The Welch CRVpro pumps are high-performance two-stage rotary vane pumps. These robust vacuum pumps impress with their long service life, high reliability and low maintenance requirements. The CRVpro series are the perfect partners for freeze dryers, vacuum concentrators, Schlenklines, glove boxes and vacuum ovens, as well as industrial applications.
Scope of delivery:
- Cool running operation for less oil consumption
- Coated oil case to slow metal corrosion
- Large oil case to reduce the risk of chemical attacks
- Anti-suck back valve
- Dual voltage
every pump is supplied complete with Directorr™ Premium vacuum pump oil, centering rings, clamping rings and motor overload protection.
|Ultimate vacuum (partial) without gas ballast:||5 x 10-4 mbar|
|Ultimate vacuum (total) without gas ballast:||2 x 10-3 mbar|
|Ultimate vacuum (total) with gas ballast:||7 x 10-2 mbar|
|Connection:||Small flange NW 16|
|Motor rating:||0.37/0.4 kW|
|Nominal speed 50/60Hz:||1450/1740 min-1|
|Dimensions (L x W x H):||463 x 157 x 230|