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Oil cleaning - MMB and MAB/MMB

Oil cleaning - MMB and MAB/MMB
4Pages

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MMB Solids-retaining centrifugal separators Application Purification or clarification (optional) of mineral oils used in marine installations and power stations: • Distillates • Marine Diesel Oils MDO up to 13 cSt at 40°C • Lubricating oils for trunk diesel engines operating on distillates and light MDO • Lubricating oils for steam and gas turbines • Lubricating and hydraulic oils for hydroelectric power stations Concept The MMB series of solids-retaining separators is available in two models, the MMB 304 and MMB 305. Each MMB separation system comprises: • An MMB separator • Ancillary equipment consisting of connections and valve assembly MMB 305 solids-retaining separator. Optional equipment • Independent oil feed pump • Oil heating system, steam or electric • Water seal alarm MAWA-40 Features and benefits The unique features of the system are: • Compact, robust design • Internal paring disc for discharge of clean oil • Large sludge space • Belt-driven The major benefits are: • Easy to install. Requires limited space. • Pressurised discharge of clean oil. No need for downstream pump. • Fewer service manhours. Larger sludge space extends operating period between manual cleaning. • Lower maintenance and spare parts costs. Water seal alarm MAWA-40.

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System working principle Separation takes place in a solidsretaining, also known as a solid-wall, bowl that can be arranged for purification or clarification (optional). In both cases the contaminated oil is fed to the separator by a feed pump through the oil inlet and is separated by centrifugal force into its various phases. The heaviest phase, sludge, is forced to and deposited at the periphery of the bowl. Separated sludge is collected in the space at the periphery of the bowl and removed periodically by hand using the stainless steel sludge basket. The clean oil is continuously...

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Basic equipment • MMB separator • Sealing water inlet with hose nipple, non-return valve and constant flow valve with vacuum breaker • Set of gravity discs • Set of resilient mountings • Stainless steel sludge basket • Flexible hoses for: oil, water outlet and drain, and sealing water inlet • Intermediate service kit Standard design MMB 304/305 The MMB 304/305 series are solidsretaining separators that are identical in concept, with different throughput capacities. Each separator model comprises a frame, power transmission and bowl assembly. The lower frame houses the flat-belt power...

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Technical documentation Complete information and documentation accompany each separator system. After Sales support Alfa Laval’s Preventive Maintenance Program is available for the MMB 300 series. Alfa Laval service engineers are available to assist you with all types of maintenance and repair, and to help you train your personnel. The use of genuine Alfa Laval spare parts reduces down-time and repair costs. Spare parts kits can be ordered from Alfa Laval Marine Service Centers and stocked as single units. Throughput capacities The blue bars indicate range from minimum economical throughput...

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Oil cleaning - MMB and MAB/MMB 4Pages

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Oil cleaning - MMB and MAB/MMB
4Pages