1).Press Fitting for Pex-Al-Pex Pipe 2).Forged Brass Material 3).Certificate: ... of fittings,cut-ring and nut,3)Raw material:brass for different type:DZR,CW617,CZ132,Normal Brass and so on4 ... be made7)Applications:Connecting pipes,suitable for cold water,hot water and gas applications...brass press fitting coupling (union) is made of ...