... gas pipe identifies the color at least three blue stripes, and evenly distributed alongthe pipe circumference Application: Water supply, ... 3.Good flexibility: small diameters' PE pipe for water supply can be coiled and supplied for longer length, ... the whole engineering,5.Smooth interior wall, small water resistance, high flow capacity,6.Long service life ... 58.847.438.130.624.5 Hdpe Pipe For Gas Supply