What condition can cause discharge valves and backing plates on a compressor valve plate to be deformed?

Liquid refrigerant slugging occurs when liquid refrigerant enters the compressor instead of vapor. Compressors are designed to compress vapor, and when liquid refrigerant is sucked into the compression chamber, it can create a violent impact due to the difference in densities between the liquid and vapor phases. This aggressive action can lead to physical damage such as deformation of discharge valves and backing plates on the compressor valve plate.

When liquid refrigerant is present during the compression process, it doesn't compress easily. This can lead to a situation where the compressor's mechanical components are subjected to forces that exceed their design limits, resulting in bending or warping. Understanding the implications of slugging is critical for maintaining compressor integrity and overall system efficiency, highlighting the importance of proper refrigerant levels and the prevention of conditions that lead to liquid entering the compressor.