Plug Box Heat Exchangers

Low Cost, High Versatility

Plug box heat exchangers are suitable for a wide range of applications and services, for cooling and condensing of hydrocarbons and gases at several process design conditions in small, medium and large plants. The distributor (header) of this model is a completely welded box with holes in front of each finned tube to allow tube expansion, cleaning and inspection. The design effectively meets conflicting needs such as low cost and high versatility.

Design

Control Devices
  • Autovariable fans
  • Louvers
  • Steam coil
  • Recirculation
Finned Tubes
  • L-finned
  • Embedded
  • Extruded

Performance

This configuration can cover most common applications:

  • Design temperature to 662 °F (350 °C)
  • Design pressure to 220 bar (3,192 psi)

Applications

Upstream: gas lift, gas processing and recompressing, gas reinjection, LNG plants

Midstream: gas pipeline and oil pipeline

Downstream: Refinery and petrochemical

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