GPM Meters | McMaster-Carr

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689 Products

Flowmeters

Check the flow rate of liquids in your system

164 products

Easy Read Flowmeters

The large dial is easier to read at a distance than a scale

50 products

Any-Orientation Flowmeters

Measure flow rate regardless of mounting orientation

50 products

High-Temperature and Pressure Flowmeters

Measure liquids that are too hot or pressurized for standard flowmeters

19 products

Insertion Flowmeters

Drill a hole to install these flowmeters without disassembling the pipeline

6 products

Impact-Resistant Flowmeters

A stainless steel housing protects the glass body from shattering

9 products

Portable Noncontact Flowmeters

Clamp onto pipes to spot-check the rate without disassembling your system

4 products

Panel-Mount Flowmeters

Install on instrument panels

73 products

Clog-Resistant Flowmeters

Won't clog when measuring liquid with particles up to 1/8" in diameter

7 products

High-Temperature Flowmeters with Digital Display

Monitor the flow rate of liquids up to 200° F from an easy-to-read digital display

10 products

High-Temperature Flowmeters

Measure the flow rate of liquids up to 212° F

21 products

Flowmeters for High-Purity Liquids

Made of plastic and rubber to avoid contaminating liquids, such as deionized water

8 products

High-Temperature Panel-Mount Flowmeters

Install on an panel to measure the rate of liquids as hot as 212° F

18 products

Flowmeters with Flow Switch

Turn equipment on and off or activate an alarm when liquid reaches a set flow rate

12 products

Flanged Flowmeters

Install securely in large pipelines

8 products

Socket-Connect Flowmeters

Install the unthreaded ends of these flowmeters into a PVC piping system

4 products

Flowmeter/Totalizers

Determine the flow rate and total volume of liquid with the same meter

40 products

High-Temperature Flowmeter/Totalizers

Measure the rate and total volume of liquids at temperatures up to 200° F

8 products

Flanged Flowmeter/Totalizers

Install in large, high-flow pipelines to measure flow rate and total volume

4 products

Flowmeter/Totalizers for Oil and Fuel

Measure the rate and volume of oil, gasoline, diesel fuel, and kerosene

23 products

Flowmeter/Totalizers with Sanitary Quick-Clamp Fittings

Easy to remove for cleaning and maintenance

17 products

Socket-Connect Flowmeter/Totalizers

Install in a PVC piping system to measure the rate and volume of liquid

18 products

Flowmeters for Oil

High-Temperature and Pressure Flowmeters for Oil

Measure oil that is too hot or pressurized for standard flowmeters

53 products

Any-Orientation Flowmeters for Oil

Measure flow rate regardless of mounting orientation

12 products

Flow- and Pressure-Testing Flowmeters for Oil

Find worn components or leaks by testing the flow at different pressures

4 products

Other Products

Flow Transmitters

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

66 products

Liquid-Dispensing Metering Valves

Program to dispense a specific amount of liquid every time and shut off when set amount is reached

3 products