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A range of heavy-duty canned motor pumps suitable for applications in the petroleum, chemical, gas and oil refinery sectors is now available from Michael Smith Engineers.

The Nikkiso-KSB API 685 canned motor centrifugal pump is designed to be compliant with the American Petroleum Industry specification API 685 for seal-less centrifugal pumps.

The pumps can be used for transferring hydrocarbons, liquids with a low boiling point, liquefied gases, heat transfer media and also liquids containing solids.

The pumps, which provide flow rates up to 360m3/h and heads up to 220m, are designed for system pressures up to 40 bar and can withstand nozzle moments and forces four times higher than required by API 685.

The pumps have centreline supported casings and include wear rings located on the casing as well as the casing cover, helping to minimising maintenance costs.

The pumps incorporate an automatic thrust balancing system that allows the bearing/thrust washer to function at minimised thrust loads over the entire usable capacity range to ensure optimum pumping performance.

The Nikkiso-KSB canned motor pumps come with an ’E’ monitor with an LED display (local or remote), which indicates the axial and radial rotor position during pump operation alerting users to possible bearing wear, helping to prevent motor stator damage or failure that can cause unscheduled downtime.

The Nikkiso-KSB API 685 canned motor centrifugal pump range is designed for mounting horizontally.

A vertical configuration with in-line suction and discharge ports is also available.

All the pumps offer secondary containment as standard.

Michael Smith Engineers

Michael Smith Engineers Ltd,  the UK’s leading pump specialist for difficult liquid handling applications since 1971,  provide representation in the UK for specialist pump manufacturers, with particular emphasis on sealless leak free pump technology.  Our product range includes magnetically driven gear pumps, magnetically driven centrifugal pumps (including metal, plastic and lined centrifugals),  canned motor centrifugal pumps, peristaltic pumps, tubular diaphragm pumps, metering pumps, valveless piston pumps, turbine  pumps,  high pressure diaphragm pumps, vane pumps and barrel emptying pumps. We can supply pumps in a wide choice of wetted materials for liquids between 0.2 cP and 500,000 cP, temperatures between -50 oC and +400 oC,  capacities from nanolitres per hour to m3  per minute and can offer pumps for  high system pressures up to 350 Bar and high discharge pressures up to 500 Bar.  Corrosion resistant materials are available for many of our ranges include metallic options of stainless steel and high nickel alloys or plastic options of PVC,  polypropylene, PVDF and ETFE. The main markets we service with our ranges of pumps are the chemical, petrochemical, pharmaceutical and process sector with our larger pumps  as well as laboratories, research and development institutions and OEMs with our smaller pumps.  

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