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Flex separation systems, S separators 921–987
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Flex separation systems, S separators 921–987 - 1

Flex separation systems, S separators 921–987 Cleaning systems for heavy fuel oils* Separator Change-over valve Water block Flex system components for S separators 921–987. Oil block including water transducer * S separators can also be used to clean lighter fuel oils and lubricating oils. S and P Flex separation systems Alfa Laval’s S and P Flex separation systems com­ ine the b high efficiency, low sludge output and low operating cost of Alfa Laval centrifugal separators with a flexible scope of supply. Extensive possibilities for the separation system layout­and assembly make it possible to suit any engine room and any oil separation application. Application S separators S separators are based on Alcap technology, which means they automatically adjust the oil/water interphase based on the water content in the clean oil outlet. This makes them particularly suitable for separating heavy fuel oils with varying­density, though they can be used to clean all of the following: In addition, S and P Flex separation systems feature the EPC 60 controller, which enables the i­ntuitive navigation of menus, parameters and alarms. The EPC 60 controller also has a modular construction for easy I/O board addition and replacement. • eavy fuel oils with densities up to 1 010 kg/m3 and H viscosities­up to 700 cSt/50°C (higher viscosities available ­ upon request) • Lubricating oils • Distillates • Lighter diesel oils The S and P Flex separation concept includes the complete S- and P-separator range. These can be combined in mixed ship sets, even within a single customer-specified module. S separators are designed for automatic operation in periodically unmanned engine rooms at sea and in automated

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Flex separation systems, S separators 921–987 - 2

Scope of supply The S and P Flex separation concept provides ­ a wide range of alternatives for S separators. Depending on the need, a S separator can be supplied as a separator and ancillaries, as a customer-specified module, or as part of a comprehensive ­ ackage including services p and order-specific documentation. These S separators come equipped with energyefficient IE3 motors. Module examples Single Flex module with separator (excluding heater and pump) Single Flex module with separator, heater and pump Flex system A S separator with ancillaries in the form of optimized block...

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Flex separation systems, S separators 921–987 - 3

Optional equipment Flex separation systems based on S separators 921-987 can be complemented with the following equipment: HEATPAC CBM heater HEATPAC EHM heater • Starter (included in module versions) • HEATPAC heaters • Space heating • Additional thermometers • Vibration sensor kit • ALP feed pump • Flow regulating system • Sludge removal kit • Sludge outlet butterfly valve kit • Steam shut-off valve kit • Air pressure reducer valve • Pipe arrangement for multiple modules, including heater cross-connection • Emergency safety shutdown • Remote monitoring and control • Separator lifting...

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Flex separation systems, S separators 921–987 - 4

Water inlet 5. Pneumatically controlled change-over valve 9. Pneumatically controlled shut-off valve Operating principle A Flex separation system based on an S separator 921-987 is operated automatically by the EPC 60 controller. Untreated oil, heated to the correct temperature, is fed continuously to the separator, which is driven by an electric motor via a friction clutch and belt. The separator bowl is fixed at the top of a spindle, which is supported by bearings and special composite springs. During operation, separated sludge and water accumulate at the bowl periphery and are...

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Flex separation systems, S separators 921–987 - 5

CentriShoot Instead of a sliding bowl bottom, the CentriShoot discharge system features a fixed discharge slide that flexes at its edge. This increases discharge accuracy and does away with metal-to-metal wear. CentriLock Conventional lock rings are threaded and must be removed with a sledgehammer. Over time, the metal-to-metal wear between bowl and lock ring can lead to expensive bowl repair or replacement. Step one: The CentriShoot discharge slide is fixed at the centre. During separation, the slide covers the discharge ports. An Allen key is the only tool needed to work with CentriLock....

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Flex separation systems, S separators 921–987 - 6

Operations Preventive maintenance procedures are handled quickly and simply with the help of a compression tool. The snap ring of the patented CentriLock bowllocking system is non-threaded and requires only an Allen key to remove. • Maintenance intervals: - Inspection Service every 4 000 h or 6 months - Overhaul Service every 12 000 h or 18 months • Service spares kits contain all necessary spare parts for each service and tips for maintenance in checkpoints: - Inspection Kit with O-rings and seals for separator bowl - Overhaul Kit with parts for drive system, belt, bearings and pads, also...

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