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POMPE VIDE PALETTES ROTATIVES [1 record]

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Alphabetical list of terms

Record 1 2012-02-01

English

Subject field(s)
  • Pumps
DEF

An oil-sealed rotary displacement pump.

CONT

Rotary vane vacuum pumps are built in single- and two-stage versions. Two-stage pumps achieve lower ultimate pressures than single-stage pumps. Moreover, the effects of the gas ballast on the ultimate pressure are lower, as the ballast gas is only admitted in the second stage.

French

Domaine(s)
  • Pompes

Spanish

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