THE CURRENT SEALING PERFORMANCE AND FUTURE DEVELOPMENTS OF EDGE WELDED METAL BELLOWS MECHANICAL SEALS IN INDUSTRIAL REFRIGERATION COMPRESSORS

摘要

This paper covers the general performance capability and limitations of the various types of mechanical shaft seals in use today in refrigeration compressors and describes the benefits gained by the change to edge welded metal bellows seals. Additionally, new developments and enhancements to these seals including techniques for future environmental control are outlined.