Mechanical seal for solid particle medium pump

With the development of modern industry, especially the development of oil and gas fields, mining, metallurgy, electric power, papermaking, fine chemicals, salt chemicals, water supply and drainage, sewage treatment, food processing and other industries, more and more pumps are used to transport media containing solid particles. The fluid medium containing solid particles and fibers is very unfavorable to the mechanical seal of the pump. When the solid particles in the fluid medium enter the end face of the sealing pair, the wear and leakage of the sealing surface will be aggravated. Solid particles deposited around the seal can also interfere with the function of the seal, rendering the seal ineffective. Similarly, fibrous substances entering the end face of the sealing pair will also cause serious leakage of the seal.