"Synergistic" Surface Enhancement Also Extends Effective Temperature Range by More than 200°F
For more than four decades, Worcester Controls Corporation has been on the leading edge of ball valve and flow control technology. The Marlborough (Mass.) company has always prided itself on making and selling state-of-the-art products of the highest quality. So Worcester was seriously concerned when it discovered galling of the stainless steel balls used with the powdered metal seats of some of their valve models.