PPR pipe fitting:single brass ball valve,with quality PPR raw material,sizes from 20 to 32mm*1/2 ... ,wall heating and radiant,central air conditioning,industrial liquids transportationAdvatanages:High temperature resistance:the maximum sustained working temperature is up to ... )20×1/2″25×3/4″32×1″ Jiangsu Jiangte High Quality PP-R pipe fitting: single brass ball valve