impeller Russia

... of liquid to the periphery; a closed type impeller has a higher efficiency and longer service life compared to open and semi-closed impellers; bell-type fit of the impeller on the pump shaft precisely keeps the geometric position of the impeller with respect to the guide vanes; the vertical position of the shaft resting on a heavy-duty carrying cushion in the vertical plane, and sleeve type...

... of the same size. Special design of the fan housing. This made it possible to remove the gap between the fan walls and the impeller, which any conventional fan has. Certified product. Fan speed:0 - 2500 rpm Estimated performance:401 m3/hour Estimated fan life:50 000 hours LxWxH:33х32х17,5 cm Weight without pillow:1,8 kg Weight with pillow:2,1 kg Voltage:220 V Type of plug:Euro...