Rocky silent screw compressor RDO-280A/W dry oil-free air compressor

The air quality of dry oil-free air compressor complies with the requirement of Class 0 in terms of total oil content, as defined in ISO 8573-1.

  • Working Pressure:7~10[ bar ]101.5~145[ psig ]
  • Free Air Delivery:130.6~1853[ cfm ]3.7~52.5[ m3/min ]
  • Working Power:45~315[ kw ]60~420[ hp ]

Product Details

Rocky silent screw compressor RDO-280A/W dry oil-free air compressor

The air quality of dry oil-free air compressor complies with the requirement of Class 0 in terms of total oil  content, as defined in ISO 8573-1.

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Dry oil-free air compressor Product features

Original German Air-end with  World Well-know Screw Technology

Adopt original German air end with high durability  and good quality, which is perfect for compressing pure and clean air.

New noise reduction design -  Venturi tube mufflter

The first and second stage of the air-end all adopt the  newly developed venturi muffler, and there is also an  impedance integrated muffler, which can greatly eliminate the noise emitted by the compressor pipeline.

Technical Parameters

Dry Oil-free Screw Air Compressor RDO Series
ModelAir Delivery (m3/min)Power
(kW)
Noise
dB(A)
Outlet
diameter
Dimension (mm)  Weight
    (Kg)
7bar8bar10barAir-cooledWater-cooledAir-cooledWater-cooled
RDO-45A/W4.5-7.84.0-6.83.7-6.445 69±3DN502200*1400*20002200*1500*17202650 2700 
RDO-55A/W5.7-9.85.2-9.04.4-7.855 69±3DN502200*1400*20002200*1500*17202850 2900 
RDO-75A/W7.6-13.07.2-12.26.6-11.275 70±3DN502200*1400*20002200*1500*17202950 2900 
RDO-90A/W9.6-16.08.1-13.87.6-13.190 71±3DN502200*1400*20002200*1500*17203000 2950 
RDO-110A/W12.1-20.611.6-19.511.1-18.8110 71±3DN653000*1990*21802800*1900*19903500 3550 
RDO-132A/W14.7-24.813.6-23.011.5-19.5132 73±3DN653000*1990*21802800*1900*19903550 3600 
RDO-160A/W16.9-28.515.6-26.314.1-23.8160 73±3DN653000*1990*21802800*1900*19903650 3750 
RDO-185A/W19.5-32.817.1-28.916.3-27.5185 74±3DN653000*1990*21802800*1900*19904100 4200 
RDO-200A/W21.8-36.820.4-34.618.1-30.6200 74±3DN1004500*2000*21003100*2100*20655100 4500 
RDO-220A/W24.9-41.522.4-37.319.8-33.0220 74±3DN1004500*2000*21003100*2100*20655600 5000 
RDO-250A/W27.3-46.025.3-42.822.7-38.2250 74±3DN1004500*2000*21003100*2100*20655700 5200 
RDO-280A/W31.6-48.630.9-47.529.3-45.0280 76±3DN1004500*2000*21003100*2100*20655800 5300 
RDO-315A/W34.1-52.532.9-50.631.5-48.5315 77±3DN1004500*2000*21003100*2100*20656000 5400