Oil backflow prevention: no system oil contamination during power failure. Forced oil lubrication ensures vane sealing, cooling and high reliability. Large and easy to see oil-level window design helps prevent oil supply shortage. Non-sparking design, suitable for R-32, R-1234yf refrigerants.
Oil drain valve with ball valve design is easier to drain. Inlet Port: 1/4", 3/8", 1/2 Flare. Dimensions: 16.3 x 6 x 12.1 in.
With industrial grade technology, the NAVAC NP12DM 12 CFM Two-Stage Vacuum Pump solves the problems of long-time evacuation, inadequate vacuum level in the service for large commercial refrigeration or central AC systems. The dual stage rotary vane pump and inverter motor lead to faster evacuation and a deeper vacuum. Integrated pump structure and built-in oil back-flow prevention assure superior performance and reliability. The combination of enhanced technology and aesthetic design enables the NP12DM to be a top-class product. Virgin Islands and American Samoa. Due to international voltage requirements, please ask us prior to purchasing to confirm your product will operate correctly in your country.