... Rotor pump( rotary pump, lobe pump) Rotor pump( rotary pump, lobe pump) Operation PrincipleRotor pump is also named colloid pump, three-lobe pump, sole pump, etc ... is transported continuously.Special Structure1. Butterfly rotor pump: with butterfly rotor, it is superior to other ... material.2. Singe butterfly curved rotor pump (powder rotor pump): this pump series are specially design to transport ...