McJunkin Corporation, Charleston, WV, announced that one of its subsidiaries has signed a letter of intent to acquire Valvax Corporation, Cincinnati, OH, a valve products and services provider. Valvax Corporation, founded in 1981, is a distributor of valves, engineered valves, valve automation and specialty products in the Midwest market. The transaction is expected to be completed during the second quarter of 2003. The management team of Valvax will stay with the merged business after the closing. Valvax has offices in Columbus, OH; Indianapolis and Evansville, IN; Charleston, WV; and Pittsburgh, PA.