Snap-In Plugs | McMaster-Carr

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Less than 50 ft. of head

50 ft. of head to 99 ft. of head

100 ft. of head to 199 ft. of head

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-49° F to -1° F

Greater than 0° F

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63 Products

Quick-Snap Expansion Plugs

Turn the cam handle to expand the seal, then snap the handle down to hold it in place and close off pipe openings.

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					Brass Handle		Stainless Steel Handle
	Size	ID	Air, psi	Water, ft. of head	Overall Ht.	Temp. Range, ° F	Seal Material		Each		Each







				Zinc-Plated Steel Plate

				1	0.97" to 1.05"	5	12	2 3/8"	-40 to 250	Neoprene	0000000	000000	———	0


				1 1/8	1.05" to 1.17"	5	12	2 3/8"	-40 to 250	Neoprene	0000000	00000	———	0
				1 1/4	1.19" to 1.30"	5	12	2 3/8"	-40 to 250	Neoprene	0000000	00000	———	0
				1 1/2	1.38" to 1.55"	5	12	2 3/8"	-40 to 250	Neoprene	0000000	00000	———	0
				1 3/4	1.63" to 1.80"	5	12	2 5/16"	-40 to 250	Neoprene	0000000	00000	———	0
				2	1.95" to 2.05"	5	12	2 3/16"	-40 to 250	Neoprene	0000000	00000	———	0
				2 1/4	2.25" to 2.30"	5	12	2 5/16"	-40 to 250	Neoprene	0000000	00000	———	0
				2 1/2	2.47" to 2.55"	5	12	2 5/16"	-40 to 250	Neoprene	0000000	00000	———	0
				2 3/4	2.69" to 2.85"	5	12	2 5/16"	-40 to 250	Neoprene	0000000	00000	———	0
				3	2.94" to 3.10"	5	12	2 1/4"	-40 to 250	Neoprene	0000000	00000	———	0
				3 1/2	3.38" to 3.60"	5	12	2 5/16"	-40 to 250	Neoprene	0000000	00000	———	0


				4	3.94" to 4.10"	5	12	2 5/16"	-40 to 250	Neoprene	0000000	00000	———	0
				—	1.30" to 1.42"	5	12	2 3/8"	-40 to 250	Neoprene	0000000	00000	———	0
				—	1.53" to 1.67"	5	12	2 5/8"	-40 to 250	Neoprene	0000000	00000	———	0
				—	1.75" to 1.92"	5	12	2 5/16"	-40 to 250	Neoprene	0000000	00000	———	0
				—	2.06" to 2.17"	5	12	2 5/16"	-40 to 250	Neoprene	0000000	00000	———	0
				—	2.31" to 2.42"	5	12	2 5/16"	-40 to 250	Neoprene	0000000	00000	———	0
				—	2.53" to 2.72"	5	12	2 3/8"	-40 to 250	Neoprene	0000000	00000	———	0
				—	2.86" to 2.97"	5	12	2 1/4"	-40 to 250	Neoprene	0000000	00000	———	0




						Stainless Steel Plate

						3/8	0.38" to 0.42"	10	24	1 3/8"	-40 to 250	Neoprene	0000000	00000	0000000	000000


						1/2	0.47" to 0.55"	10	24	1 3/8"	-40 to 250	Neoprene	0000000	00000	0000000	00000
						5/8	0.62" to 0.67"	10	24	1 3/8"	-40 to 250	Neoprene	0000000	00000	0000000	00000
						3/4	0.72" to 0.80"	10	24	1 3/8"	-40 to 250	Neoprene	0000000	00000	0000000	00000
						7/8	0.85" to 0.92"	10	24	1 3/8"	-40 to 250	Neoprene	0000000	00000	0000000	00000
						1	0.97" to 1.05"	5	12	2 3/8"	-40 to 250	Neoprene	———	0	0000000	00000
						1 1/8	1.05" to 1.17"	5	12	2 3/8"	-40 to 250	Neoprene	———	0	0000000	00000
						1 1/4	1.19" to 1.30"	5	12	2 3/8"	-40 to 250	Neoprene	———	0	0000000	00000
						1 1/2	1.38" to 1.55"	5	12	2 3/8"	-40 to 250	Neoprene	———	0	0000000	00000
						1 3/4	1.63" to 1.80"	5	12	2 5/16"	-40 to 250	Neoprene	———	0	0000000	00000
						2	1.95" to 2.05"	5	12	2 3/16"	-40 to 250	Neoprene	———	0	0000000	00000


