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Atlas Copco - Oil-lubricated Piston Compressor - LE, LT

LE oil-lubricated for single-stage compression

The single-stage oil-lubricated reciprocating compressor allows filtered air to enter both cylinders through the inlet valve. The piston is driven forward through the connection rod attached to the balanced crankshaft. Maximum operating pressure is 10 bar (145psi) and capacities range from 3.4 up to 31.7 l/s at 50 Hz, 8.3 to 79.8 cfm at 60 Hz. Air compressed in the cylinders leaves through the outlet valve when the pressure reaches 10 bar (145psi).

LT oil-lubricated for two-stage compression

The LT two-stage oil-lubricated reciprocating compressor allows filtered air to enter only one cylinder. This low pressure cylinder feeds the second (high pressure) cylinder that can operate at a maximum pressure of 15, 20 or 30 bar (218, 290 or 435 psi) and with the following capacities: 

  • 15 bar (218 psi):  from 3.1 to 11.7 l/s at 50 Hz, 7.6 to 23.1 cfm at 60 Hz. 
  • • 20 bar (290 psi):  from 2.1 to 18.0 l/s at 50 Hz, 5.7 to 44.3 cfm at 60 Hz. 
  • • 30 bar (435 psi):  from 2.5 to 17 l/s at 50 Hz, 6.6 to 41.7 cfm at 60 Hz. 

Compression temperature is decreased between the two stages for increased compression efficiency.

Technical specification

Capacity FAD l/s 3.1 gal/min - 37.2 gal/min
Working pressure 145 psig - 435 psig
Installed motor power 2 HP - 20 HP
Capacity FAD 4.5 cfm - 78.8 cfm

Key features

Total reliability

LE/LT compressors are exceptionally reliable, with the lowest operating temperatures in the industry, and offer quality air with low oil carryover. Built with durable and high-quality materials, they ensure quality performance and a long product lifetime

Low running costs & easy maintenance

LE/LT offer low operational costs and are easy to maintain as components and services points are easily accessible

Save floor space

Our LE/LT compressor is ideal for customers who have limited space requirements. The compressor block, directly coupled to the motor, is manufactured using lightweight materials with excellent cooling characteristics

  • Automotive
  • Chemical
  • Electronics
  • Food & Beverage
  • Medical
  • Pharmaceutical
  • Semiconductor, Solar & Electronics
  • Textile
Atlas CopcoGreat ideas accelerate innovation. At Atlas Copco we have been turning industrial ideas into business-critical benefits since 1873. By listening to our customers and knowing their needs, we deliver value and innovate with the future in mind. Atlas Copco is based in Stockholm, Sweden with customers in more than 180 countries and about 37 000 employees. Revenues of BSEK 95/ 9 BEUR in 2018.
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