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MSG® LMAC™ 20 Centrifugal Air Compressor

The MSG LMAC is a centrifugal compressor with a built-in gearbox, optimized for use in air separation units (ADUS) as the main air compressor (MAC). The compressor unit is designed to be easy to install, operate and maintain, and meet various design requirements for global installations. The MSG LMAC is available in three models that are aerodynamically optimized for use as a MAC in VRU, producing between 150 and 400 tons of oxygen per day (TPD).

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The MSG LMAC is a centrifugal compressor with a built-in gearbox, optimized for use in air separation units (ADUS) as the main air compressor (MAC). The compressor unit is designed to be easy to install, operate and maintain, and meet various design requirements for global installations. The MSG LMAC is available in three models that are aerodynamically optimized for use as a MAC in VRU, producing between 150 and 400 tons of oxygen per day (TPD).

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Description

AIR SEPARATION PROCESS

The bulk composition of dry atmospheric air is ~78% nitrogen and ~21% oxygen, and the remaining ~1% consists of argon, carbon dioxide, and trace amounts of other gases. These gases can be separated by the process of air separation, in which the air is compressed, cooled, and separated by molecular weight in a "cold box". After separation, the gases are compressed again for storage, transportation, or further processing. Ingersoll Rand has the technology and resources to supply the main air compressor (MAC), Booster air compressor (BAC), nitrogen gas compressor (GAN), Nitrogen recirculation compressor (NRC) and argon compressors.

The MSG LMAC is designed specifically to perform the MAC role with optimized aerodynamic efficiency. Interstage coolers are installed after each compression stage to remove compression heat and achieve high isothermal efficiency. MAC is the heart of ASU; its efficient and reliable operation is critical to the success and viability of an ASU project.

 

Features

HIGHLY EFFICIENT DESIGN

MSG LMAC compressors are designed to provide maximum performance over the entire operating range of the compressor and have the following characteristics::

  • Custom 5-axis milled impellers for process-specific aerodynamic designs.
  • Inlet Guide Vanes (IGV)
  • High-efficiency intercoolers and optional aftercooler

ROBUST MECHANICAL DESIGN

MSG LMAC compressors are designed to withstand the harsh conditions of a long and demanding service life thanks to:

  • Tapered thrust rings of the support ring for absorbing loads at low speed.
  • Inclined Platform Radial Bearings
  • Gears and gears with an AGMA rating of 13

STANDARDIZED COMPRESSOR KIT

An easily accessible, standardized design reduces delivery times and simplifies installation/maintenance by::

  • Standard engineering drawings
  • Complete intercoolers and terminal box/MAESTRO ™ Universal control system
  • Transmission with horizontal connector
  • Side lubrication console with dual oil filters as standard
  • Compressor mounting plate

ADDITIONAL APPLICATIONS

In addition to air separation, MSG LMAC can be used for efficient and reliable operation in a number of other applications, including:

  • Aerospace industry
  • Automotive industry
  • Electronics
  • Fertilizers
  • Glass
  • Natural sciences
  • Extraction
  • petrochemical industry
  • Pharmaceutical industry

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