5 Pipe Size Expansion Plugs

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For Pipe ID

Expansion Plug Type

Deflated Diameter

Plate Material

Maximum Air Back Pressure

Overall Height

Sealing Location

Seal Material

Material

Thread Type

Maximum Pressure

DFARS Specialty Metals

Exempt

Export Control Classification Number (ECCN)

Minimum Temperature

REACH

RoHS

Compliant with Exemptions

Not Compliant

With Bypass

Yes

Maximum Water Back Pressure

Less than 50 ft. of head

Maximum Temperature

Height

Gender

Finish

Bypass Cap Material

Bypass Gender

Bypass Pipe Size

5 Products

Wing-Nut Expansion Plugs

Style A

Twist the wing nut on these plugs to expand the seal and close off pipe openings.

Style A—Style A aren’t recommended for pressure testing, so they’re often used as a dust cover.

Zinc-Plated Steel Plate—Plugs with a zinc-plated steel plate have fair corrosion resistance.

Stainless Steel Plate—Plugs with a stainless steel plate have excellent corrosion resistance.

Maximum Air Back Pressure—Maximum air back pressure is the amount of pressure a plug can withstand without moving.

Maximum Water Back Pressure—Maximum water back pressure refers to the pressure resulting from the height of the water above the plug.

	For Pipe		Max. Back Pressure
	Size	ID	Air, psi	Water, ft. of head	Overall Ht.	Temp. Range, ° F	Seal Material		Each
Style A







				Zinc-Plated Steel Plate

				5	4.62" to 5.30"	1	2	3 9/16"	-20 to 125	Natural Rubber	0000000	000000




						Stainless Steel Plate

						5	4.62" to 5.30"	1	2	3 9/16"	0 to 175	Buna-N	0000000	00000

Expansion Plugs with Bypass


Style C	Style D

Use the bypass tube on these plugs to add air, water, and other fluid to your pipeline or to relieve pressure while testing. The seal expands to temporarily close off pipe openings.

Style C—For Style C, twist the wing nut to expand the seal. They have an NPT threaded bypass for making leak-tight connections.

Style D—For Style D, twist the wing nut to expand the seal. They have an NPT threaded bypass for making leak-tight connections.

Maximum Air Back Pressure—Maximum air back pressure is the amount of pressure a plug can withstand without moving.

Maximum Water Back Pressure—Maximum water back pressure refers to the pressure resulting from the height of the water above the plug.

	For Pipe		Max. Back Pressure				Material		Bypass
	Size	ID	Air, psi	Water, ft. of head	Overall Ht.	Temp. Range, ° F	Seal	Bypass Cap	Pipe Size	Thread Type	Gender		Each
Style C







				Iron Stem

				5	4.50" to 5.00"	Not Rated	23	12 5/8"	30 to 150	Natural Rubber	Metal	1/2	NPT	Male	0000000	000000


				Style D







								Plastic Stem

								5	4.72" to 5.37"	12	27	4 1/2"	-40 to 180	Natural Rubber	Plastic	1/2	NPT	Male	0000000	00000

Air-Inflatable Plugs

Style C

Conform to wide and out-of-round pipes with these inflatable plugs. Also known as pneumatic plugs, they're designed for temporary seals since they can lose pressure over time. They’re better for lower-pressure applications than water-inflatable plugs. Inflate them with a hand pump; an air compressor may overinflate the plug and cause damage.

Plugs with a chain or eyebolt can be tethered through either so they don't get lost or stuck in your pipes during installation. For easy removal once testing is complete, pull on your tether.

With Zinc-Plated Steel Chain/Ring

Style C

Ribbed Body—Plugs with a ribbed texture have better traction against pipe walls than plugs with a smooth texture. When sealing oily or polished walls, they’ll resist slipping.

Maximum Air Back Pressure—Maximum air back pressure is the amount of pressure a plug can withstand without moving.

Maximum Water Back Pressure—Maximum water back pressure refers to the pressure resulting from the height of the water above the plug.

	For Pipe		Deflated			Max. Back Pressure
Style	Size	ID	Dia.	Ht.	Chain Lg.	Air, psi	Water, ft. of head	Req. Inflation Pressure, psi	Temp. Range, ° F	Seal Material	Body Texture		Each
C	5	4.60" to 5.25"	4 1/2"	7 3/4"	12"	13	30	30	-20 to 125	Natural Rubber	Ribbed	0000000	000000