My company uses SWP in the oil sands of northern alberta CA. It was a pain to get this approved, but it is not impossible. A good place to start would be Northwest pipe company or Chicago Tube. They would be able to look up the specicifactions for spiral weld. I tried to attach a excel file...
gilberts,
PU4 MDI polyurethanes are very expensive compared to thermoplastics (injected molded plastics) The liner I think you are requiring would have to be a solid liner and have a density of .035-.040 lb/in^3. These have a duro shore A, of 70-90 give or take. Also most urethanes will start to...
Bris,
I work for a polyurethane manufacturer who specializes in lining pipe spools. Our urethanes have been submerged for over 25 years with no chemical or bond break down. Our materials are ment for abrasive materials, not just water, so there may be a cheaper solution than ours. You will be...