Screw pump is divided into single screw pump, twin screw pump, three screw pump, reliable performance, quality and cheap. Cam high viscosity pump, cam high viscosity pump mainly by the cam rotor, shaft seal, gear box composed of three parts, a pair of synchronous rotation drive gear driven convex rotor rotation, to achieve the media delivery, high efficiency and long life. One difference: type
Screw pump is a positive displacement pump, while the cam rotor pump is integrated gear pump, Roots pump and rotary piston pump advantages, so it does not belong to the positive displacement pump. The difference between two: pump structure
Screw pump body is mainly composed of a metal rotor and rubber stator, which is a rubber stator wear parts. The cam rotor pump body, then contains two shafts, as well as the rotor, but it is not wearing parts. So, their structure is completely different. The difference between three: delivery pressure
Screw pump delivery pressure can be high, up to 20MPa. The cam rotor pump, the delivery pressure is relatively low, usually below 1.6MPa.
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