Sight Glass Valves | McMaster-Carr

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Pipe Size

For Use With

Alcohol-Based Solvents

Liquids with Solids

Acetic Acid (White Vinegar)

Ammonium Hydroxide

Material

Graphite Composite

Stainless Steel

Thread Type

UN/UNF (SAE Straight)

Connection Center-to-Center

Maximum Pressure @ Temperature

10 psi @ 70° F

15 psi @ 70° F

20 psi @ 70° F

22 psi @ 70° F

25 psi @ 70° F

30 psi @ 70° F

40 psi @ 70° F

50 psi @ 70° F

60 psi @ 70° F

65 psi @ 70° F

70 psi @ 70° F

75 psi @ 70° F

90 psi @ 70° F

100 psi @ 70° F

Maximum Temperature

Less than 200° F

200° F to 249° F

250° F to 399° F

400° F to 499° F

500° F or greater

Shape

OD

Length

Fitting Connection

Connects To

Overall Height

Gender

Window Material

System of Measurement

RoHS

Compliant with Exemptions

Export Control Classification Number (ECCN)

DFARS Specialty Metals

Window Diameter

Window Height

REACH

Minimum Temperature

-250° F or less

-249° F to -50° F

-49° F to -1° F

0° F to 49° F

50° F or greater

For Gauge Glass OD

Body Material

Stainless Steel

For Valve Center-to-Center

How can we improve?

1,300 Products

Fluid Handling

Liquid-Level Gauges

Liquid-Level Gauges

Monitor fluid levels in containers

Flow Sights

Visually confirm flow and inspect liquid color and clarity

Sights

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

Liquid-Level Transmitters

Liquid-Level Transmitters

Send liquid-level data to logging and monitoring equipment

Hose

Flexible and stronger than tubing; often used to convey liquids and gases under pressure

Hose Fittings

Create threaded, barbed, quick-disconnect, and other types of connections between lengths of hose

Sealing

Gauge Glass Gaskets

Gauge Glass Gaskets

Seal the glass on level indicators to monitor liquids without leaks

Measuring and Inspecting

Liquid-Level Tape Measures

Liquid-Level Tape Measures

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

Staff Gauges

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

Gauging Pastes

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

Plumb Bobs

Suspend from a string to create a vertical reference line

Electrical

Sensor Switches

Sensor Switches

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

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