Vacuum Furnace Systems (VFS) Corp. (Souderton, Pa.; sold a vacuum furnace to PCC Airfoils in Merida, Yucatan, Mexico. The external quench furnace (Model HEQ-5248-2) will be used for heat treating high-speed turbine blades. The chamber size is 36 in. by 30 in. by 48 in. and includes patented GraForm curved graphite heating elements, a graphite insulated hot zone, a 2-bar quench system, and CompuVac supervisory control system. Shipment is scheduled for June 2006.