Pipe Seals | McMaster-Carr

Filter by

System of Measurement

ID

OD

Material

Width

Cross Section Shape

Color

Pipe Size

Dash Number

For Use With

Hardness

Shape

Maximum Temperature

Hardness Rating

Fitting Type

Fractional ID

USMCA Qualifying

Fractional Width

Core Material

Thread Type

REACH Compliance

RoHS Compliance

DFARS Compliance

How can we improve?

18,442 Products

Sealing

Pipe Gaskets

Form tight seals when connecting flanged pipe fittings

Pipe Flashings

Create watertight seals around vent pipes on roofs, even if they expand, contract, and vibrate

Gasket Tape

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

Gasket Makers

Seal irregular shapes and tiny crevices by applying a bead that hardens into a gasket

Drain Gaskets

Create a watertight seal between your drain and fixture without the mess of plumber's putty

O-Rings

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

10,684 products

Backup Rings

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

Thread Sealants

Thread Sealants

Create a seal between threaded connections to prevent loosening from vibration

Packing Seals

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

Rope Seals

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

Building and Machinery Hardware

Grommets

Protect wire, cable, and cords from holes with sharp or rough edges

Bumpers

Absorb impact to protect equipment and surfaces from dents and scuffs

Protective Plugs

Protective Plugs

Insert into holes in pipe, containers, panels, and parts to keep out debris

Protective Caps

Protective Caps

Cover holes at the end of pipe, conduit, and fittings to keep out debris

Fluid Handling

Tube Fitting Rings

Tube Fitting Rings

Prevent leaks at tubing connection points

Pipe Joiners

Connect heavy and difficult-to-position gasketed pipe without powered equipment

Pipe Plugs

Insert into the ends of pipe to keep out dirt and debris

Pipe Caps

Cover the ends of pipe to keep out dirt and debris

Pipe Fittings

Form threaded, barbed, flanged, and other types of connections between lengths of pipe

Hose and Hose Fittings

Hose and Hose Fittings

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

Expansion Plugs

Expansion Plugs

Seal pipe and tubing lines when checking for leaks

Bore Sealing Plugs

Bore Sealing Plugs

Permanently seal unthreaded holes in pneumatic and hydraulic components

Heating, Ventilation, and Air Conditioning

Chimney Storm Collars

Chimney Storm Collars

Pair with chimney roof flashing to prevent leaks where chimneys pass through roofs

Air Conditioner Service Valve Caps

Air Conditioner Service Valve Caps

Seal off AC service valves to prevent refrigerant from leaking out

Electrical

Heat-Shrink Tubing

Heat-Shrink Tubing

Apply heat to seal and insulate electrical wiring and connections

Heat-Shrink Tubing End Caps

Heat-Shrink Tubing End Caps

Seal moisture out of crimped electrical connections

DIN Rail Caps

Guard the edges of DIN rail from damage and create a finished look

Capacitor Boots

Capacitor Boots

Shield capacitors and wire connections to extend their service life and reduce accidental shocks

Measuring and Inspecting

O-Ring Gauges

Identify the size of your O-ring

Fastening and Joining

Retaining Rings

Retaining Rings

Hold components on a shaft

Adhesives

Bond surfaces together

Quick-Release Pin Receptacles

Quick-Release Pin Receptacles

Secure quick-release pins when you don’t have a through hole

Standoff Caps

Create a finished look on standoffs and protect them from dirt and debris

Quick-Release Pin Retaining Caps

Quick-Release Pin Retaining Caps

Hold quick-release pins in holes that are oversized or out of round

Facility and Grounds Maintenance

Drain Check Valves

Drain Check Valves

Prevent water damage by placing into floor drains to stop sewer back-ups

Floor Drain Trap Seals

Floor Drain Trap Seals

Stop sewer gases from escaping through rarely used floor drains if the P-trap dries out

Drain Cleanouts

Drain Cleanouts

Create an access point to inspect and clean floor drain pipelines

Rebar Caps

Brightly colored to alert workers to exposed rebar and pipe

Fabricating and Machining

Fixture Plate Plugs

Fixture Plate Plugs

Keep chips and shavings from clogging or damaging unused holes on fixture plates in milling machines

Material Handling

Conveyor Guide Mounting Rod Caps

Conveyor Guide Mounting Rod Caps

Cover the ends of conveyor guide mounting rods for a finished look

Containers, Storage, and Furniture

Dust Covers

Stretch over drums, pails, and other objects to keep out dust and debris

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