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Ultimate Operating Vacuum:

Pumping Speed:

Applications:

Compression / Pressure Service?

Lubrication Style:

Vacuum Pump Stages:

Power Source:

Mounting:

Help with Rotary Vane Vacuum Pumps and Systems specifications:

Operating Vacuum
   Ultimate Operating Vacuum:       Vacuum or pressure is often measured in torr, or mm Hg referenced above absolute zero pressure. Sometimes the following reference terms are used: 1 torr and above: Rough Vacuum 0.001 to 1.0 torr: Medium Vacuum Below 0.001 torr: High Vacuum There are other terms and standards used, such as medium vacuum and ultra high vacuum; consult supplier for application specifications. 
   Search Logic:      User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria.
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Pumping Speed
   Pumping Speed:       Pumping speed or displacements relates to the air volume capacity of the vacuum pump. Vacuum pumps are flow-rated according to the volume of air exhausted with no pressure differential across the pump. 
   Search Logic:      User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria.
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Applications
           
   Your choices are...         
   General Purpose / Industrial       General purpose uses covers a wide range of industrial and manufacturing applications. 
   Analytical / Scientific       Analytical or scientific applications include electron microscopes, analytical spectrometers, or physics experimentation. 
   Chemical / Corrosive Gas       Designed for use with chemicals and/or corrosive gases and vapors. 
   Food Processing       Food processing applications include freeze drying, conveying, and sanitary packaging. 
   Manufacturing Processing       Vacuum pumps designed for use in manufacturing applications such as plastics vacuum forming, degassing, vacuum sintering and casting, etc. 
   Medical / Laboratory       Specialized for use in highly specialized medical or biomedical laboratory applications. 
   Packaging       Vacuum packaging applications include shrink-wrapping and packaging of food, candy, electronic and medical devices and components. 
   Pharmaceutical / Sanitary       Sanitary applications, such as pharmaceutical or food and beverage processing, require features such as sterilizability, nonabsorbent seals, and other clean components. 
   Power Generation       Applications such as condenser venting and vapor recovery in power generation systems such as hydroelectric, nuclear, or fossil fuel power generation. 
   Semiconductor Manufacturing       Designed specifically for the demands of semiconductor, chip, or board manufacturing applications. 
   Other       Other unlisted, specialized, or proprietary application. 
   Search Logic:      All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
   Compression / Pressure Service       Some vacuum pumps may be used for compression of air or other gases. 
   Search Logic:      "Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice.
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More Specs
   Lubrication Style       
   Your choices are...         
   Dry / Oil-less       Dry or oil-less lubrication styles use permanently sealed bearings or other isolation technology eliminate oil in the fluid train. 
   Splash Lubrication       Oil splashes onto components from bath. 
   Oil-flooded       Oil-flooded lubrication is sometimes used in rotary vane and other mechanical pump styles. This type of lubrication involves a heavy application of oil for moving parts. 
   Positive Pressure       In positive pressure lubrication, oil pressure is maintained for highest level of lubrication. 
   Other       Other unlisted or specialized lubrication technique. 
   Search Logic:      All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
   Vacuum Pump Stages      Stages can be sequential stages of the same technology type (mechanical or Venturi), or two or more different type pumps packaged together, such as a rough, medium, and high vacuum pump system of different technologies.
   Your choices are...         
   Single Stage       In single stage of evacuation, air is moved directly from chamber into atmosphere. 
   Two Stage       Air is evacuated in two stages for lower absolute pressure. 
   Three Stage       Three chambers are used in succession. 
   Four or More Stages       Four or more evacuation stages are employed. 
   Search Logic:      All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
   Power Source       
   Your choices are...         
   None       Not having a power source is an option for some high vacuum pumps such as turbomolecular, where vacuum is increased by molecular absorption rather than mechanically moving parts. 
   Compressed Air / Fluid       In compressed air / fluid systems, power is derived from nonelectric media such as motive fluid. Compressed air is most common, but hydraulic or other power sources are possible. 
   DC Power       DC power includes battery and power supply inputs. 
   AC Single Phase       Single-phase AC motor voltages include 115V/60Hz and 230V/50Hz. 
   AC Three Phase       Many industrial devices run from three phase power such as 208V or 377V. 
   Engine       Pumps whose primary power comes from an engine, such as a gasoline or diesel engine. 
   Magnetic Drive       Magnetic drives typically use a rotating magnetic field to drive the pump impeller. This can allow for seal-less construction and is often used for pumping clean liquids or gases. 
   Other       Other unlisted or specialized power source. 
   Search Logic:      Products with the selected attribute will be returned as matches. Leaving or selecting "No Preference" will not limit the search criteria for this question; products with all attribute options will be returned as matches.
   Mounting       
   Your choices are...         
   Benchtop       Benchtop mounting is used for products small enough to mount or be placed on a bench or table. These models may include portability. 
   Cart / Portable       Portable mounts include wheels, casters, or easily movable frames for frequent relocation. 
   Floor / Skid       The device rests on floor or on a skid; they are typically used for larger vacuum pumps. 
   Permanent Installation       Permanent installation is used with very large systems or stations that are installed permanently in one place. 
   Other       Other unlisted, specialized, or proprietary mounting style. 
   Search Logic:      Products with the selected attribute will be returned as matches. Leaving or selecting "No Preference" will not limit the search criteria for this question; products with all attribute options will be returned as matches.
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