... : 1,certificates:Iso,ce 2,size:DN1216-5163 3,used for hot water and cold water,gas transportation. BRASS FITTING1.material ... vibration, high thermal stresses and high impulse17)connect with pex-al-pex pipe ,pex pipeTechnical specificationmaterial:brassSuitable medium:water,gas,oilnominal ... :1.6Mpaworking temperature:<150°Cpipe thread to ISO228 brass fitting for pex-al-pex pipes