PTFE Gaskets | McMaster-Carr

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For Flange ANSI Class

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For Use With

Diluted Salt Solutions

Fluorinated Solvents

Food

Fuel

Low Stress-to-Seal Flanges

Acetic Acid (White Vinegar)

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

Yes

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Compliant

Compliant with Exemptions

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DFARS Specialty Metals

Exempt

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REACH

For Use On

Gasket Material

Finish

1,801 Products

Sealing

Pipe Gaskets

Form tight seals when connecting flanged pipe fittings

441 products

Tube Fitting Gaskets

Prevent leaks when connecting sanitary tube fittings

109 products

Gasket Material

Cut custom shapes and sizes to fill gaps between flat surfaces

63 products

Gasket Tape

Seal openings such as those around windows, enclosures, and pipe flanges to prevent leaks

52 products

Made-to-Order Gaskets

Send your exact specifications to get gaskets that fit precisely between surfaces

4 products

Manway Gaskets

Create a tight seal between the nozzle and lid of tank car manways

4 products

O-Rings

Fit snugly into a groove between parts to create a leak-resistant seal

373 products

Backup Rings

Extend the life of O-rings and improve their performance under high pressure

122 products

Packing Seals

Fill in gaps around pump shafts, valve stems, and agitators to prevent leaks

136 products

Packing Seal Lubricating Rings

Install between layers of packing seals to distribute lubricants evenly; also known as lantern rings

8 products

Shaft Seals

Prevent leaks in motors, pumps, and gearboxes

67 products

Piston Seals

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

29 products

Spring-Loaded Seals

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

36 products

Rod Seals

Maintain pressure inside cylinders and prevent fluid leaks

11 products

Wear Ring Stock

Cut to make wear rings that fit any rod or bore to prevent uneven wear and extend the life of seals

12 products

Wear Rings

Guide rods and pistons to prevent uneven wear and extend the life of seals

29 products

Buffering Seals

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

9 products

Rod Wipers

Scrape dirt off rods to keep the inside of cylinders clean

7 products

Rope Seals

Insulate the edges of oven, furnace, and boiler doors to keep heat in

4 products

Sealants

Fill and seal gaps in metal, plastic, wood, and other materials

12 products

Fastening and Joining

Sealing Washers

Prevent fluids from leaking around fasteners

11 products

Washers

Nearly every size and shape imaginable, from flat washers to clipped to curved

190 products

Building and Machinery Hardware

Edge Trim

Install on panels, boards, signs, and mirrors to protect edges from impact

14 products

Fabricating and Machining

Gasket Cutters

Create circular gaskets from pliable material and soft metal

45 products

Scissors

Cut through a wide range of materials from paper and plastic to carpet and Kevlar

1 product

Razor Blades

Cut through various materials such as leather and rubber; often used in utility knives

2 products

Facility and Grounds Maintenance

Faucet Washers

Seal faucet components so they don’t leak

8 products