Usun Model: Zb10 Ratio10: 1 High Pressure Pneumatic Driven Refrigerant Refilling Pump for Air Conditioning Equipment

Usun Model: Zb10 Ratio10: 1 High Pressure Pneumatic Driven Refrigerant Refilling Pump for Air Conditioning Equipment. High Efficiency Vacuum: Pumps liquid, vapor, and vacuums to 23-27 degrees with one pump. Intrinsic Safety: No heat, flame, or spark risk during operation. Variable Speed Control: Infinitely variable cycling speed and output for precise control. Electric-Free Operation: Air-driven model requires no electrical connection, easy for auto controls. Continuous Duty Ready: No limits on continuous stop/start applications. Long Life Seals: Seals system designed for long working life without airline lubrication. Cool Operation: No heat generated during liquid transfer; minor warming during vapor. CE Certified: Product meets CE certification standards for safety and quality.