"> Alfa Laval S.p.A. WHPX-405-LubeOil
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Alfa Laval S.p.A.

WHPX-405-LubeOil

The Alfa Laval S.p.A. WHPX-405-LubeOil is a legacy high-speed disc-stack oil separator applied to lubricating-oil cleaning. It is normally connected to a main-engine, auxiliary-engine, turbine or machinery lubricating-oil system through a dedicated treatment loop or settling arrangement. Centrifugal separation removes suspended solids and, when the bowl is arranged for purification, free water from the lubricating oil. Continuous or periodic cleaning reduces the contaminant load carried back to bearings, journals and other lubricated machinery components. The WHPX family was used for marine and industrial oil separation; exact bowl and sludge-discharge arrangements vary between specifications and should be verified from the machine documentation. The WHPX-405-LubeOil is identified in the library specifically for lubricating-oil duty, so its process setup should not be assumed to match a fuel-oil variant with the same basic separator designation. Exact oil compatibility, capacity, temperature, bowl setup and maintenance limits must be confirmed in the manufacturer documentation.

Alfa Laval S.p.A. WHPX-405-LubeOil

Components & Design

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Technical Data

Model number WHPX-405-LubeOil
Capacity (HFO) 3150 l/h
Capacity (lube oil) 2520 l/h
Bowl diameter 370 mm
Motor power 7.5 kW
Application water-cooled HFO purifier, optimised for lubricating oil cleaning
Drive type Direct / gear-driven
Bowl type Self-cleaning disc-stack
Fuel type optimised Lube oil
Capacity (at optimum fuel) 2520 l/h

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Common failures & inspection points

●Sludge, carbonaceous material or wear debris accumulating in the bowl or disc stack, producing declining oil cleanliness, restriction or vibration
●Water entering the lubricating-oil system faster than it can be separated, producing cloudy oil or persistent downstream water contamination
●Incorrect bowl assembly or separation setup after cleaning, producing ineffective purification or unstable outlet behaviour
●Worn spindle, bearings or drive components, producing vibration, abnormal mechanical noise or unstable running
●Failed seals, blocked passages or operating-water/discharge faults where fitted, producing oil leakage, cross-flow or incomplete separation

Service & Maintenance

Inspect retained sludge for abnormal metallic particles or other debris that may indicate wear elsewhere in the machinery system. Clean the bowl, disc stack and passages and check for corrosion, erosion or damage. Verify bowl assembly, spindle condition, bearings, drive components, seals and any discharge or operating-water system fitted to the separator. Check cleaned-oil condition and separator vibration after reassembly. Use the exact manufacturer manual for wear limits, service intervals, assembly values and operating settings.

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Replacement Parts

Keep the correct serial-number-specific service kit, especially seals and O-rings disturbed during bowl servicing. Additional onboard stock may include selected bearings, drive items, bowl seals and control or discharge components where fitted. Separate and identify spares for similar-looking fuel-oil and lube-oil separators unless interchangeability is confirmed by Alfa Laval documentation.
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Equipment Model #153248 · ✓ still in production