... /performance ratio -Low maintenance costs -Set Constant, can be used in sets without further measurement Applications:-Heavy mechanical,engineering ,Crushers -Plastics ... -Compressors ,Screw compressors -Textile machinery, Weaving looms -Ventilators,Axial blowers -Pumps, Rotary centrifugal pumps, -Rotary printing presses -Printing machinery, Construction machinery, -Plate compactors ...