The liquid ring vacuum pumps range includes the following sizes:
- RVS 3÷16 /M directly coupled to the flange of an electric motor and the impeller is supported by the electric motor standard bearings;
- > RVS 17÷21 /SG are supported by a bearing support with two sealed bearings life lubricated with grease;
- RVS 23÷60 /CT bearing support with bearings grease lubricated.
