Edwards Diffstak 100-300 Diffusion Vacuum Pump Stack. Top plate is about 11" in diameter; the main mounting flange is about 13" across.
This came from a vacuum sputtering assembly that we parted out. Diffstak 100/300 VapourPump The Edwards Diffstak 100 (ISO100 inlet) design has been proven over many years with thousands of pumps installed. This pump has a manually operated high vacuum isolation valve and is supplied with: NW25 elbow, NW25 centering-ring, NW25 clamp, water pipe couplings and ferrules, inlet ISO 100 Co-Seal. Check out the data sheet here.
The item "Edwards Diffstak 100-300 Pneumatic Vapor Diffusion Vacuum Sputtering Pump Stack" is in sale since Friday, May 24, 2013. This item is in the category "Business & Industrial\Healthcare, Lab & Life Science\Lab Equipment\Pumps".
The seller is "zoro" and is located in Saint Paul, Minnesota. This item can be shipped worldwide.