... ,32,40,50,63 2.material:Yanshang PPR,brass 3.OEM Stop Valve:1.size:20,25,32,40,50, ... pure water and drinking waterAnticorrosion, anti-encumbrance: using the pipes can avoid the rustlings of laver and bathtub which was ... and pressure resistance the water temperature that transport by the pipes can reach 95 C when working under the long ... reach at least 50 years under normal use. Stop Valve for PPR pipe