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About Us

Hebei Xiangte Seal Technology Co., Ltd.

Hebei Xiangte Seal Technology Co., Ltd. is committed to research and development and solve the problem of sealing of high-end products. Specializing in the production and development of FKM, NBR special rubber seals and high-performance polyurethane products.

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HIGH QUALITY

Trust Seal, Credit Check, RoSH and Supplier Capability Assessment. company has strictly quality control system and professional test lab.

DEVELOPMENT

Internal professional design team and advanced machinery workshop. We can cooperate to develop the products you need.

MANUFACTURING

Advanced automatic machines, strictly process control system. We can manufacture all the type beyond your demand.

100% SERVICE

Bulk and customized small packaging, FOB, CIF, DDU and DDP. Let us help you find the best solution for all your concerns.

What are the causes of oil seal leakage?

What are the causes of oil seal leakage? 1. Unsuitable selection Unsuitable specification of oil seals: If the dimensions of oil seals, such as inner diameter, outer diameter or width, do not match with the installation part, it will lead to the oil seals not working properly, thus generating leakage. Inadequate consideration of working conditions: Different working environments and working conditions have different requirements for oil seals. If in high temperature, high pressure, high speed or chemical corrosion and other special working conditions, no selection of the corresponding high temperature, high pressure, chemical corrosion-resistant oil seals, it is easy to leakage problems. 2. Installation problems Incorrect installation method: when installing the oil seal, if it is not operated properly, such as tilting the installation of the oil seal, forcing it to press in or stretching it excessively, etc., it will cause deformation and damage to the oil seal, destroying its sealing performance and leading to leakage. Poor shaft surface quality: the surface roughness, roundness, cylindricity and other accuracy of the shaft surface where the oil seal is installed does not meet the requirements, or the shaft surface is scratched, worn, corroded and other defects, which will make the gap between the oil seal and the shaft uneven, thus affecting the sealing effect and causing leakage. Improper installation position: inaccurate installation position of the oil seal, such as installation of too deep or too shallow, will make the oil seal can not play a normal role, resulting in leakage. 3. Improper use and maintenance Poor lubrication: If the working part of the oil seal lacks sufficient lubrication, or the lubricant used is of poor quality or inappropriate viscosity, it will increase the friction between the oil seal and the shaft, resulting in premature wear and aging of the oil seal, which will lead to leakage. Long-term overload operation: equipment running for a long time in excess of the rated load, will make the shaft speed, pressure and other parameters beyond the range of the oil seal, accelerate the wear and aging of the oil seal, triggering leakage. Failure to maintain in time: In the process of equipment operation, if there is no regular inspection and maintenance of oil seals, the wear, aging or other abnormalities of the oil seals can not be detected in time, it is not possible to take effective measures to repair or replace, which leads to the gradual aggravation of the leakage problem. 4. Oil seal quality problems Poor material quality: The material of oil seal is the key factor affecting its sealing performance and service life. If the rubber, plastic and other materials used for oil seals are of poor quality and unstable performance, such as poor aging resistance, bad oil resistance, etc., they are prone to cracking, hardening, softening and other phenomena in the process of use, leading to seal failure. Manufacturing process defects: oil seals in the manufacturing process, if there are process defects, such as mold precision is not enough, improper vulcanization process, poor assembly quality, etc., will make the oil seal size accuracy, shape accuracy and surface quality can not meet the requirements, thus affecting its sealing performance. 5. Other factors Vibration and shock: Vibration and shock during the operation of the equipment will subject the oil seal to additional stress, resulting in loosening of the fit between the oil seal and the shaft or cavity, and a decline in sealing performance, which in turn will lead to leakage. Media contamination: If the working medium contains impurities, particles and other pollutants, they may enter the gap between the oil seal and the shaft, exacerbating the wear and tear of the oil seal, destroying the sealing surface, resulting in leakage. Aging: oil seals will gradually lose elasticity and sealing performance due to material aging during long-term use. Even under normal working conditions, after a certain period of use, the oil seal may leak.

2025-02-10

How to choose suitable oil seal products?

Selecting the right oil seal product can be considered in the following ways: 1.Understanding application requirements Define the specific application scenarios and requirements of the machinery, such as operating conditions, temperature, pressure and so on. For example, high temperature environment need to choose high temperature resistant material oil seal; the existence of strong corrosive chemicals environment, to choose chemical corrosion-resistant fluorine rubber oil seal. 2. Consider material Material compatibility: Nitrile rubber is suitable for most standard applications, oil and abrasion resistant but with poor ozone resistance, etc.; fluoroelastomer is good at heat, oil and chemical media resistance, but is expensive and poor in cold resistance; silicone rubber is resistant to ozone, light and climate, although the tensile strength and abrasion resistance are weak. 3. Determining size and design Measure accurately: Measure dimensions such as shaft diameter, bore diameter and seal housing width to ensure a tight fit between the oil seal and the equipment. 4. Choose the type of design Single-lip oil seals are suitable for low-pressure, simple environments; double-lip seals are more protective and are used in applications susceptible to contaminants; spring-loaded oil seals excel in high-speed applications; and mechanical seals are commonly used in high-pressure rotating equipment. 5. Focus on Pressure and Temperature Ratings Different oil seals can withstand different pressure and temperature ranges. Ensure that the pressure and temperature ratings of the selected seal meet the requirements of the application to avoid seal failure or leakage. 6. Consider environmental factors If the environment presents challenges such as chemicals, extreme temperatures, sand and dust, you need to select an oil seal with the appropriate protection.

18131923768

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Julu County, Xingtai City, Hebei Province, China.

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xiangteoilseal@163.com

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