McMaster-Carr

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	Pipe Size Pipe Size

1/8

1/4

	Thread Type Thread Type

NPTF

NPT

UNF

	For Use With For Use With

Acetic Acid

Air

Alcohol-Based Solvents

	Material Material

	Overall Height Overall Height

	OD OD

	Connection Center-to-Center Connection Center-to-Center

	Shape Shape

	Window Material Window Material

Glass

Plastic

	Maximum Pressure Maximum Pressure

	Window Height Window Height

	Seal Material Seal Material

Rubber

Plastic

	Maximum Temperature Maximum Temperature

	Minimum Temperature Minimum Temperature

	Gender Gender

Male

Female

	Body Width Body Width

	Length Length

	Maximum Liquid Pressure Maximum Liquid Pressure

	Maximum Steam Pressure Maximum Steam Pressure

	Wall Thickness Wall Thickness

5/64"

3/32"

7/64"

	Connection Style Connection Style

	Body Material Body Material

	Component Component

704 Products

Liquid-Level Indicators

Level Indicators

Gauge Glass

Replace existing gauge glass or combine with valves and guard rods to build your own level indicator.

Level Indicators with Shutoff Valve

Shutoff valves stop flow so you can clean and replace gauge glass without removing these indicators from your equipment.

Level and Temperature Indicators

Simultaneously monitor liquid level and temperature.

Gaskets for Gauge Glass

Seal the glass on your level indicator.

Portable Sludge Indicators

Detect sludge in your container; an alarm sounds when the indicator comes into contact with sludge.

Pop-Up Full-Tank Indicators

Avoid overfilling—these indicators pop up when your tank is almost full.

Other Sight Tubes

Flow Sights

Visually confirm flow and inspect your process media.

Sight Levels

These instruments operate at a range under 50 feet.

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