PTFE Gaskets | McMaster-Carr

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1,517 Products

Sealing

Pipe Gaskets

Form tight seals when connecting flanged pipe fittings

Tube Fitting Gaskets

Tube Fitting Gaskets

Prevent leaks when connecting sanitary tube fittings

Gasket Material

Gasket Material

Cut custom shapes and sizes to fill gaps between flat surfaces

Gasket Tape

Stick in place around doors, enclosures, and vents to create a leak-resistant seal

Made-to-Order Gaskets

Made-to-Order Gaskets

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

Manway Gaskets

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

O-Rings

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

Backup Rings

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

Packing Seals

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

Piston Seals

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

Shaft Seals

Prevent leaks in motors, pumps, and gearboxes

Rod Seals

Maintain pressure inside cylinders and prevent fluid leaks

Spring-Loaded Seals

Spring-Loaded Seals

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

Buffering Seals

Buffering Seals

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

Wear Rings

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

Wear Ring Stock

Wear Ring Stock

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

Rod Wipers

Scrape dirt off rods to keep the inside of cylinders clean

Rope Seals

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

Sealants

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

Fastening and Joining

Sealing Washers

Sealing Washers

Prevent fluids from leaking around fasteners

Building and Machinery Hardware

Edge Trim

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

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