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Upping the pressure

29 April 2010

Cat Pumps (UK) has introduced an enhanced performance high pressure triplex plunger pump. Featuring a Duplex Stainless Steel discharge manifold for extra durability, the 6801 triplex plunger pump has the ability to deliver fluids at pressures up to 480 bar (7,000psi) and flows up to 57 l/m.

Upping the pressure
Upping the pressure

Available in standard and flushed-seal options, the 6801 has benefitted from the employment of finite stress analysis in the design stage, resulting in the construction of an extremely high-strength pump head.

The Standard models employ Cat Pumps' proven design of low-pressure seals and high-pressure Vee-packings, which are completely lubricated and cooled by the pumped liquid. The flushed 'K' models utilise a special ported inlet manifold that accommodates an external flush liquid for cooling and lubrication when pumping high temperature or low lubricity liquids. This option also facilitates the provision of a barrier fluid to enhance safety and to monitor seal performance, especially when pumping harmful liquids.

The 6801 pump falls into Cat Pumps' range of triplex plunger positive displacement pumps suitable for testing and system flushing applications.

This type of pump delivers a low pulsation, consistent high pressure liquid flow that can be used for hydrostatic pressure testing and instrument-line flushing applications. "Our hydrostatic pumps are typically used for non-destructive integrity and leakage testing of instruments, fittings, vessels, pipes, hoses and liquid stream lines to ensure safety in the environments where they are located," said Brian Hubbard, general manager of Cat Pumps (UK). "These pumps are also used in the oil and gas industry to charge accumulators and to activate components such as blow-out preventers."

Outside of the hydrostatic testing sector, Cat Pumps report that the 6801 is ideally suited to other applications including chemical injection and surface preparation, as it gives the low pulsation performance that these demanding applications require.

"In addition to offering this new pump as a bareshaft pump, Cat Pumps (UK) can supply 6801 custom designed skid packages complete with drive motors and other accessories to exactly meet the end-users' specifications," said Hubbard

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