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Liquid Flow Switches Suited for Low- or No-Flow Conditions

The Model 501 Flo-Switch is suited for users who require alarms for low- or no-flow conditions and excessive flow or intermittent flow rates. Featuring highly precise, solid-state relay outputs with set points as low as 13 mL/min, they provide an economical replacement to non-repeatable piston-type or rotameter-based alternatives. Integrated visual indicators display current status. The units may be used with pressures to 500 psig and are available in a plastic or stainless steel construction. The low-cost, compact packaging enables the switches to be used in laboratory and OEM applications where equipment may be damaged if flow rates are low or not present.
McMillan Company
P.O. Box 1340
Georgetown, TX, 78628