Oil-Flooded Rotary Screw Compressed Air Systems

Ingersoll Rand is your trusted partner in compressed air. We can help take your productivity further.

Staying ahead of your competition with advanced compressed air systems and services that boost productivity, lower operating expenses, and extend equipment life is critical to your success. Learn more about IR oil-flooded rotary screw compressor.

Best-in-Class Efficiency
Next Generation
   Energy Saving

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IR Oil-Flooded Rotary Screw Compressor

Fixed speed or VSD optional

  • i Efficiency for Constant 
  • n  Efficiency for Variable 
  • ie   Premium Efficiency for Constant 
  • ne    Premium Efficiency for Variable
Model Series

R series 4-in-1 type

Nominal Power

4-22 kw (5-30 hp)

Max Pressure

4.5-14.0 barg (65-200 psig)

Air Capacity (FAD)

0.4-3.68 m³/min (13-130 cfm)

Fixed Speed Type

R Series 4i-11i &UP6(S) 4-11 

Variable (VSD) Type

R Series 4n-11n VSD & IRN20-30 VSD

Model Series

New Generation RS series

Nominal Power

11-37 kw(15-50 hp)

Max Pressure

4.5-14.0 barg (65-200 psig)

Air Capacity (FAD)

1.2-7.2 m³/min (42-250 cfm)

Fixed Speed Type

RS 11i(e)-37i(e) fixed speed

Variable (VSD) Type

RS 15n(e)-22n(e) VSD, RS 30n-37n VSD

What Makes Our Compressors Unique?

No matter the industry or application, you can count on Ingersoll Rand® as a trusted partner for oil-flooded screw compressed.

Iot compressor control

IoT Controller

30 different languages. Web-enabled for remote compressor control and email notification of alarms.

Precision Airends

World-class airends, along with efficient induction or optional variable speed motors minimize energy use.

Demanding Work

Our oil-flooded rotary screw compressors operate both indoors and outdoors at extreme ambient temperatures. 

Flexible Choices

Choose from reliable fixed speed and ultra-efficient VSD compressors to best match your demand profile.

Customized Compressors for Your Application

Ingersoll Rand offers a wide portfolio of reliable products that will adapt to your industry and application. 


Manufacturing & Assembly

High-quality air for your facility, from start to finish.

Metal Working

The power source to keep production moving quickly.

Craft Brewing

High-pressure compressed air for washing and bottling operations.

Lower Cost

R-Series compressors significantly reduce energy use(>17.5%).

Why Choose IR Oil-Flooded Rotary Screw Compressor?

Yasion believes that every customer wants to buy a durable and affordable oil-flooded rotary screw compressor. 

  • Compact design reduces footprint.
  • An extremely low failure rate(<1%).
  • The compressor keeps very low noise during operation.
  • More than 20 years of service life with effective maintenance.
  • Help users save more than 18.5% of electricity costs in one year.
  • Oil-flooded rotary screw compressor can operate over 24 hours.

Production and Delivery of Orders

We ensure that our work with customers is fast and efficient.


Confirm Order

Our consultants confirm the details of the order with the customer, including general, custom requirements, etc.


Perfect Details

Design solutions for customers and determine the fastest delivery date and packaging of goods, etc.



We send customer order to Ingersoll Rand China factory to start product production.


Daily Updates

Our consultants will proactively update the production process of the machine for the customer.


Final Product

Pre-shipment testing and strict inspection of compressors. Test report available.



Wooden case packing and fast delivery, including sea, land, and air transportation.

B2B solutions

Those who have cooperated with us for a long time have a profit growth rate of 17% in the first year and 29% in the second year.


  • 10-30% advance payment
  • 2-10% order discount
  • Market protection, exclusive supply
  • Expert monthly training
  • Consultant one-to-one service
  • Help you increase profits

B2C Solution

  • Fastest 3-days delivery
  • Support door-to-door delivery 
  • Factory direct shipment
  • OEM compressed air system design
  • Package Care-100% risk transfer
  • AirCare-extended warranty service
  • 7 ×24-hour after-sales support
  • On-site maintenance service

Oil-Flooded Rotary Screw Compressor Buying Guide

What is an oil-flooded screw compressor?

Oil-flooded rotary screw compressor is also called oil contact screw compressor, It uses lubricating oil to hydraulically seal the screw, which turns compressed air.

Should I choose fixed speed & VSD type?

The fixed speed type air compressor is cheaper than the VSD type compressor, but the VSD type compressor saves more electricity in industrial production.

How much is the oil-flooded air compressor?

USD 1500-150000. The machine price of IR depends on many factors, including kw, hp, production factory, etc.

What does a compressed air system?

The complete compressed air system mainly includes oil-flooded rotary screw compressor, air dryer, air receiver tank and air treatment equipment.

Types of Oil-Flooded screw compressors?

Ingersoll Rand China produces a full range of IR oil-flooded rotary screw compressors, including: R-Series: Durable and reliable R-Series products in a compact design. UP6(S)-Series: Economical and affordable 4-22kw oil-flooded air compressor. IRNU-Series: 15-30kw innovative integrated VSD type air compressor with tank. Next Generation R-Series: Advanced V-Shield technology provides a fully integrated design to prevent oil leakage.

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