ROTARY SCREW AIR COMPRESSORS

Rotary screw compressors are ideal for so many industries and applications. Unlike reciprocating compressors, rotary screw compressors are designed for continuous compressed air use and produce a consistent flow of air. Commercial and industrial businesses generally choose rotary compressors due to their reliability and maximum uptime, along with additional benefits such as a lower decibel output when compared to other compressor technologies. Gardner Denver rotary screw air compressors are well known for their durability and efficient performance across a wide range of customer applications. With so many models to choose from and almost endless customizations, Gardner Denver has the compressor to fit your requirements. Whether you need direct or belt driven, variable or fixed speed, low or high horsepower and CFM, Gardner Denver has a comprehensive selection of models to choose from. For decades now, the lubricated rotary screw compressor has been the most popular technology for the majority of industrial plant air applications from 20 to 500 HP and from 80-175 PSIG. There are many ways to review the different rotary screw offerings: comparing airend sizes, fixed vs. variable speed, enclosed vs. unenclosed and single vs. two-stage.

Advantages at a glance

ROTARY SCREW AIR COMPRESSORS

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L SERIES AIR COMPRESSORS

A rotary screw air compressor that delivers outstanding performance with unprecedented serviceability is mandatory in many of today’s industries. Gardner Denver’s L Series line of fixed speed compressors uniquely combines simplicity with cutting edge design. The L Series rotary screw air compressor exceeds performance expectations, while maintaining high efficiency levels.

  • Fixed Speed Single Stage Rotary Screw Air Compressors
  • 4-290 kW or 5-400 HP
  • Standard Quiet Enclosure on all HP
  • Base, Tank or AirStation w/ Dryer Configurations Available
  • 110, 130, 145, or 190 PSI

Features

  • 4-290 kW or 5-400HP
  • L04-L22 (5-30HP) Belt Driven
  • L23-L290 (30-400HP) Direct-Gear Driven
  • Standard Quiet Enclosure on all HP
  • Base, Tank, and AirStation w/ Dryer Configurations Available
  • Standard Air Cooled with Available Water Cooling from 75 to 400HP
  • GD Pilot Multi-Functional Microprocessor Controller Standard on L04-L22 (5-30HP)
  • State of the Art Governor Touch Screen Microprocessor Controller standard on L23-L290 (30-400HP)
  • 3600 RPM TEFC Motors with Wye-Delta Starters standard on all models

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ELECTRA SAVER II G2 SERIES AIR COMPRESSORS

The Electra Saver II G2 builds on the thousands of hours of reliability that were established by its predecessor. Founded on slow-speed, 1800 rpm design principles the new Electra Saver II G2 rotary screw compressors feature super-sized bearings and up to 40 percent larger airends than the competition. The larger airends, running at slower speeds, maximize efficiency and reduce wear and tear, while the permanent alignment of the airend and motor ensure maximum coupling and bearing life.

  • Fixed Speed Single Stage Rotary Screw Air Compressors
  • 40-200 HP or 30-160 kW
  • Unenclosed or Enclosed
  • Slow Speed 1800 RPM Motors
  • 100, 125 or 150 PSI

Features

  • 40-200 HP
  • Unenclosed or Enclosed Base Mount on all HP
  • Air or Water Cooled
  • Standard 1800 rpm ODP motors (TEFC motors optional)
  • NEMA 4 Control Enclosure Standard on all Models
  • Governor touchscreen microprocessor controller
  • Modulation and Load/No Load Capacity Control
  • Tip-out Air and Oil Cooler

Download Datasheet

ELECTRA SAVER G2 SERIES AIR COMPRESSORS

The engineering ingenuity of Gardner Denver began in 1859. For over 150 years, our compressed air products have been a dependable resource for meeting the world’s most demanding and ever-changing industrial needs. A legend in its own right, the Electra Saver was founded on slow-speed, 1800 rpm design principles and has been providing decades of dependability.

  • Variable Displacement Single Stage Rotary Screw Air Compressors
  • Patented Turn Valve Technology for Energy Efficiency
  • 75-300 HP 
  • Unenclosed or Enclosed
  • Slow Speed 1800 RPM ODP Motors (TEFC Motors Available)
  • 100, 125, 150, 175 or 200 PSI

Features

  • 75-300 HP
  • Unenclosed or Enclosed on all HP
  • Direct-Gear Driven
  • Wye-Delta Starters
  • Air or Water Cooled
  • Standard 1800 rpm ODP motors (TEFC motors optional)
  • NEMA 4 Control Enclosure
  • Patented Turn Valve Energy Saving Technology
  • Tip-out Air and Oil Cooler

Download Datasheet

ELECTRA SAVER SERIES AIR COMPRESSORS

Whether it’s the NEMA 4 control enclosure, directly driven airend, patented TurnValve technology or quiet enclosure, the Electra Saver™ is packed with high value standard and optional features that exceed your demands.

  • Variable Displacement Single Stage Rotary Screw Air Compressors
  • Patented Turn Valve Technology for Energy Efficiency
  • 350-500 HP
  • Standard 1800 rpm ODP motors (TEFC motors optional)
  • 100, 125 or 150 PSI

Features

  • 350-500 HP
  • Direct-Gear Driven
  • Wye-Delta Starters
  • Air or Water Cooled
  • Standard 1800 rpm ODP motors (TEFC motors optional)
  • NEMA 4 Control Enclosure
  • Tip-out Air and Oil Cooler

Download Datasheet

LRS SERIES AIR COMPRESSORS

The LRS Series product line by Gardner Denver features variable speed Rotary Screw air compressors, making them more versatile than most other compressor products on the market. The LRS Series’ robust inverter drive system precisely matches power consumption with air demand, providing world-class energy efficiency. Each LRS Series Rotary Screw air compressor is fully enclosed, preventing excessive noise from occurring on the job.

  • Variable Speed Single Stage Rotary Screw Air Compressors
  • 7-290 kW or 10-400HP
  • Standard Quiet Enclosure on all HP
  • Base, Tank or AirStation w/Dryer Configurations Available
  • 110, 130, 145, or 190 PSI

Features

  • 7-290 kW or 10-400HP
  • LRS07-LRS22 (10-30HP) Belt Driven
  • LRS23-LRS290 (30-400HP) Direct-Gear Driven
  • Standard Quiet Enclosure on all HP
  • Base, Tank, and AirStation Configurations w/Dryer Available
  • Standard Air Cooled with Available Water Cooling from 75 to 400HP
  • GD Pilot Multi-Functional Microprocessor Controller Standard on LRS07-LRS22 (10-30HP)
  • State of the Art Governor Touch Screen Microprocessor Controller Standard on LRS23-LRS290 (30-400HP)
  • 3600 RPM TEFC Motors with Wye-Delta Starters Standard on all Models
  • All Models Equipped with Robust Invert Drives

Download Datasheet

VST SERIES AIR COMPRESSORS

The VST Series rotary screw compressor is the most efficient compressor in the world. Designed to deliver tremendous energy savings at part load points, the compressor matches the supply of compressed air to your system’s specific demand. The machine is comprised of two independent compressors and drive systems, minimizing the power required to compress the air in this rotary screw compressor.

  • Two Stage Rotary Screw Air Compressors
  • 75-350 HP 
  • Superior Energy Efficiency
  • Enclosed Base Mount Units
  • Dual Drives for Energy Efficiency
  • 100, 125 or 175 PSI

Features

  • 75-350 HP
  • Enclosed only
  • AirSmart Controller
  • Stepped Injection Technology

Download Datasheet

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