... also named rotary lobe pump,,threelobe pump. Operation Principle: Rotor pump is also named rotary lobe pump, three lobe pump, ... ), which intakes the material delivered. The 2 rotors divide the rotor housing into many smaller parts and revolves to position a ... -40015000-300015HFZB450-160160L200-40017000-3400018.5HFZB455-200200L200-40021600-4300022 Cam rotor pump