All rotary piston high vacuum pumps rebuilt and sold through AVAC have been completely disassembled, cleaned, re-machined and carefully inspected for wear by our factory trained technicians. Units are assembled with all-new wear parts, including, shaft seals, exhaust valves, gaskets, springs, oil distribution valves and bearings prior to undergoing an extended performance test to meet or exceed OEM specifications. All pumps are then painted, detailed, and pass a final quality assurance inspection prior to shipping. A final test certificate is provided with each pump, which will be covered with a one-year warranty.

 The Stokes vacuum oil sealed piston pumps offer maximum reliability and performance in the industries most efficient, space-saving design. These rugged pumps have been thoroughly engineered to maximize uptime and extend operating life. The pumps can be used individually or with mechanical booster pumps to increase both performance and ultimate vacuum. Stokes piston pumps are the industry-standard pump for many industries, including:

• Automotive
• Heat treating
• Metallurgy
• Vacuum melting
• Vacuum coating

Different fluids, such as PFPE fluids, corrosive configurations, and motor voltages are available. Please call for details. Where indicated by price, most models are available new or completely remanufactured, covered with a full one year warranty.