... : 20mm to 110mm 4. ISO9001,CE PPR Pipe for cold &hot water1>Material:Hyosung(Korea)2>Size:20mm-100mm3>Anti-bacterial4 ... PN=1.25,1.6(for cold water),PN=2.0,2.5(for hot water)6>Certification:CE,ISO9001-20087 ... and energy saving efficiency are very good when used as hot water line.Lightweight” the piping specific gravity of the ... very on the safe side PPR Pipe for cold water and hot water PN=1.25,1.6,2.0, ...