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FLEXILITH™ Structured Packing

Wet Flue Gas Desulfurization Vessels and Absorption Towers

With increased environmental regulations on Sulfuric Dioxide (SO2) emissions and demand for improved technology, a growing need for advancements in Wet Flue Gas Desulfurization (WFGD) equipment has come to the forefront. We have met the challenge by offering the latest lining technology for WFGD vessels on the market today. With the introduction of BEKAPLAST™ lining systems, a thermoplastic lining material, we have raised the bar on advanced lining systems for the WFGD and Absorption Tower Market.

BEKAPLAST™ lining systems create a true monolithic barrier between the process environment and the concrete structure. Each lining sheet normally comes in 5 or 8mm thickness grades. One side of the plastic sheet provides a defined number of anchor studs, creating an inseparable and mechanical bond with the concrete structure. This form of positive interlock is capable of withstanding stresses caused by the different thermal expansions of concrete and plastic. For over 25 years, this highly chemical resistant concrete-plastic bond has had continued success in worldwide applications and markets.

  • Broad temperature and thermal shock resistance
  • Capability for bridging concrete cracks up to 2mm
  • Mechanical strength high impact and abrasion resistance
  • Ease of repair

Systems Available

  • S - (Standard)
  • SL - (Sarnafil-Delta Resistive Layer)
  • LS - (Leak Detection System)
  • DWS - (Double Wall System)


  • HDPE - (High Density Polypropylene)
  • PP - (Polypropylene)
  • PVDF - (Polyvinylidene Fluoride)
  • PVC - (Polyvinyl Chloride)


  • Coal-Fired Power Stations
  • Cement Manufacturing
  • Carbon Sequestration


  • Wet Flue Gas Desulfurization Vessels
  • Absorption Towers
  • Nozzle and Pipes
  • Sieve Baskets
  • Spray Headers
  • Tanks, Boxes and Trenches
  • Pump Tanks

View Chart for Other Applications and Markets for Thermoplastic Lining

BEKAPLAST™ is a trademark of Steuler-KCH GmbH

Koch Knight is a Steuler-KCH BEKAPLAST™ Licensee

Thermoplastic WFGD Vessel
Click on image for
component description

Cross-Section of Thermoplastic Liner Installation
Cross-Section of Thermoplastic Liner Installation
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