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 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.
Hand-Tite® plugs are the most versatile and cost effective expansion plug in the water and waste water industry.
The Test Titan™ back to front wedge design provides leak-free seal at seven times the psi of ordinary 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.
Vertite® Waterstop gaskets are made from high-quality rubber extrusion, providing durable and reliable water seals.