Centrifugalpumper

The Welch CRVpro pumps are high-performance two-stage vacuum pumps. They 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.

• Cool running operation for less oil consumption
• Coated oil case to slow metal corrosion
• Extended oil change intervals for less maintenance costs
• Dual voltage

Scope of supply: Every pump is supplied complete with Directorr™ Premium vacuum pump oil, centering rings, clamping rings and motor overload protection.

Specifications
Ultimate pressure without gas ballast partial:	5 x 10-4 mbar
Ultimate pressure without gas ballast total:	2 x 10-3 mbar
Ultimate pressure with gas ballast total:	7 x 10-2 mbar
Connection:	DN 16 KF
Motor rating 50/60Hz:	0.37/0.4 kW
Nominal speed 50/60Hz:	1450/1740 rpm
Dimensions (L x W x H):	463 x 157 x 230 mm

Accessories Accessories for CRVpro 4/6/8/16/24/30 Accessories Vacuum gauge VMpro 2 Alternative Rotary vane pump CRVpro 16/24/30 Alternative Rotary vane pumps Complete packages Basic CRVpro 2/4/6/8 Alternative Rotary vane pump Complete packages Premium CRVpro 4/6 + VMpro 2