• Hand-Tite® Pipe Plugs

    The most versatile and cost effective expansion pipe plug in the water and waste water industry.

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  • Family owned and run since 1965

    Three generations of Grahams have owned the Hand-Tite / R.C. Graham Co.

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  • Simple Design, Versatile Application

    Your source for the most innovative pipe sealing solutions.

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Pipe Plugs, Test Plugs, and Pipe Gaskets

R.C. Graham Co. LLC manufactures and distributes expansion pipe-plugs, test plugs, over-night plugs and pipe gaskets. We are also a distributor of a variety of other water and sewer products: Taylor Made non-pressure plugs, Sioux Chief High Pipes, and Vertex Water-stop gaskets and their patented “0” dapter.

The Hand-Tite Advantage

The Hand-Tite pipe plug is easy to install, requires no tools, and is reusable. With a wide expansion range and competitive pricing, the Hand-Tite pipe plug is the best wing-nut test plug on the market.

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Hand Tite Pipe Plug

Hand-Tite® plugs are the most versatile and cost effective expansion plug in the water and waste water industry.

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Test Titan

Test Titan Mechanical Test Plug

The Test Titan back to front wedge design provides leak-free seal at seven times the psi of ordinary plugs.

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Taylor Made

Taylor Made Pipe Plugs

Patented, polyethylene plug used to keep all types of pipe clean. It’s THE pipe plug, and it’s made to fit your needs.

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Vertex Waterstop Gasket

Vertite® Waterstop gaskets are made from high-quality rubber extrusion, providing durable and reliable water seals.

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Our Mission Statement

R.C. Graham Co. strives to ensure that the global sewer lines are leak free.
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Contact us to enquire about, or order, the perfect solution for your pipe plug or gasket needs.