Liquid Levels | McMaster-Carr

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Connection Center-to-Center

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USMCA Qualifying

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1,714 Products

Fluid Handling

Liquid-Level Gauges

Liquid-Level Gauges

Monitor fluid levels in containers

Liquid-Level Transmitters

Liquid-Level Transmitters

Send liquid-level data to logging and monitoring equipment

Sights

Observe and monitor the contents of pipes, tanks, and other containers

Water Detector Sensors

Water Detector Sensors

Place near tanks, sump pumps, and pipe lines to alert you to water leaks

Float Switches

Start process equipment such as pumps and motors when the liquid in your tank reaches the float

Level Sensor Switches

Level Sensor Switches

Activate equipment by detecting the liquid level in a tank

Float Valve Bodies

Float Valve Bodies

Pair with floats and rods to create float valves that meet your needs

Float Valves

Open or close a pipe connection when liquids in a container reach a set level; also known as ballcocks

Valve Bodies

Attach to actuators to automatically or manually control flow in your line

Measuring and Inspecting

Levels

Ensure surfaces are completely horizontal or vertical

Pipe Flange Aligners

Pipe Flange Aligners

Line up flange holes so they bolt securely and connections won’t leak

Staff Gauges

Typically mounted to walls and tanks for measuring the level of liquids, such as water, fuel, and oil

Depth Gauges

Reach into slots, counterbores, and other holes to measure depth

Liquid-Level Tape Measures

Liquid-Level Tape Measures

Lower into deep containers, such as tanks, to check the level of oil and other fluids

Gauging Pastes

Cover your tank-level ruler and change color to indicate the level of water or gasoline in your tank

Electrical

Sensor Switches

Sensor Switches

Detect moving objects from a distance, triggering a circuit to open or close

Development Board Sensor Modules

Development Board Sensor Modules

Transform your development board into everything from an airflow monitor to a motion detector

Communication

Audible Alarms

Everything from bells and whistles to horns and sirens

Sealing

Gauge Glass Gaskets

Gauge Glass Gaskets

Seal the glass on level indicators to monitor liquids without leaks

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)