT |
| Element type | 100 size, M – E – X – D – WE type |
| No of elements | 1 |
| Max pressure | Pressure relief set at 6.0 bar |
| Weight kg | 17.4 |
| Dimension mm | 385 x 230 x 460 |
| MODEL | SE100-ST-2R |
|---|---|
| Oil Sump Capacity | 500 – 1000 liters |
| Flow rate | 5 l/m |
| Motor | 230Vx1 or 400Vx3, 50/60Hz |
| Power | 0,12 kW (230V) – 0,18 kW (400V) |
| Thread In/Out | 1/2’’ IN and OUT |
| Element type | 100 size, M – E – X – D – WE type |
| No of elements | 2 |
| Max pressure | Pressure relief set at 6.0 bar |
| Weight kg | 23 |
| Dimension mm | 470 x 400 x 370 |
| MODEL | SE100-ST-3R |
|---|---|
| Oil Sump Capacity | 1000 – 2000 liters |
| Flow rate | 5-8 l/m |
| Motor | 230Vx1 or 400Vx3, 50/60Hz |
| Power | 0,12 kW (230V) – 0,18 kW (400V) |
| Thread In/Out | 1/2’’ IN and OUT |
| Element type | 100 size, M – E – X – D – WE type |
| No of elements | 3 |
| Max pressure | Pressure relief set at 6.0 bar |
| Weight kg | 42 |
| Dimension mm | 700*630*470 |
| MODEL | SE100-ST-4R |
|---|---|
| Oil Sump Capacity | 3000 liters and above |
| Flow rate | 8-10 l/m |
| Motor | 230Vx1 or 400Vx3, 50/60Hz |
| Power | 0,12 kW (230V) – 0,18 kW (400V) |
| Thread In/Out | 1/2’’ IN and OUT |
| Element type | 100 size, M – E – X – D – WE type |
| No of elements | 4 |
| Max pressure | Pressure relief set at 6.0 bar |
| Weight kg | 50 |
| Dimension mm | 1043*405*470 |
Oil filtration systems are essential for maintaining clean oil, but they don’t address the critical issue of detecting problems in the oil or the machine components it lubricates. Without effective detection, machines can suffer severe damage, leading to costly repairs and downtime.
That’s where our Oil Quality Management Solution (OQMS) comes in Picture.Â
With OQMS’ oil condition monitoring, you can detect potential issues before they cause significant harm, ensuring the reliability of both your oil and your machine. OQMS is the ultimate solution for increasing the longevity and efficiency of your equipment while reducing maintenance costs.
Trend monitoring can be a more efficient and effective approach to maintenance compared to other methods, as it enables maintenance teams to identify potential issues by analyzing data patterns and insights. Unlike other methods, trend monitoring relies on a proactive and data-driven maintenance strategy.
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