roots blower 1.high pressure roots blower 2.three lobes rotary type 3.cast iron frame Main features:High rotary speed(the maximum speed is ... minShaft power:0.7~167kw Shaft power:1~107kwStandard accessories:blower,inlet silencer with filter,outler silencer,pully,belts,belts cover ... ,flexible joint,pressu-re gauge,shock absorber,expansion bolts.Contact high pressure three lobes roots blower(manufacture)