Vacuum Pump
https://www.zfzl.com/product/vacuum-pumps-refrigeration-tools-1/vacuum-pump-accessories/
Oil condition deserves particular attention in refrigeration service. Moisture and contaminants can enter the pump during evacuation, and degraded oil can reduce the pump’s ability to achieve and maintain a deep vacuum. Field service guidance recommends treating oil maintenance as part of routine vacuum-pump care rather than waiting until evacuation performance has noticeably deteriorated.
For manufacturers, oil management should therefore be considered when designing and documenting a refrigeration Vacuum Pump. Easy maintenance and clear operating instructions can make a difference for technicians who use the equipment repeatedly.











