Problem: A customer at a coke plant has a 42″ Coke Oven Gas Main that was experiencing <75% wall loss in the vapor space of the main due to high volume ammonia. There were significant leaks on the entire piping system.

At A Glance

  • Cost to replace $1.5MM without factoring in loss of production due to downtime.
  • Repairs were completed with minimal unscheduled downtime.

  • Engineered repair brought piping system back to original design specs.

  • Complete at a fraction of the cost of replacement.

Coke oven composite repair before

Before

Coke oven composite repair after

After

Solution

RAK utilized an engineered multi-layer composite system to bring this piping system back within its original design specifications. This was paired with a chemically resistant resin system designed to withstand constant exposure to high volume ammonia.

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