						2 1/4	2.25" to 2.30"	5	12	2 5/16"	-40 to 250	Neoprene	———	0	0000000	00000
						2 1/2	2.47" to 2.55"	5	12	2 5/16"	-40 to 250	Neoprene	———	0	0000000	00000
						2 3/4	2.69" to 2.85"	5	12	2 5/16"	-40 to 250	Neoprene	———	0	0000000	00000
						3	2.94" to 3.10"	5	12	2 1/4"	-40 to 250	Neoprene	———	0	0000000	00000
						3 1/2	3.38" to 3.60"	5	12	2 5/16"	-40 to 250	Neoprene	———	0	0000000	00000
						4	3.94" to 4.10"	5	12	2 5/16"	-40 to 250	Neoprene	———	0	0000000	00000
						—	0.41" to 0.48"	10	24	1 3/8"	-40 to 250	Neoprene	0000000	00000	0000000	00000
						—	0.55" to 0.61"	10	24	1 3/8"	-40 to 250	Neoprene	0000000	00000	0000000	00000
						—	0.66" to 0.73"	10	24	1 3/8"	-40 to 250	Neoprene	0000000	00000	0000000	00000
						—	0.79" to 0.86"	10	24	1 3/8"	-40 to 250	Neoprene	0000000	00000	0000000	00000


—	0.91" to 1.01"					10	24	1 7/16"	-40 to 250	Neoprene	0000000	00000	0000000	00000
—	1.30" to 1.42"					5	12	2 3/8"	-40 to 250	Neoprene	———	0	0000000	00000
—	1.53" to 1.67"					5	12	2 5/8"	-40 to 250	Neoprene	———	0	0000000	00000
—	1.75" to 1.92"					5	12	2 5/16"	-40 to 250	Neoprene	———	0	0000000	00000
—	2.06" to 2.17"	5				12	2 5/16"	-40 to 250	Neoprene	———	0	0000000	00000
—	2.31" to 2.42"	5	12			2 5/16"	-40 to 250	Neoprene	———	0	0000000	00000
—	2.53" to 2.72"	5	12			2 3/8"	-40 to 250	Neoprene	———	0	0000000	00000
—	2.86" to 2.97"	5	12			2 1/4"	-40 to 250	Neoprene	———	0	0000000	00000

Expansion Plugs for Cleanout Tees

Seal cleanout tees when testing your drain, waste, and vent systems for pressure and leaks—no need to inflate these plugs with an air compressor or hand pump. To install, insert the plug end into your pipe so the curved foot is on the bottom threads of the cleanout tee, then push down the handle to lock it into the foot. The foot has a two-stage release latch: lift the handle one notch to release the plug and allow liquid to drain slowly, then lift the handle again until the foot fully disengages to take out the plug.

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						Steel Handle
Size	ID	Air, psi	Water, ft. of head	Overall Ht.	Temp. Range, ° F	Seal Material	For Use With		Each



	2	2.067"	65	150	9 1/2"	32 to 120	Natural Rubber	ABS Pipe, Cast Iron Pipe, PVC Pipe	00000000	000000


	3	3.068"	65	150	11 3/4"	32 to 120	Natural Rubber	ABS Pipe, Cast Iron Pipe, PVC Pipe	00000000	00000
	4	4.026"	65	150	13 1/2"	32 to 120	Natural Rubber	ABS Pipe, Cast Iron Pipe, PVC Pipe	00000000	00000
	6	6.065"	35	80	18"	32 to 120	Natural Rubber	ABS Pipe, Cast Iron Pipe, PVC Pipe	00000000	000000
	8	7.981"	20	40	19"	32 to 120	Natural Rubber	ABS Pipe, Cast Iron Pipe, PVC Pipe	00000000	000000