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Self-priming, mag-drive pumps ensure leak-free transfer of aggressive media

02 March 2014

The Finish Thompson SP series of magnetic drive, self-priming centrifugal pumps provide a combination of fast, reliable and powerful performance with corrosion-resistant materials that withstand the rigours of the most demanding applications.

Available from Michael Smith Engineers, the SP series of pumps consists of four models that provide maximum flow rates up to 45m3/hr and maximum differential to 37m.

SP self-priming pumps combine deep lift capabilities (dry lift pumping up to 7.6m) and fast priming (5.5m in 90s) with the important advantages of magnetic drive technology; no seals to replace and zero leakage.

Another benefit when SP pumps are supplied with a carbon bushing is they can be run-dry for extended periods without damage, meaning no catastrophic pump failure in the event of a process upset.

In addition to their superior lift capabilities, the SP Series incorporate powerful neodymium batteries allowing them to pump fluids with high specific gravities up to 1.8, such as sulphuric acid, phosphoric acid and sodium and potassium hydroxide.

Reliable, low-maintenance and safe operation is also assured thanks to the SP Series magnetic drive technology.

The pumps are available in a choice of Polypropylene or PVDF which results in a tough and durable, corrosion resistant pump. Maximum operating temperatures are 82°C for the polypropylene version and 104°C for the PVDF version.

SP Series pumps can be mounted to most standard motors, while NPT or BSP threads, adjustable flanges or union connections make it easy to connect to most process systems resulting in reduced installation cost and time.

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