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Products & service / Oil-free reciprocating piston compressors / HX/HN oil-free reciprocating piston compressors

HX/HN oil-free reciprocating piston compressors

Product information:
Atlas Copco’s HX/HN oil-free reciprocating compressors are extremely reliable solutions for methane based fuel gas & biogas, hydrogen and other gases. Designed for 24/24 industrial service, with minimal maintenance cost and long overhaul intervals, HX/HN compressors can work in a most efficient and cost-effective way under difficult site conditions.

Customer benefits:
  • Oil-free - Oil contamination of the gas is excluded by oil free compression of the HX/HN compressors. They are the right choice in case pipeline integrity is key concern or downstream devices might be effected by oil.
    Thanks to their PTFE piston rings and long distance pieces, the compression chambers are perfectly oil-free.
  • Energy savings - The HX/HN compressors save energy by generating the exact flow that matches the real utilization of the process. A wide variety of regulation systems are selectable. The choice ranges from load/unload regulation by means of a unloading valve, partial flow by-pass, variable flow operation by motor speed regulation or a combination of the above solutions. In combination with excellent volumetric compression efficiencies the HX/HN enjoys a favorable operating cost. 
  • High reliability – Low piston speed and low inter-stage temperatures extend service intervals up to 8000 running hours hence reduce operating costs and preserve the inner parts of the machines. The horizontal cylinder design ensures ease of installation due to a low vibration/pulsation for increased reliability. The machine design is derived from API 618. On top of this the horizontally placed cylinder design allows easy and full access to the main components and reduce unproductive time during maintenance tasks.
HX/HN compressors suit a variety of applications and are adapted to meet a wide range of gas compositions and inlet pressures. Both compressors skids and complete containerized variants equipped with drying, purification systems and controls are available.

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Technical Specifications
Gas booster model2 EHNX4 GT (2 units)
FluidMethane (78%), Nitrogen, Ethane, Carbon Dioxide and Oxygen etc.
Inlet pressure1 to 1.8 barG
Discharge pressure12 barG
Capacity3500 Nm3/h to 5000 Nm3/h
Motor450 kW, 6000 Volts