This compressor takes the hydrogen gas from a caprolaktame dehydration separation reactor and maintains an stable pressure on the process. Thermostatic valves, last generation valves, rings and packings, nitrogen purge panel for the packings, nitrogen compressor purge, and an intensive instrumentation and control are examples of the features included on this compressor. The tight delivery time (6 months) and the requirements of the local legislation have also been milestones to highlight.