For two stage requirements and vacuum levels to 0.8” Hg abs., NASH two stage vacuum pumps are ideal for a variety of industrial applications and may be combined with ejectors or boosters to form hybrid packages, allowing higher vacuum levels. There are a couple two stage vacuum pump series currently offered, the TC available in ductile iron and stainless steel, and the AT available in cast iron. Both the TC and AT two stage vacuum pumps feature NASH conical porting.