Frost Plugs | McMaster-Carr

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Pipe Size

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"

Material

Stainless Steel

Expansion Plug Type

Four Arm Handle

Diameter

For Pipe ID

Height

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

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

Export Control Classification Number (ECCN)

DFARS Specialty Metals

RoHS

Compliant with Exemptions

REACH

Overall Height

Handle Material

Stainless Steel

Seal Material

With Bypass

Color

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

For Use With

Hardness

Minimum Temperature

Application

Freeze Damage Protection

Thread Type

How can we improve?

370 Products

Protective Plugs

Freeze Plugs

Permanently seal the shallow holes left during the casting process

Tight-Hold Tapered Plugs

Tight-Hold Tapered Plugs

Tighten the wing nut to expand and seal

Other Products

Expansion Plugs

Expansion Plugs

Seal pipe and tubing lines when checking for leaks

Pipe Freeze Repair Kits

Pipe Freeze Repair Kits

Temporarily freeze the liquid in your pipe to make repairs without draining the line

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