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| FLT Pump Protection Flow Switch  FlexSwitch FLT Pump Protection Flow Switch from Fluid Components International improves process control by adding an extra margin-of-safety, which keeps pumps running longer and reliable with less frequent maintenance over an expanded lifetime. The Flow/Level/Temperature, FLT, Pump Protection Flow Switch monitors the flow and temperature of liquids, gases, slurries, syrups, lubricants, coolants and more. It is ideal for wet/dry detection in protecting pumps, where sudden, unexpected reductions in media flow rates may leave pumps vulnerable to over-heating conditions.The FLT Flow Switch, with its no moving parts design, offers a highly robust scheme for pump protection with its dual alarm capability. With Alarm 1, the switch will detect a low-flow situation anywhere between 0.01 and 3 feet 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. If an Alarm 2 occurs because the feed line to the pump is running dry, this condition would be an emergency signal to shut down the pump immediately because the bearings see gas instead of a liquid as a heat transfer media. In such situations, the temperature of the bearings may rise very fast. Using a flow switch prevents permanent damage to the pump's bearings that will require an overhaul of the pump before more damage occurs. The FLT flow switch 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 with excellent accuracy and reliability. Dual 6A relay outputs are standard and are assignable to flow, level or temperature. FLT Switches provide precise, rapid flow or level control in liquids or slurries, as well as temperature measurement. They are ideal for applications in many demanding process industries, including chemical processing, food/beverage, mining/milling, oil/gas, pulp/paper, pharmaceutical, water/waste treatment and more. write your comments about the article :: © 2006 Construction News :: home page |