TULSA, Okla. —The Pit Bull® 26 fusion machine from McElroy has been unleashed. The machine can fuse a variety of polypropylene-random (PP-R) pipe sizes, and is ideal for the popular 160mm (6-inch) PP-R piping size. The Pit Bull 26 is designed to provide contractors a go-to machine for their day-to-day PP-R butt fusion operations. The design of the machine is similar to one of McElroy’s best-selling machines for the polyethylene pipe industry, the Pit Bull® …