Busch Vacuum Solutions, a manufacturer of vacuum pumps, completed the acquisition of Vacuum Furnace Engineering, a manufacturer of furnaces and pumps, from Longacre Group, a private equity firm. Financial terms were not disclosed. “Under Busch’s ownership, we look forward to serving our customers with extended product offerings, best practices and Busch’s global service network. This will maximise the value that we offer and will help more Customers improve their operations," David Byrne VFE CEO.