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TCI Introduces Thermoflex Lpg Pipe

TCI Environment International nv has introduced a reinforced fibre thermoplastic pipe for the underground transport of lp gas. The pipe is based on the Thermoflex technology developed by Polyflow and applied to tubing for the oil and gas industry.

The Thermoflex lpg pipe is comprised of a nylon inner liner compatible with both liquid and vapour and aramid fibres for strength.

Francois Meersseman, managing director at TCI, said: “Many are aware of the poor creep properties of plastics in general, and PE pipes in particular. Aramid fibres exhibit excellent creep and strength properties, as proven by their application in bulletproof vests. “Longitudinal fibres are applied to minimise stretch and radial braided fibres provide the burst strength of the pipe. Locking the fibres at the ends of the pipe requires a coupling similar to a hydraulic hose fitting. The metal coupling that is swaged onto the pipe’s ends grabs the fibres and holds them in place.”

The polypropylene outer jacket provides an abrasion resistant layer to protect the braiding. Francois said: “Unlike with solid unreinforced PE pipes, scratching or gouging of the outer jacket does not degrade the physical properties of Thermoflex lpg pipes. As long as the braiding is not damaged or cut, the integrity of the pipe remains unaffected. “TCI’s Thermoflex lpg pipes are installed underground in continuous runs between tank and pump and dispenser, eliminating the delicate and time consuming jointing and welding work associated with steel tubing.”

The lpg gas pipes come in sizes DN20, DN25 and DN32, and larger pipe sizes for tank offset fill lines and industrial butane/propane installations can be manufactured on request. The pipes and associated couplings have a rated pressure of 500psi – 35bar with a 1,5 design safety factor and are supplied in coils of 200m or longer.

Contact TCI Environment International nv on + 32 34 598076 www.tci-e.com