... Pressure Rating: PN16 3.Working Medium:Water,Oil,Gas 4.Pipe Temperature:t<170 5.Pipe Thread to ISO228 DescriptionSamples Free samples ... of copper pipeline series products, namely, copper valves, copper pipe fittings, copper pipes, plastic-covered copper pipes, stainless steel ... in the plumbing system, air-conditioning system, oil and gas pipeling system of the construction, machinery, shopping, as well ...