... a comparison on UHMWPE pipe, HDPE pipe and steel pipe:Steel pipe: with great pressure, easy to get rusty ... , too weight to moveHDPE pipe: with low price, light weight, never get rusty, but ... the pressure, I suggest you HDPE pipe~ best choice is UHMWPE pipe (with long using age)If you distribute ... and sand, I suggest you use UHMWPE pipe, with great pressure,and anti-friction.Q: Why should ...