Large diameter PVC layflat hose is not ideal for potable water use. While PVC is widely used for various water transfer apps like irrigation and general water supply. But there are specific concerns when it comes to potable water.
PVC contains toxic things like chemical. While these toxic can affect water quality. Once people drink the water from PVC hose, there will be safe problem. In addition, the smooth inner surface of PVC layflat hose may be more prone to bacterial growth and biofilm.
For potable water, it is better to use drinking water hose. Because this hose adopts food safe material. It may have specific certificates such as NSF/ANSI 61 or FDA. While these are to ensure it meet the health and safety demand. Besides, a silicone hose will also be better for portable water. Because it is nontoxic and odorless. Of course, it also meets the FDA.
In a word, PVC hose no matter layflat hose, steel wire hose or suction hose, is not ideal for portable water. Thus if you need to transfer portable water, you should choose a special hose for such purpose. But if you have no idea which is better, you can consult the supplier like Orient. We will offer you t he best solution.