Under the action of the skeleton oil seal, the rigidity of the oil film just makes the oil film and the air contact end form a crescent surface, which prevents the leakage of the working medium and realizes the sealing of the rotating shaft. The sealing ability of the oil seal depends on the thickness of the oil film on the sealing surface. If the thickness is too large, the oil seal will leak; if the thickness is too small, dry friction may occur, causing the oil seal and shaft to wear; if there is no oil film between the sealing lip and the shaft, it is easy to cause heat and wear. . Therefore, when installing, it is necessary to apply some oil on the sealing ring, and at the same time ensure that the skeleton oil seal is perpendicular to the axis line. If it is not perpendicular, the sealing lip of the oil seal will drain the lubricating oil from the shaft, which will also lead to excessive sealing of the lip. wear. During operation, the lubricant in the casing seeps out a little, so that it is ideal to form an oil film on the sealing surface.
5. PolytetraFluroEthylene (PTFE)
0.4 to 1.6 μmRa,
1.6 to 6.3 μmRz
2. For rubber O.D. wall type:
1.6 to 3.2 μmRa,
6.3 to 12.5 μmRz
(Firmly affixes the oil seal and prevents leakage through the seal O.D.)
The oil seal achieved the limit of tolerances of 0.05 to 0.1 mm, and complies with ISO 9001 and IATF 16949 processes and standards. For advanced level, we will also give you the best solution to your industry field per your project. With our understanding of use and characteristics among rubber materials to make special combinations for different industries and applications, so the most suitable recommendation and best advice from Read More About Valve Oil Seal supplier Xingtai Huimao Trading Co.,Ltd. are available for your inquiry. The temperature resistance ranges from -50°C to 300°C, and shores from 25 to 90 shore A are available to meet industrial, military, aftermarket and international standards. Our materials for oil seals include NBR, FKM, ACM, SBR, EPDM, and so on, including specified materials based on your requirements. These categories of Oil seal included Fork Dust Seal, Valve Stem Seal, Power Steering Oil Seal, Brake Caliper Seal, Transmission Seal, Compressor Shaft Seal, as well as customized sealing.
Read More About Valve Oil Seal supplier Xingtai Huimao Trading Co.,Ltd. provides you with suitable materials per customer need, and uses the latest CAD / CAM technology to make drawings and samples for your approval, also meeting tolerance and standard. Therefore, if you have an inquiry for oil seal, please leave some information such as drawings or other details as below, so we can provide you with advanced planning and consulting services.


(7) Special attention should be paid to prevent dust from immersing in the oil seal.