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How to choose rotor materials for high viscosity rotary pumps

Publication time:2024-07-29

There are generally four materials to choose from for the rotor of a cam rotor pump.

Rubber covering raw materials and stainless steel plates are commonly used in eraser packaging materials, stainless steel plates, copper raw materials, and steel raw materials. The rubber raw material for covering the rotor with rubber products is mainly introduced in detail in the article. From the perspective of the application of processing technology life cycle, the cam rotor pump with rubber covering the rotor is suitable for substances containing wastewater, dirty oil, and fine particles in the crude oil chemical industry.

Compared with stainless steel plates and steel rotors, the advantage of rubber covered rotors in professional centrifugal pumps lies in their strong self-priming ability and wear resistance, which have been widely used in industrial production. Stainless steel plates are suitable for transporting low viscosity processes, such as pure honey, sugar syrup, and other low viscosity substances in the food industry; Copper rotors are generally stronger in self-priming than stainless steel plate rotors in applications, and are commonly used for transporting low viscosity oils with certain requirements for self-priming processes. How to choose the rotor material of cam rotor pump

There are differences in the selection of raw materials for this type of rotor. Based on the physical properties of the material when selecting the cam rotor pump model, it is divided into three methods: fluororubber and EPDM rubber. Practical experience has proven that the rotors made from these three types of rubber raw materials have a wide range of applications and stable characteristics, solving the difficulties faced by customers in their applications from the source. How to choose the three types of rubber raw materials is also a bit different. From the appearance of the rubber, they all have the same color. How to distinguish them.

For example, fluororubber and rubber. From the perspective of three key judgment points: fluororubber should be reinforced with large particle size carbon black ribs, resulting in a darker color, while rubber should be reinforced with small particle size N770 carbon black ribs, resulting in a black and bright color. In terms of proportion, the proportion of fluororubber is 1.9, and the proportion is 1.3. Ignition method: Fluororubber is not easy to ignite and has a light odor; Rubber can burn and has a strong odor.