1 Pressure:6500mmAq-9000mmAq 2 Air volume: 58.8m3/min-93.7m3/min 3 Motor power : 110kw-185kw 4 Motor:380v/400v ... 5 Please call us for the detailed parametersFSR250G high pressure roots blowerKey ... standard accessories: Common base, belt cover, fan, pulley, motor, pulley, V-belts, pressure gauge, suction silencer (with air filter), bolt, safety ...