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GFS CSST & Fittings

GFS CSST Flexible Gas Pipe & Fittings


GFS CSST is made from 316LStainless Metal Hose with a corrugated construction, it is easy to bend and reduces the amount of fittings and materials required when compared with standard rigid copper pipe installations. The corrugated tube is covered with an easy to identify yellow PE Jacket which is both fire retardant and resistant to UV light. Fittings are made from De-Zincification Resistant Brass (DZR) to EN12164. They are Nickel coated for added material protection and corrosion resistance. All fittings include a heat resistant Silicone Rubber Sealing Ring, Olive and a Brass Compression Washer. The GFS CSST system is manufactured in accordance with BS 7838 and BS EN 15266 which specifies the requirements for material, design, manufacture, testing, marking of stainless steel pliable corrugated gas tubing kits for buildings with a maximum operating pressure less than or equal to 0,5 bars and a nominal size range from DN 15 to DN 50.



  • Quick and Easy Installation
  • Lightweight
  • Annealed for Easy Forming
  • Minimum Tools Required
  • Push & Seal Mechanical Fittings
  • Countdown Marking
  • Saves up to 70% Installation Time
  • Certified to BS7838 & EN15266
Technical Details:  
Pipe Material: 316L according to EN 10028-7
Outer Cover: Yellow Fire Retardant PE
Fitting Material: Chrome Plated DZR Brass to EN12164
Application: 1st, 2nd, & 3rd Family of Gases Only
Pipe & Fitting Sizes: 1, 5, 10, 30 & 90 Meters
Service Temperature: -10°C to 50°C
Max Operating Pressure (MOP): 0.5 bar as per EN15266
  0.75 bar as per BS7838
Certified To: BS7838 & EN15266