Vac Aero International Inc., Oakville, Ontario, Canada, in conjunction with its U.K. affiliate, Vacuum and Atmosphere Services (VAS) from Birmingham, installed a large bottom loading vacuum furnace at Doncasters Bramah facility in Sheffield. The furnace is a VAV 7272 HV-2 vertical unit with a working zone of 72 in. diameter and 72 in. high, all metal hot zone, Stokes 1722S pumping system, a 35 in. Varian diffusion pump, Honeywell controls, Allen Bradley PLC and a recirculating water system and IG gas storage tank. The unit was installed and commissioned by VAS with a Vac Aero technician overseeing the operation.