Profile: IPS Water-Tite Products produces inflatable pipe plugs and bypass plugs. Our pneumatic & mechanical plugs are designed to temporarily stop flow for bypassing or testing pipelines. Our mechanical plugs are available in sizes from 1/2 inch through 36 inches. Our inflation hose is a flexible rubber braided hose, manufactured with an inflator on one end and a deflator on the other. We also offer air test control panels, hoses and air test caps that are designed on bypass plugs to test lines.