Lian Yu Oil Seal Enterprise Co., Ltd. has been a professional manufacturer of vehicle and mechanical oil seals since its establishment in 1978. The company’s commitment to honest business operation, innovation and progress, and excellent service provision comes from the belief that expertise and quality not only plays a key role in the continuity of LYO, but is also the driving force behind its corporate development. LYO does its best to meet clients’ needs, bringing them great advantages in market competition.

By adopting a two-path strategy of OBM (original brand manufacturing) with the brand name “LYO” and OEM (original equipment manufacturing), Lian Yu Oil Seal Enterprise Co., Ltd. has made imprints in global markets on all five continents for decades. Believing that “growth in clients is growth in ourselves, ” LYO has so far enjoyed stable and continuous growth as well as a firm position in the international market. In addition to opening up overseas markets, training quality manpower, maintaining vigorous ambitions, and creating lasting, mutually beneficial client relationships are among the driving forces behind LYO’s business operations.

Lian Yu aims to produce the highest quality of oil seal and export around the world. To keep updated with the latest market needs, the company is using the new technology to improve the transfer and exchange of information across the corporation. It makes every effort to hire the best engineers to develop the oil seal to the latest market requirements. The unrivalled and expertise in the design and manufacture of oil seals has earned the company great reputation for its outstanding performance, superior quality and competitive price. A commitment from all of the staff is to ensure every piece of item leaving Lian Yu has high quality standards built into it. Please contact us with any questions you may have about the oil seal products and services. The representatives are happy to assist you.

To ensure the quality of the oil seals, all the products of ASA have been made as per ISO certification. Besides, ASA will provide free ASTM 2000 elastomer test reports and free slabs and buttons for your independent testing of each oil seal. View the oil seal product category to check out further details of ASA products and welcome to send your inquiries.

ASA is an experienced oil seal manufacturer with more than 10 years experiences in oil seal tooling design and manufacturing. ASA offers oil seals for European cars, U.S. tractors, agricultural machinery and more. We will be happy to help you.

Are you familiar with the oil seal? Simply speaking, it is an element that is used to seal the oil. It is the very important component for all kinds of mechanical equipments. Although it is small, its application is quite wide. To some degree, its quality and properties have a direct influence on the reliability of the mechanical equipment. Some of these seals have a year’s operation life. Some can only be used for several months. These seals are easily out of service because of the oil leakage. As a result, the working efficiency of the mechanical equipment is seriously affected. Meanwhile, the production cost is increased and the environment is polluted.

Generally speaking, the working principle of the oil seal is simple. In the free condition, the inside diameter of the oil seal’s lip is smaller than that of the shaft collar. And it has the shrink range. After this seal is installed, the interference pressure and the shrinkage force will generate the radial thrust on the slewing axis. When this seal is in operation, the lip of the oil seal will form a seal belt under the influence of the radial thrust. Under the pressure of the lubricating oil the fluid permeates the cutting edge of the oil seal and a layer of oil film is formed. The oil layer can prevent the oil leakage and play an important role in sealability.

During operation, there are a lot of factors that result in the oil leakage. The bad sealability of this seal is the main factor. When the shaft is abraded seriously and there is a groove on the shaft, the oil seal will lose its sealability. Even through people change a new oil seal, the sealability still can not be improved. When the contact pressure between the lip and the shaft is reduced, the shrink range becomes very small and thus the sealability becomes very weak.

How to solve the above-mentioned problem will be introduced as follow. First, the basic method is to grasp the knowledge of the oil seals. Then people can identify the quality and function. Second, check and maintain this seal regularly. As far as we know, the oil seals are often used in the harsh working conditions. The difference in temperature is very big and there is a lot of dust in the environment. If people do not examine them, they are easily out of service. Third, if the shaft collar is seriously abraded or the rubber of this seal becomes old, the related components should be repaired or changed immediately. Fourth, the unused oil seals should be kept properly. Or else, the seals will be easily stained with the dust or greasy dirt. Then they will be out of service.

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