PPR pipe and fitting Equal Coupling 1.Material: ... ,90,110 3.Cert.:ISO9001,CE 4.OEM PPR pipe and fitting Equal Coupling1.Material:YanshangPPR2.Size:20, ... 20 - 160mm 5) Applications: a) Potable water pipe networks for cold and warm water installations of residentialbuildings, hospitals ... horticulture g) Heating pipes for residential housing h) Pipe networks for industry, i.e. transport of aggressive ...