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        Product category
        ITT GOULDS
        ITT Rheinhütte
        ITT CCT
        Contact us

        Shanghai Snow Horse M&E Equipment Co.,Ltd

        NAME:James Wang

        TEL:021-5045 1205

        FAX:021-5045 1205




        Bearing Isolators


        Shanghai Snowhorse M&E Equipment Co., Ltd. as the first level distributor which authorized by INPRO/SEAL and the top sales distributor of China, was awarded the Eagle cup in 2014.  Mr. MARK, President of INPRO/SEAL global present the reward in person.

        For INPRO/SEAL products, we have not only professional sales staff, but also strong after-sales service capabilities. Our company can provide door-to-door inspection, measurement and best proposal.  We can also provide door-to-door installation and commissioning after sales. Up to now, we have successfully provided technical upgrading for a number of world-class enterprises, and completely solved site leakage problems.
        If you has any leakage problems with your equipment, please feel free to contact us, we will provide you the best solution.

        At the start of project, industrial users usually pay great attention to the quality of the bearing, and often designate equipment manufacturers to adopt high-quality bearing brands such as SKF, FAG, NTN, etc., and use high-quality lubricating oil recommended by manufacturers to ensure the service life of the bearing, so as to ensure stable operation of the equipment and reduce maintenance. Temperature and vibration probes will also be installed at key bearings to monitor bearing performance.However, the oil seal is often ignored as a barrier to isolate moisture and dust in the air from the lubricating oil. Up to now, many equipment manufacturers still use the lip seal and ordinary labyrinth oil seal, but these two oil seals have obvious shortcomings, which cannot prevent the oil from being polluted by moisture and dust in the air in the long-term use. Statistics from bearing manufacturers show that 74% of bearing failures are caused by contaminated oil that does not provide good lubrication

        Before the invention of INPRO oil seals, protective bearings were normally sealed with contact skeleton seals and non-contact common labyrinth seals. The skeleton oil seal will leave carbides on the contact surface of the shaft and cause wear to the shaft. Its life is usually 3000 hours. It cannot be replaced timely after losing the sealing function. And as a contact seal, need to consume shaft power, friction generated heat will be transmitted to the lubricating oil and bearings and affect the lubrication effect. According to statistics, each contact seal consumes an average of 147 watts of energy. Thus it can be seen that the skeleton  seal has been unable to meet the requirements of modern industry for high reliability and continuous economic operation of process equipment.


                   Lip Seal                             Ordinary Labyrinth Seal

        The ordinary labyrinth oil seal is non-contact, which does not cause wear to the shaft and does not consume the shaft power. However, it cannot prevent the moisture and fine dust in the air from entering the bearing box, nor can it prevent the oil mist from evaporating into the air. The water content of lubricating oil has great influence on bearing life. Experiments by NASA have shown that when the water content in the lubricant increases, the life of the bearing decreases rapidly.  See table following.