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October 2017

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Rotary Screw Air Compressor with Variable Speed Drive



Ingersoll Rand has introduced new models to its line of Next Generation R-Series compressors, which incorporate the latest advancements in variable speed drive (VSD) technology that are designed to increase air flow output by up to 15%, reduce energy costs by up to 35% and increase system reliability. With the launch of the RS30n and RS37n VSD models, Ingersoll Rand engineers designed a streamlined system engineered to maximize the latest advancements in rotor dynamics coupled with totally enclosed, fan-cooled (TEFC) high-performance motors.

"Faced with high energy costs and an increasing focus on sustainability goals, plant managers and facility owners are under pressure to reduce costs while improving productivity and energy efficiency," said Eric Seidel, Vice President of Product Management for compression technologies and services at Ingersoll Rand. "Our Next-Generation R-Series line reduces customers' energy footprint. In these models, we have combined our state-of-the-art airend with a VSD to provide increased compressor efficiency and durability to keep plants running optimally."

At the heart of every Next Generation R-Series compressor is the airend Ingersoll Rand engineers designed to improve overall system efficiency by ensuring low pressure drops. It is engineered to deliver specific energy output and premier airflow capacity for each compressor application.

The compressors are designed to withstand harsh plant conditions and can run continuously in ambient temperatures of up to 115 °F. The starter panel meets NEMA 12/IP55 protection ratings to provide protection against circulating dust, falling dirt and dripping or splashing liquids.

The RS30n and RS37n compressors also decrease energy use during start-up, which can draw up to 800% of the full load current. RS30n and RS37n limit the in-rush current during start-up, minimizing peak power charges and lowering energy usage.

These models also come equipped with updated standard features to enhance reliability and durability. According to the company, these include:

  • Braided PTFE hoses that increase the lifetime of the compressor and mitigate downtime
  • An integrated dryer that is ISO 1.5.1 classified, which provides higher air purity and reduces the likelihood of damage to tools powered by the compressor
  • A NEMA 12 rated enclosure and standard pre-filter allow these compressors to operate in harsh application environments
  • Enhanced separators and coolers, and standard coolant that lasts twice as long as comparable models, thereby reducing maintenance costs
  • Less energy required to operate, reducing energy costs over fixed speed.

All Next Generation R-Series air compressors are equipped with Xe-series controllers, which allow easy access to and control of the compressed air system. The Xe70 controller has customizable units of measure and built-in sequencing for up to four compressors and communicates directly to the inverter drive to determine the appropriate running speed of the airend.

For more information contact:

Ingersoll Rand Company

Air Compressor Solutions

800 Beaty Street

Davidson, NC 28036

704-655-4061

www.ingersollrandproducts.com

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