A. Kenneth Wilson - Aurora IL Ronald E. Barker - Somonauk IL
Assignee:
AMSTED Industries Incorporated - Chicago IL
International Classification:
F16K 122
US Classification:
251368
Abstract:
A valve including a cast or nodular iron body and a cast or nodular iron valve member having sealing surfaces which seal the fluid passage in the closed position of the valve member. At least one of the sealing surfaces in the closed position is formed by a bonded powder metal layer having high wear and corrosion resistant properties.