Preliminary Vacuum Pump

Preliminary Vacuum Pump

 

a vacuum pump that establishes the preliminary vacuum required for the normal operation of a pump providing a higher vacuum. Mechanical pumps are usually used for this purpose.

References in periodicals archive ?
Procurement Provide the Following Sets of Equipment for Energy Beam Diagnostics System Range: Germanium Detector Hyper Gamma Radiation Detection Efficiency 150% and Compton Shield of Nal (Tl) Detector for Hyper Germanium, Preliminary Vacuum Pump, Pumping System Uhv , Working with Controlled Atmosphere Enclosure (Glovebox) Set Microbalance and Accessories, Laboratory Laminator, Hv Installation Cubic Camera Kits, Precision Mechanics Tools, Tool Kits, Mobile, Modular Clean Room.
Procurement Providing Preliminary Vacuum Pumps and Gas Recirculation
Full browser ?