McElroy Manufacturing, Inc. (MMI) has recently redesigned and improved the fusion machine that revolutionized the industry of polyethylene pipe fusion. The new TracStar 500 Series II Fusion Machine adds strength and versatility to the original TracStar 500. In 1997 MMI unveiled the world’s first self-contained, self-propelled, all-terrain hydraulic fusion machine — the TracStar 500. The mobility of the track system, removable jaw assembly and elimination of a third party generator are features the operators of …
TracStar 500
HDPE Solves Earthquake Damage Problem In Washington State

Olympia, WA, is not the ideal setting for a major construction project. The city is located on the shores of South Puget Sound, with the rugged Olympic Mountains rising in the distance across Capital Lake and the dome of Washington State’s capitol soaring above the town. However, when an earthquake with a magnitude of 6.8 struck Olympia and the greater Puget Sound on Feb. 28, 2001, a good portion of the city quickly became a …
Mining Operation Uses HDPE to Shortcut Tailings Cleanup

Kellogg, ID — In the late 1800’s men started tunneling into the mountains around Kellogg, Idaho with little more than a pickaxe and shovel searching for the precious metals that have inspired songs and mass migration. Over a hundred and twenty years later, the many miles of tunnels have become a Federal Superfund site that faces a multi-million dollar cleanup effort. The Bunker Hill Superfund site is considered by the EPA to be one of …
McElroyIntroduces New TracStar 618 Fusion Machine
McElroy Manufacturing, Inc. (MMI) has recently completed rigorous infield testing on the new TracStar No.618 fusion machine and are ready to unleash it on the ever-expanding world of large diameter polyethylene pipe. The new TracStar enters the market on the heals of the highly successful campaign of the TracStar No.28 and TracStar No.412. In 1997 MMI unveiled the world’s first self-contained, self-propelled, all-terrain hydraulic fusion machine — the TracStar 500. The TracStar 900 followed and …