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Maintenance of York compressor’s patented shaft seal technology

2021-01-13View Original

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Maintenance of York compressor patented shaft seal technology. Since 1940, York has applied mechanical shaft seals to industrial refrigeration, submarines, and defense projects – areas where open-type chillers are required and explosion protection is necessary. The sealing surface of the dynamic ring in the first-generation shaft seals is made of graphite, and the following three types of failures often occur: overheating and bubbling of the sealing surface ; The sealing surface adsorbs copper ions, forming a copper plating layer ; Dynamic seal O-rings are prone to deformation, leading to leaks: expansion and bubbling, temperature fluctuations, and wear caused by operation

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