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For Moderate to High Liquid Flow Rates
Models for flow rate settings from .5 GPM to 100.0 GPM
Rugged housings with port sizes ranging from 3/4" NPT to 3" NPT
Efficient flow paths assure low line pressure drop at full flow
Typical Applications
Protect bearings or gears from loss of lubricant flow
Switches can reduce maintenance costs on:
Oil Separators • Fuel Systems • Pumps • Compressors • Presses
Provide instant, automatic shutdown if coolant flow falls off in electronics or machinery, such as:
Heat Exchangers • Semiconductor Manufacturing Equipment • Induction Furnaces • Radio Transmitters
Assure efficient operation of process systems, including:
Water Filtration and Reverse Osmosis • Chlorinators • De-icers • Sterilizers • Evaporators
FS-200 Series
The FS-200 Series offers accurate flow detection, with 1% repeatability, over a broad range of flow settings and port sizes. Its durable construction delivers long-life reliability in either water or oil. Generous flow paths keep pressure drop low. These switches are ideal for detection of improper flow rates in high volume lubrication, cooling or process systems.
FS-200 Adjustable Series switches offer the same accuracy and are as rugged as those with fixed settings, but provide one additional feature: external adjustability. With these versatile switches your choice of flow settings is diverse within a given range. An ordinary, flat-blade screwdriver is all that's required for the actuation adjustment.
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FS-400 Series
Provides accurate flow detection in water and oil with 1% repeatability. Flow settings on the adjustable version can be easily changed without disassembly. A shuttle by-pass vane inside the housing is controlled externally using an ordinary flat-blade screwdriver. These switches are ruggedly constructed of non-corrosive materials and resist shock and vibration. Suitable for triggering alarms on interlocking shutdown circuitry when flow rate is improper to protect bearings, gears and cooling systems.
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FS-500 Series
The FS-500 offers low cost flow monitoring with a variety of switch actuation points and low pressure drop. All wetted parts are polypropylene or stainless steel, making this switch ideal for a wide range of chemical and temperature requirements. The materials are also NSF or FDA approved for potable water treatment applications including chlorinators, purifiers and heaters. The FS-500 is ideal for equipment cooling including welders, lasers, etc. A J-box version with a 5 amp relay is also available for direct control of higher electrical loads, such as chlorinator pumps.
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