... connection Easy installation EXECUTION STANDARDQ/SSL067-2007 "Liquid Ring Vacuum Pump and Compressor". API681 "Liquid Ring Vacuum Pump and Compressor" or DIN28431 "Acceptance Specifications ... -making industry: vacuum dehydration, degassing, deaeration, pressurization blower, etc.Food and beverage: food vacuum packing, vacuum freezing drying, beverage vacuum can filling ...