Expanding Rubber | McMaster-Carr

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Pipe Size

ID

0.022" to 0.079"

0.025" to 0.08"

0.03" to 0.083"

3/64" to 13/64"

1/16" to 11/64"

1/16" to 13/64"

5/64" to 11/64"

Material

Stainless Steel

Expansion Plug Type

Four Arm Handle

Profile Shape

For Pipe ID

Fitting Type

Expansion Joint

Color

Maximum Temperature

Less than 100° F

100° F to 199° F

200° F to 249° F

250° F to 499° F

500° F or greater

Shape

Height

Attachment Type

Sealing Location

Maximum Air Back Pressure

Less than 10 psi

10 psi to 24 psi

25 psi to 49 psi

50 psi to 99 psi

100 psi or greater

Number of Holes

For Use With

Nonabrasive Slurries

Calcium Chloride

Hydraulic Fluid

Plate Material

Stainless Steel

RoHS

Compliant with Exemptions

Export Control Classification Number (ECCN)

DFARS Specialty Metals

REACH

Tapered Plug Trade Size

Seal Material

Overall Height

Performance

Chemical Resistant

Electrically Insulating

Flame Retardant

High Temperature

High Visibility

Fitting Connection

Spec Image

Spec Image

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959 Products

Expansion Plugs

Wing-Nut Expansion Plugs

Wing-Nut Expansion Plugs

Twist the wing nut to expand the seal without needing tools

Hex-Nut Expansion Plugs

Hex-Nut Expansion Plugs

Install with a nutdriver for a tighter seal than hand-tightened nuts

Quick-Snap Expansion Plugs

Quick-Snap Expansion Plugs

Turn the handle to expand the seal, then snap it down for fast installation

Expansion Plugs with Bypass

Expansion Plugs with Bypass

Use the bypass tube to add fluid to pipelines or to reduce pressure

T-Handle Expansion Plugs

T-Handle Expansion Plugs

Easier to grip and twist than wing nuts, especially when wearing gloves

Long-Reach Wing-Nut Expansion Plugs

Long-Reach Wing-Nut Expansion Plugs

Insert deep within your pipe to seal it off from the inside

Expansion Plugs for Conduit

Expansion Plugs for Conduit

Seal conduit openings to keep water, dirt, and animals from damaging your wiring

Long-Reach Hex-Nut Expansion Plugs with Bypass

Long-Reach Hex-Nut Expansion Plugs with Bypass

Use the bypass tube to add air and fluid to pipelines or to reduce pressure

Quick-Locking Expansion Plugs

Quick-Locking Expansion Plugs

Save time by installing with just one quarter turn

Square-Head Expansion Plugs

Square-Head Expansion Plugs

Turn the square head into the sealing ring to close off pipelines

Air-Inflatable Plugs with Bypass

Air-Inflatable Plugs with Bypass

Temporarily seal wide and out-of-round pipes, with a bypass tube to add air and fluid

Remote-Access Air-Inflatable Plugs

Remote-Access Air-Inflatable Plugs

Plug pipe that’s hard to reach, such as underground sewage lines

Air-Inflatable Plugs

Air-Inflatable Plugs

Temporarily seal wide and out-of-round pipes

Air- and Water-Inflatable Plugs

Air- and Water-Inflatable Plugs

Fit into tight pipe joints with our most flexible expansion plugs

Air-Inflatable Plugs for Tee Connections

Air-Inflatable Plugs for Tee Connections

Often used for plumbing tests, thread into tees and inflate to block flow

Expansion Plugs for Cleanout Tees

Expansion Plugs for Cleanout Tees

No need to inflate with an air compressor or hand pump

Air- and Water-Inflatable Plugs for Wye-Joints

Air- and Water-Inflatable Plugs for Wye-Joints

Extra long to seal off two pipes in a wye-joint at the same time

Other Products

Protective Plugs

Protective Plugs

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

Spray Foam Insulation

Spray Foam Insulation

Expands to fill in cracks, gaps, and other hollow spaces for a tight seal against drafts and heat

Expanding Foam

Conforms to and cushions items in boxes to keep them from banging around the box during transit

Pipe and Pipe Fittings

Pipe and Pipe Fittings

Generally thicker and more rigid than tubing for distributing liquids and gases through your facility

Gasket Tape

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

Casting Compounds

Casting Compounds

Mix and pour into molds to capture intricate detail when casting parts, linings, and prototypes

Glue

The first choice for everyday bonding and repairs

Wire Sleeving

Bundle wiring and protect from abrasion and heat

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