What are differences between PVC and PE pipes ?
PE benefits- Chemically inert, no off gassing or leaching.
- Flexible, can be pulled to around corners to eliminate fittings. This give a better water flow, and saves time and money.
- Can freeze without bursting
- Is rated to last at least 200 years
- No glue to add poisonous vapors or soldering to reduce risk of fire.
- Pipe and fittings are reduced in diameter, may need to up size for good flow.
- Pipe has no rigidity. Must be supported it's entire length.
- Need special tools to install.
PVC and CPVC "for hot" benefits
- Any can do it, all you need is a cutter to assemble.
- Very cheap and you can get it anywhere.
- PVC is full bore, but only for cold water.
- All sorts of leaching flavors and chemicals into water.
- Rated for 20 years, this is an over statement.
- Glue needs to cure for 24 hours before charging with pressure. Most do not do this, but that is what is instructed.
- Freezes and bursts quite quickly.
- Some plumbers will not attach to it for it has a high failure rate.
没有评论:
发表评论