... 2.Size:20mm~110mm 3.Thread size:1/2"-4" 4.Thread standard:ISO,DIN,BS,ANSI 5 ... .G,R,NPT etc. Ppr fittingsFeature:1. Material: PPR ... , Green, Grey, Blue6. Certification: ISO9001-2008, ISO14001Advantage:1. Sanitary, non-toxic, no heavy metal additives, directly ... years under the normal pressure and temperature.Application:1. Residential cool/hot water piping system2. ...