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april 2011

The UNI-IGC 7129 still allows the use of extendable flexible water pipes.

Only flexible water pipes still have the possibility of being stretched, contrary to what happens in the area of gas.

The entry into force of the new EN 14800 standard, still leaves the UNI-IGC 7129 standard in place for the production and sale of flexible water pipes made with extendable corrugated stainless steel pipe. In fact, for the connections of gas appliances only fixed length pipes covered with a protective sheath of plastic material are allowed.
Flexible water pipes can, therefore, be used for the connection of all those appliances whose fluid conduit is water or fluid. We can, therefore, use them for connection to the water circuits of: fan coils, boilers, radiators, and water heaters.
Their manufacture in AISI316 stainless steel guarantees a total resistance to corrosion, especially from salts dissolved in hard water, in addition to its compatibility with drinking water and food.
Flexible water pipes can be supplied at maximum extension lengths of 400mm as shown in the catalogue but our technical department is always available for the assessment of technical feasibility for different lengths.
The thickness of the material in flexible water pipes never falls below 0.21mm in order to guarantee resistance to pressure. The end fittings are welded using the TIG method which ensures the quality of the welding and their resilience, which is guaranteed through specific tests that are carried out to 100% of their working pressure by pressurising them with air and immersing them in a bath of water.


See also
05/02/2018 Stainless steel flexible pipes with plastic protective sheath Stainless steel flexible pipes meet the UNI CIG 9891 standards which provide the external protection in plastic polymer

05/02/2016 Flexible water tubes made of stainless steel Flexible water tubes, extendible and suitable for use with drinking water

05/09/2016 Flexible metal pipes of our catalogue Flexible metal pipes Gnali Bocia: the reference standard for the welding of fittings and the protective sheath

05/10/2015 Flexible water supply hoses in stainless steel for health care uses as well. The solution for an easy connection of devices to the health care system consists in flexible water supply hoses

05/09/2017 Flexible tubes for water, corrugated in steel Produced in corrugated stainless steel, the flexible tubes for water comply with the UNI CIG 7129 standard

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