Mechanical Plugs | McMaster-Carr

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Pipe Size

Expansion Plug Type

For Pipe ID

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

Plate Material

Stainless Steel

ID

25/64" to 19/32"

33/64" to 45/64"

41/64" to 25/32"

23/32" to 15/16"

51/64" to 1 1/64"

29/32" to 1 1/16"

61/64" to 1 3/32"

1 1/32" to 1 1/4"

1 5/64" to 1 21/64"

1 3/16" to 1 29/64"

1 15/64" to 1 17/32"

1 5/16" to 1 39/64"

1 27/64" to 1 11/16"

Overall Height

Deflated Diameter

Seal Material

With Bypass

Maximum Temperature

Less than 150° F

150° F to 174° F

175° F to 199° F

200° F to 249° F

250° F or greater

Material

Silicone Rubber

Handle Material

Stainless Steel

Export Control Classification Number (ECCN)

DFARS Specialty Metals

REACH

RoHS

Compliant with Exemptions

Maximum Water Back Pressure

Less than 50 ft. of head

50 ft. of head to 99 ft. of head

100 ft. of head to 199 ft. of head

200 ft. of head to 249 ft. of head

250 ft. of head or greater

Minimum Temperature

Color

Tapered Plug Trade Size

Height

For Use With

Plate Color

Stem Material

How can we improve?

402 Products

Fluid Handling

Expansion Plugs

Expansion Plugs

Seal pipe and tubing lines when checking for leaks

Building and Machinery Hardware

Protective Plugs

Protective Plugs

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

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