PTFE

Description

Steel columns lined with POLYFLURON PTFE can be used for distilling, rectifying (evaporating, condensing), absorbing, quenching, washing or desorbing liquids or liquid mixtures. These liquids can be extremely corrosive media such as hydrofluoric acid (HF), hydrochloric acid (HCl), sulfuric acid (H2SO4), phosphoric acid (H3PO4) as well as their intermediate products and derivatives, which result directly or indirectly during their production or processing.
Benefits

Extreme corrosion resistance: meets extreme demands for corrosion resistance by using materials of the highest quality

Reliability and safety: very high operating reliability and safety, e.g. due to the lowest permeation and diffusion rates, by active permeation management with an advanced venting system and long segment lengths (less flange connections)

Robustness: insensitive to thermal shocks and mechanical stress (clear advantage over e.g. enameled appliances)

Convenience: cost-efficient overall solutions including high-performance internals such as distributors, grids, bubble cup/tunnel trays, raschig rings, packings etc. made of PTFE, PFA, graphite or innovative carbon fiber- based material

Cleanliness: fewer deposits due to anti-adhesive properties; no back diffusion of metal ions into the process medium, e.g. for high-purity sulfuric acid applications

Flexibility: most advanced PTFE welding technologies on the market for e.g. complex geometries, on-site repairs, large dimensions, etc.

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