Magnetic pumps have been widely used in the transportation of various liquid chemicals. As a production enterprise, the structure and configuration used to produce magnetic pump products, different structural forms and configurations, will bring different usage effects to customers.
The first aspect is the structural form of the pump. As a magnetic pump product for transporting chemical media, the reliability, safety, service life, and other main factors of the pump should be considered first in product design. These main elements involve whether a pump can maintain long-term operation without maintenance or less maintenance, as well as the consumption costs, accessory costs, and environmental and safety issues that cannot be seen or touched for users. Therefore, it is necessary to design and manufacture a magnetic pump that can ensure the stability of various component sizes under different temperature, pressure, and load conditions, so as to achieve long-term operation without faults of the pump. This is the thinking and concept that product designers should have. Reducing product weight and quality should not be used to achieve cost reduction, and low-cost, low-priced magnetic pumps should be delivered to users for use.
The second aspect is the configuration of pump friction parts. As a magnetic pump product, the vulnerable parts of the pump are mainly the sliding bearings, thrust bearings, and shaft sleeves that frequently rotate and rub in the liquid. The wear resistance of these components will directly affect the service life of the pump and the cost of replacing parts for users. Internationally renowned magnetic pump manufacturers, whether metal or plastic, use corrosion-resistant and wear-resistant silicon carbide materials for sliding bearings, thrust bearings, and shaft sleeves of magnetic pumps. However, the bending strength of silicon carbide is only 451Mpa, and the material is relatively brittle with poor impact resistance. Therefore, if corrosive conditions permit, tungsten carbide materials with a bending strength of 1471 Mpa and more than three times higher impact resistance than silicon carbide can be chosen. Tungsten carbide has advantages such as good toughness and impact resistance compared to silicon carbide. If the pump is worn dry, it will not shatter like silicon carbide material, causing collision and friction between the inner magnetic steel and the isolation sleeve and other components, resulting in damage to the pump. The vulnerable parts of the magnetic pump are made of silicon carbide and tungsten carbide materials, which are the highest configuration, allowing the pump to operate for a long time without maintenance. The service life is much longer than that of materials such as PTFE graphite, graphite, alumina, and silicon nitride. It can reduce the cost of frequent replacement of vulnerable parts and other components by users in a short period of time due to factors such as lack of wear resistance and poor strength, as well as environmental and safety costs.
Magnetic pumps are used to transport corrosive, flammable, explosive, and toxic chemical media. The safety, reliability, and service life of pumps are very important. If there are unreasonable factors in the structure and configuration of the pump, it will bring many troubles and negative impacts to the user, and the direct and implicit costs cannot be estimated.