Rotary Flow Switches | McMaster-Carr

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91 Products

Flow Transmitters

Flow Transmitters with Sight

Visually confirm that liquid is flowing

29 products

Flow Transmitters

Send flow rate measurements to PLCs, data loggers, and remote displays

11 products

Flow and Temperature Transmitters

Send flow rate and temperature measurements simultaneously

8 products

Contactless Flow Transmitters

Measure and transmit flow rate from outside your pipe with ultrasonic waves

1 product

High-Accuracy Flow and Temperature Transmitters

Use a magnetic field to measure flow rate and temperature with high accuracy

5 products

Build-Your-Own Flanged Pipe Flow Transmitters

Install between two flanges in a flanged pipe system

12 products

Insertion-Mount Flow and Temperature Transmitters

Install through a ring fitting in pipe too large for inline transmitters
Send flow rate and temperature measurements simultaneously

4 products

Other Products

Flow Switches

Turn equipment on or off when flow rate reaches a set point

21 products