Table of Contents
The Alfa Laval MAB 103 Centrifuge is a solid-retaining (aka solid bowl; manual-clean), disc-stack centrifuge ideal for the continuous, three-phase separation of fuels, such as diesel, biodiesel, and turbine lube oil.
With a 1 HP Motor, the MAB 103 centrifuge has a bowl RPM of 8,600 and can process 3 GPM of Diesel Fuel or 1 GPM of Turbine Lube Oil.
| Centrifuge Model | Alfa Laval MAB 103 B 24-60 |
| Capacity - Diesel | 3 GPM on 13 cSt Diesel Fuel |
| Capacity - Turbine Lube Oil | 2.5 GPM |
| Capacity - Hydraulic Oil | 2 GPM |
| Sludge Space | 0.14 Gallons |
| Bowl Speed | 8,600 RPM |
| Net Weight | 250 Lbs. |
| Dimensions | 24" x 30" x 26" (Bare Centrifuge) |
| Motor Power | 1 HP |
| Voltages | 230 / 460 V or 110 V Single Phase |
The Alfa Laval MAB 103 is designed for mineral oil and fuel separation applications. Therefore, the material used in its construction is well suited for such uses. The following table lists the various components of the centrifuge and the material it is made of.
| Bowl Body & Bowl Hood | 316L Duplex Stainless Steel |
| Disc Stack | 316L Duplex Stainless Steel |
| Distributor or Disc Carrier | Marine Grade Bronze or 316 Stainless Steel (Special Order) |
| Top Disc | Marine Grade Bronze or 316 Stainless Steel (Special Order) |
| Top Covers (Collecting) | Silium (Aluminum Alloy) |
| Frame | Nodular Cast Iron |
The Alfa Laval MAB-103 is a purifier type disc-stack centrifuge. It is designed to separate water (moisture) and fine sediment from mineral oil and lubricating oil. It is primarily used for purifying fuels such as diesel, kerosene, etc.
The MAB-103 is also used for separating water and fine sediment from lubricating oil, hydraulic oil, and other mineral oils.
The installation of the MAB-103 centrifuge in hazardous areas requires the centrifuge system to be specially designed and configured with an explosion proof motor, direct-drive transmission (replace friction clutch) and classified field sensors.
The control system upgrade includes a NEMA 7 electrical enclosure, cables, conduits, and glands suitable for the specific zone of the centrifuge installation.
We configure our MAB-103 centrifuge similar to the Alfa Laval OCM-103-Ex configuration with explosion-proof ATEX Zone II for offshore applications.
The MAB 103 centrifuge needs modifications for specific applications such as hazardous area installation, processing of water based fluids, oil or fuel. The following is a list of common modifications by Dolphin Centrifuge based on the specific application.
| Centrifuge Modification | Application / Purpose |
| Direct Drive (Replace Friction Clutch) | Explosion Proof Configuration |
| Non-Sparking Friction Blocks | Explosion Proof Configuration |
| Pump Reconfiguration (Capacity) | Lube Oil to Light Fuel OR Light Fuel to Lube Oil |
| Seals Elastomer (Viton / EPDM) | Biodiesel, Hemp Ethanol, Corrosive Chemicals, etc. |
| Gear Pump Replacement | Water Based Fluids (Steel Gear Pump not Suitable) |
| Operating Frequency Conversion | Adapt to Operating Voltage Frequency (50 or 60 Hz) |
| Special Motor Adaptation | Single Phase (110 V or 220 V) Voltage Application |
| Bowl Parts Material Upgrade | Convert Bowl Parts to Stainless Steel (Aqueous Ammonia) |
| Purifier to Clarifier | Convert from 3-Phase to 2-Phase Mode (Clarifier) |
The fuel or mineral oil is fed into the rotating bowl of the MAB-103 centrifuge. The bowl exerts a high g-force (8,500 Gs) on the process fluid. The centrifugal force causes rapid sedimentation of the solid particles down to 0.5 Microns.
This separated sludge should be manually evacuated by the operator. The heavy phase (water) phase also settles out and exist the bowl through the separate outlet.
The Alfa Laval WSB 203 Centrifuge is a solid-retaining (aka solid bowl; manual-clean), disc-stack centrifuge ideal for the continuous, three-phase separation of water-based industrial fluids like machining coolant and washer fluid.
With a 1 HP Motor, the WSB 203 centrifuge has a bowl RPM of 8,600 and can process 1 GPM of water-based synthetic coolant.
| Model Type | Alfa Laval WSB 203 70 |
| Rated Capacity | 1 GPM on Parts Washer Fluid |
| Sludge Space | 0.14 Gallons |
| Motor HP | 1 HP |
| Voltages | 230 / 460 V |
The Alfa Laval WSB 203 is designed for mineral oil and fuel separation applications. Therefore, the material used in its construction is well suited for such uses. The following table lists the various components of the centrifuge and the material it is made of.
| Bowl Body & Bowl Hood | 316L Duplex Stainless Steel |
| Disc Stack | 316L Duplex Stainless Steel |
| Distributor or Disc Carrier | 316L Duplex Stainless Steel |
| Top Disc | 316L Duplex Stainless Steel |
| Top Covers (Collecting) | Silium (Aluminum Alloy) |
| Frame | Nodular Cast Iron |
The Alfa Laval WSB-203 is a concentrator version of the MAB-103 disc-stack centrifuge. It is specifically designed to concentrate oil from water-based industrial fluids such as machine coolant, washer fluid, parts washer solvent, water-soluble cutting oils, de-oiling of split emulsions, etc.
The process fluid is fed to the rotating centrifuge bowl from the top (1) and is sped-up in the distributor (2). It then enters the disc stack (3), and it is between the discs that the separation occurs.
The high centrifugal force pushes the water-based fluid and heavy solids to the bowl wall. The solids accumulate here, and the water-based fluid travels over the top disc (4) and exits the bowl through the open outlet (5). The oil (light phase) is moved towards the bowl center and exits the bowl through the open outlet (6).
The centrifuge needs to be periodically stopped for manual removal of separated solids.
The rotating bowl assembly is mounted on a vertical 'bowl-spindle' (7). A horizontally mounted motor rotates the spindle via a worm-gear.
Dolphin Centrifuge has supplied the Alfa Laval MAB 103 centrifuge for a multitude of applications. The images below show some commonly sold configurations.
 Mobile Turbine Lube Oil Module |  Hydraulic Oil Mobile Cart |  Offshore Explosion Proof Diesel Skids |
 Compressor Oil – Explosion Proof |  Steam Turbine Lube Oil Trolley |  Steam Turbine Lube Oil Cart |