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The capabilities of the YELLOW JACKET® BULLET® X NH3 and BULLET® DCX NH3 Ammonia Vacuum Pumps make them the premier vacuum pump for ammonia refrigeration and chiller applications. Our newest generation features many benefits to make your job faster and easier, and is brass-free down to the smallest screw for lifelong durability in ammonia applications.

BULLET®X NH3 Ammonia Vacuum Pump is a highly efficient, two-stage rotary vane, oil-sealed pump – field rated to 25 microns or better. The upgraded BULLET®X NH3 Ammonia combines some of the same great features and benefits with enhancements to improve ergonomics and performance.