Specification of RSR Series Roots Blower 1.All models of RSR series RSR-50 RSR-65 RSR-80 RSR-100 RSR-125 RSR-150C RSR-150A RSR-150 RSR-175A RSR-175 RSR-200H RSR-200 RSR-250D RSR-250 RSR-300 RSR-300C 2.Size of Discharge Bore 50(2â?³)ã?�65(2.5â?³)ã?�80(3.15â?³)ã?�100(4â?³)ã?�125(5â?³)ã?�150(6â?³)ã?�200(7.8â?³)ã?�250(9.85â?³)ã?�300(11.8â?³) Or in customers indication range 3.Differential pressure scope 9.898kPa 4.Air capacity scope 0.6184m3/min 5.Power of the motor 0.75280kW NECESSARY STANDARD ACCESSORIES Tuyere take over;entrance&exiting silencer(with air filter);flexible connector;check valve;foundation bolt;deflating valve;pressure gauge;base;gear oil