DN25 Gas Flex DZR Straight Coupling

The GFS CSST fitting system is the only “Push and Seal” mechanical push fit system for any CSST system. It is a unique patented system from GFS. It’s advised that all installations are correctly supported with suitable pipe clips. It is also advised that installations are earth bonded under relevant countries standards.

The CSST is easy to bend and reduces the amount of fittings and materials needed, this is in comparison to rigid pipe and traditional plumbing materials. Based on its material properties, CSST offers a high resistance to corrosion. GFS CSST is a stainless steel metal hose with a corrugated construction. It conforms to EN 10380 produced in 316L (1.4404) stainless steel to EN 10028-7 standards. The system is fully permitted for use on 1st, 2nd and 3rd family gases (Natural Gas, LPG and Manufacturing Gas).