Alvin Markus is owner of PVF Engineering, consultant to the PVF industry. He is a veteran of 30 years’ manufacturing as president of Sunweld Fitting Co.; 15 years’ distributing with Smith-Cooper International as vice president engineering & quality assurance; and 15 years as a PVF consultant, including sales & inspection training seminars. He can be reached at 310/551-5273 or e-mail at amarkusla@aol.com.
Although grooved fittings originated during World War I for rapid deployment of fuel and water lines to allied forces, grooved piping systems have become the fourth conventional piping method along with threaded, welded and flanged.