... 3.BV,ISO certificate 4. Used in Heating floor Pipe PE-RT Underfloor Heating Specification:1, Long service life of 50 years2 ... work5, Corrosion resistance6, Impact resistance7, Suitable for the centrifugal heating system and water supply Application PB Pipe Fitting: :1. ... Pure water, direct drinking conveying tube. 3. The floor radiant heating tube, the solar energy water heater pipe. 4. Heat radiator ...