Varspeed 3HP Screw Air Compressor With Smart VFD Vsd Motor. Variable Frequency Drive Saves Energy Up To Forty Percent. Delivers Constant Pressure At 11 Cfm And One Hundred Eight PSI Power Output For Heavy Duty Industrial Workshop Tasks.

Vfd 3Hp Screw Air Compressor Provides 11 Cfm at 118 Psi
✔️ 220V 3Hp Oil Lubricated Screw Unit Gives 11 Cfm Consistent Air

This 3horsepower screw air compressor pairs a smart variable frequency drive with a sealed metal tank to supply steady power for heavy shop work and fabrication. Built for tough garages and woodshops, it saves big on electric bills while handling continuous duty cycles with ease. Rolling on casters, the unit measures 1070 mm by 400 mm by 1000 mm or 42 in by 16 in by 39 in and weighs 190 pounds for portable placement near benchtop jigs.

✅ Permanent Magnet Motor with Variable Frequency Drive Modulates Speed Real Time
✅ Oil Injection System cools screw elements and seals rotors for extended operational life
✅ Outputs 11 Cfm Airflow at 118 Psi Maximum Pressure Reach 145 Psi Adjustable Limit
✅ Swivel Casters and U-Shaped Handle Enable Quick Moves Across Concrete Shop Floors
✅ Digital Interface Panel Sets Target PSI and Monitors Health Status of Internal Components
✅ Single Phase 220 Volts Input Wiring Fits Most Workshop Power Drop Locations

💡 How does a permanent magnet variable frequency drive reduce internal clearance losses in oil-injected screw rotors during partial load conditions?

A handy fix for rising utility bills is slowing the rotor spin when tool demand drops instead of venting compressed air through unloading valves. This method keeps the oil film thick and cool while minimizing slip between the male and female rotors.

• Rotational speed adjustment lowers volumetric efficiency loss by tightening active sealing gaps dynamically
• Oil pump flow rates scale directly with screw velocity ensuring adequate lubrication at reduced crankcase pressures
• Thermal balance stabilizes because friction heat generation correlates positively with lowered mechanical engagement forces

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