A professional mechanical seal manufacturer

Lepu Seals is a professional mechanical seal manufacturer, which mainly produces various Chinese mechanical seals, bellows seals, box seals and seal rings. Customers can find different Chinese pump mechanical seals, such as O-ring mechanical seals, PTFE mechanical seals, Flygt mechanical seals, elastomer bellows mechanical seals, single spring mechanical seals and Alfa Laval mechanical seals. All our products have passed relevant certifications, including SGS, CE and UL.


Take mechanical seals (currently the most commonly used and most popular products) as an example:


Also called face seal, it is a rotary mechanical shaft sealing device that can avoid fluid leakage. It is widely used for the rotation of shaft seals, the rotation of pumps, kettles, compressors and other similar equipment. There are many materials for mechanical seals, including rubber, stainless steel, PTFE, carbon, ceramics, Sic and TC.


Mechanical seals are usually made of movable rings, fixed rings, compression elements and sealing elements. Its working principle is that the movable ring and the pump shaft rotate together, and the movable ring and the static ring are tightly combined to form a sealing surface to avoid medium leakage. Taking into account the actual conditions of the mechanical seals running together with other components of the pump, Lepu seals will carry out rigorous testing to ensure the function and technical requirements of the mechanical seals so that they can maximize their value. They can be used in many applications. For example, our mechanical seals can be widely used in the chemical, oil and gas industry, pulp and paper industry, and shipbuilding industry. In addition, in the petrochemical and pharmaceutical industries, customers can also find the usage of our mechanical seals.

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