Tubular Gauges | McMaster-Carr

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U.S.–Mexico–Canada Agreement (USMCA) Qualifying

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For Valve Center-to-Center

513 Products

Liquid-Level Gauges

Liquid-Level Indicators

Liquid-Level Indicators with Shut-Off Valve

Stop the flow so you can clean and replace gauge glass without removing the indicator

16 products

High-Pressure Oil-Level Indicators

Monitor fluid levels in pressurized applications, such as hydraulic systems

90 products

Oil-Level Indicators

Monitor fluid levels in gear boxes, crank cases, and other reservoirs

122 products

Chemical-Level Indicators

Check the level of liquids containing chemicals such as boric acid and sodium bicarbonate

14 products

Flexible Easy-View Liquid-Level Indicators

Bend around the contours of your hydraulic fluid, oil, or water tank

14 products

Easy-View High-Pressure Oil-Level Indicators

The nylon body and window resist shattering and allow you to check levels from any angle

7 products

Build-Your-Own Liquid-Level Indicators with Shut-Off Valve

Build your own level indicator with valves, gauges, and guard rods

120 products

High-Pressure Oil-Level and Temperature Indicators

Check the temperature and the fluid level in a pressurized system

33 products

Easy-View Oil-Level Indicators

Made with clear plastic so you can check fluid levels from any angle

15 products

Oil-Level and Temperature Indicators

Monitor the fluid level and temperature in gear boxes, crank cases, and other reservoirs

14 products

Shatter-Resistant Oil-Level and Temperature Indicators

Monitor fluid level and temperature through a durable nylon window

8 products

Heavy Duty Liquid-Level Indicators

Withstand vibration, high pressures, and high temperatures

19 products

Other Products

Gauge Glass

Create or repair liquid-level gauges to monitor fluid levels in containers

138 products

Gauge Glass Gaskets

Seal the glass on level indicators to monitor liquids without leaks

9 products