Loaded Lip Seals | McMaster-Carr

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Diluted Salt Solutions

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Loaded Type

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Hardness Rating

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DFARS Specialty Metals

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Export Control Classification Number (ECCN)

EAR99

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472 Products

U-Cup Seals

O-Ring-Loaded U-Cup Seals

An O-ring forms a better seal at lower pressures than unsupported U-cups
Also known as PolyPaks

80 products

High-Stability O-Ring-Loaded U-Cup Seals

Wider than our other O-ring-loaded U-cups for improved stability
Also known as PolyPaks

42 products

Other Products

Shaft Seals

Prevent leaks in motors, pumps, and gearboxes

240 products

Rod Seals

Maintain pressure inside cylinders and prevent fluid leaks

11 products

Spring-Loaded Seals

Seal rods and pistons with a wider range of temperature and chemical resistance than U-cup seals

54 products

Rod Wipers

Scrape dirt off rods to keep the inside of cylinders clean

7 products

Buffering Seals

Protect hydraulic cylinders from pressure spikes and shock in high-pressure applications

9 products

Piston Seals

Prevent leaks inside pistons by creating a seal against the cylinder bore

29 products