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CRV pro6 – Vacuum for laboratory applications from Welch

CRV pro6 – Vacuum for
laboratory applications

Discover the latest generation of twostage rotary vane pumps from Welch. Their improved cooling geometry in combination with a large, impregnated oil reservoir makes it a reliable and low-maintenance partner for freeze dryer, Schlenk, vacuum centrifuges and various industrial applications.



Article Order Number
CRVpro 6 basic package, 230 V/50 Hz, CE 109243095


The CRVpro basic complete package consists of a CRVpro 6 rotary vane pump with all necessary accessories such as oil mist separator AKD 16, 2-way ball valve, transition flange DN16KF-10/8 mm, vacuum hose (1.5 m), oil change kit and 2 liter Directorr Premium vacuum pump oil.


  • Highest reliability due to stable operation and long service life
  • Low maintenance costs due to low oil consumption


  • Low noise level
  • No oil backflow
  • Gas ballast for condensation avoidance
  • Large and corrosion protected oil housing