- 6 December 2006 -

Pump protection flow switch reduces maintenance

Fluid Components International (FCI) has developed a new flow switch that can improve process control by adding an extra margin-of-safety, which can keep pumps running longer and more reliably with less frequent maintenance over an expanded lifetime, the company says.

The Flow/Level/Temperature (FLT) Pump Protection Flow Switch monitors the flow and temperature of liquids, gases, slurries, syrups, lubricants and coolants. It is a dual-function instrument that indicates both flow and temperature, and/or level sensing in a single device. It can be specified in either insertion or in-line styles for pipe or tube installation. With the FLT, a single switch monitors both key variables necessary to protect pumps, measuring liquid flow and temperature simultaneously It is suitable for wet/dry detection in protecting pumps, where unexpected reductions in media flow rates may leave pumps vulnerable to over-heating conditions that can result in bearing or seal damage that require major repairs or shorten their useful life.

The FLT Flow Switch has a no moving parts design and a dual alarm capability. With Alarm 1, the switch will detect a low-flow situation anywhere between 0.01 and 3 feet per second (.003 to .9 m per second). This low flow alarm can be regarded as a pre-warning signal for the control system or operator. The system or operator can then decide to keep the pump running or to shut it down.

www.fluidcomponents.com

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