Separator/Purifier · Separators & Purifiers
MAB-200-MDO-Purifier by Alfa Laval S.p.A. is a high-speed centrifugal separator used to remove contamination from marine fuel or lubricating oil. It is normally installed in the purifier room or machinery space together with feed, heating where required, clean-oil discharge and sludge-handling arrangements. It belongs to Alfa Laval's MAB solids-retaining separator family, in which separated solids remain in the bowl until the machine is stopped and cleaned. This MDO-Purifier variant is configured for cleaning marine distillate fuel by separating water and particulate contamination. Reliable separation depends on correct feed condition, bowl speed, clean internal passages and the correct bowl configuration for the oil being treated. Unlike self-cleaning separator platforms, the MAB design relies on manual bowl cleaning and is suited to duties where this operating concept is acceptable.
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What our service work and the manufacturer documentation say about keeping this model running.
Monitor vibration, bearing condition, feed temperature where applicable and the quality of clean oil and separated water. Open and manually clean the solids-retaining bowl before sludge accumulation affects separation, inspecting the disc stack, seals, threads and drive components for damage. Confirm the installed purifier/clarifier arrangement and gravity-disc selection against the approved operating data after any fuel change. Survey attention includes guarding, overspeed protection where fitted, leakage, vibration history and evidence of correct bowl maintenance; refer to the manufacturer documentation for the exact figure.
Carry a complete bowl seal and O-ring kit, selected operating-water seals, bearings or drive wear parts according to the vessel's maintenance strategy, and the correct gravity/clarifier components for the installed duty. For critical separator plants, keep one planned-overhaul kit and the small locking, sealing and paring-disc items most likely to stop the machine after opening.
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