기능

• Compatible with new refrigerant (HFC) and conventional refrigerant.
• With an electromagnetic oil backflow prevention valve, it prevents backflow of vacuum pump oil and prevents damage to HFC-type refrigerant equipment.
• High vacuum with 2-stage rotary pump.
• Comes with large sight glass for easy checking of oil level and deterioration of oil.
• Comes with overload protection to prevent motor damage.
• For vacuum drawing, drying, and vacuum testing of car air conditioners, large refrigerators, commercial refrigeration air conditioners, room air conditioners, and packaged air conditioners.