20bar 30Bar Medium Pressure Electric PM VSD 30hp Screw Air Compressor

Our oil-injected screw compressors bring industry-leading performance, flexible operation and high productivity, reduced energy costs at a minimal cost of ownership. A wide range of compressors

  • Working Pressure:20~30[ bar ]290~435[ psig ]
  • Free Air Delivery:2~5.7[ cfm ]70.0.6~201[ m3/min ]
  • Working Power:22~55[ kw ]30~75[ hp ]

Product Details

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Variable speed screw air compressor features

Designed for efficiency

The components of the oil-injected rotary screw air compressors have been carefully designed in-house. This reduces losses and pressure drop to a minimum, resulting in the highest compressor package efficiency.

Variable Speed Driven

Rocky Variable Speed Drive(VSD) technology closely follows the air demand by automatically adjusting the motor speed. This results in energy savings of up to 35%. Smart compressor room- Industry 4.0, Compressors that are built to last.

High reliability

RKZ series air compressor is ISO 9001 compliant. Long and trouble-free life at the lowest operating cost.Rocky RKM PM VSD oil-injected screw compressors are designed for efficiency. Reliable components guarantee operation in the toughest environments and running conditions.

Monitor your system

It's important to know the status of your compressed air system. With Cloud system you can monitor your compressed air installation which saves you money and avoids breakdowns and production losses.

Using recovered energy

Our PM VSD screw air compressors use an integrated energy recovery system. It recovers up to 78% of the energy from the motor and the element oil circuit.



Technical Parameters

Medium pressure micro-oil screw compressor
ModelPressure           
  (bar)
Air delivery(m3/min)Power(kW)Noise(db)Cooling methodCompressed air outlet pipe diameterDimension                             L*W*H ( mm)Air supply temperatureSupply gas oil content
RKZ2220~302.02265air cooling3/4 "1600* 1100* 1150≤ambient temperature+25℃≤2 ppm
RKZ3720~303.33767air cooling3/4 "1800* 1350* 1500
RKZ5520~306.25570air coolingDN402100* 1550* 1700
RKZ2230~401.62265air cooling3/4 "1600* 1100* 1150
RKZ3730~403.03767air cooling3/4 "1600* 1100* 1150
RKZ5530~405.75570air coolingDN402100* 1600* 1700