SRU

ROTARY LOBE POSITIVE DISPLACEMENT PUMPS AND PARTS AND FITTINGS THEREFOR, NAMELY, GEARCASE MOUNTINGS, DOWELS, STUDS, NUTS AND WASHERS FOR ROTOR CASE RETENTION, GEARCASE COVERS, ROTOR CASES, GEARCASE COVER SCREWS, SEALS, SHIMS AND SHIM RETAINERS, ROTOR CASINGS AND ROTORS