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2. Rotary vane pump - Wikipedia

   en.wikipedia.org/wiki/Rotary_vane_pump

   Furthermore, vane pumps can be used in low-pressure gas applications such as secondary air injection for auto exhaust emission control, or in low-pressure chemical vapor deposition systems [citation needed]. Rotary-vane pumps are also a common type of vacuum pump, with two-stage pumps able to reach pressures well below 10 −6 bar.

3. Edwards Vacuum - Wikipedia

   en.wikipedia.org/wiki/Edwards_Vacuum

   Edwards Ltd is a British multinational vacuum pump and exhaust gas management systems manufacturer. Its headquarters are in Burgess Hill , UK, and has been part of the Atlas Copco Group since 2014. [ 12 ] [ 13 ] [ 1 ] Edwards holds 1,700 patents , including for dry (oil-free) vacuum pumps , and produces equipment used for manufacturing ...

4. Vacuum pump - Wikipedia

   en.wikipedia.org/wiki/Vacuum_pump

   The base pressure of a rubber- and plastic-sealed piston pump system is typically 1 to 50 kPa, while a scroll pump might reach 10 Pa (when new) and a rotary vane oil pump with a clean and empty metallic chamber can easily achieve 0.1 Pa.

5. Gorman-Rupp Company - Wikipedia

   en.wikipedia.org/wiki/Gorman-Rupp_Company

   Diversifying their product line to include a variety of specialized pumps contributed to significant sales increase and growth in the post-war era. [4] In 2021, The Gorman-Rupp Company had sales of $378.3 Million and was listed by industrial database IndustrySelect as one of the largest pump manufacturers in the United States. [5] [6]

6. Pump - Wikipedia

   en.wikipedia.org/wiki/Pump

   Screw pumps – the shape of the internals of this pump is usually two screws turning against each other to pump the liquid; Rotary vane pumps; Hollow disc pumps (also known as eccentric disc pumps or hollow rotary disc pumps), similar to scroll compressors, these have an eccentric cylindrical rotor encased in a circular housing. As the rotor ...

7. Pfeiffer Vacuum - Wikipedia

   en.wikipedia.org/wiki/Pfeiffer_Vacuum

   Pfeiffer Vacuum Technology AG is a German manufacturer of vacuum pumps. [1] It is headquartered in Aßlar in Germany with 70% of the total production catering to the export market. In July 1996 the company was listed on the NYSE and in April 1998 on the TecDAX. Due to low trading volumes, it was de-listed from the NYSE in October 2007. [2]