BOILER VALVES: Avoid Stellite delamination with alternative hardfacing
By Richard Laukam, ValvTechnologies LLC Steam stop valves, located at the boiler outlet, provide isolation. These typically are wedge-type gate valves, stop-check valves, or parallel-slide gate valves. Hardfacing often is applied to the seat and closing member (wedge, plug, or discs) to reduce wear and extend the duration of leak-free service. Hardfacing is the building […]
BOILER VALVES: Avoid Stellite delamination with alternative hardfacing Read More »