What is the maximum back pressure that these plugs can hold?

They can hold a maximum back pressure of 24 ft of head.

What is air back pressure?

Air back pressure is the amount of pressure a plug can withstand without moving.

They are ideal for creating low-pressure seals in circular openings.

We are closed from Monday, Dec 23rd and will reopen on Monday, Jan 6th. Any orders received during this time will be processed in the New Year.

Turn-Tite mechanical expansion plugs from Shaw aid in repair & testing of water, sewer and plumbing systems.

Filter

Style	Model	Nominal Size	Inside Dia.	Max. Air Pressure	Type	Material	Price
A	52401	1"	0.937" To 1.031"	Up To 10 psi	Turn-Tite	Stainless Steel, Neoprene Rubber	£50.92
A	52496	1/2"	0.48" To 0.528"	Up To 10 psi	Turn-Tite	Stainless Steel, Neoprene Rubber	£97.33
A	52498	3/4"	0.719" To 0.791"	Up To 10 psi	Turn-Tite	Stainless Steel, Neoprene Rubber	£100.26
B	52497	5/8"	-	-	Turn-Tite	Stainless Steel, Neoprene Rubber	£97.09
A	52499	7/8"	0.812" To 0.893"	Up To 10 psi	Turn-Tite	Stainless Steel, Neoprene Rubber	£98.94

These plugs have an easy-grip T-handle that expands the seal to close off pipe openings.

These plugs feature stainless steel construction and are intended for pipes with internal diameters ranging from 0 to 1 inch.
They have a chemical-resistant neoprene rubber seal that absorbs shock and protects against the ingress of water & dust.
The Turn-Tite T-handle provides an excellent grip to fasten the expanding plug into a hole.