High-pressure plastic lines show promise for gas distribution
Journal Article
·
· Pipeline and Gas Journal
OSTI ID:175973
Until recently, gas distribution utilities have been forced to rely on steep pipe to transport natural gas at higher pressures. Many utilities, however, have said that they would prefer to use plastic pipe, when possible, since it is easy to handle, cost-effective, does not require cathodic protection, and has a long life expectancy. A major limitation of plastic pipe manufactured from polyethylene is its inability to withstand pressures in excess of 100 psig. At the present time, Elf Atochem North American, Inc., Philadelphia, is developing a plastic piping system for high-pressure natural gas distribution made from its polyamide 11 resin, Rislan. Polyamide 11 resin offers many features that are similar to polyethylene including: joining by butt fusion; controlling flow by squeezing off the pipe; availability in long coils that can be plowed or planted; no requirements for cathodic protection; and excellent resistance to stress cracking.
- OSTI ID:
- 175973
- Journal Information:
- Pipeline and Gas Journal, Journal Name: Pipeline and Gas Journal Journal Issue: 12 Vol. 222; ISSN PLGJAT; ISSN 0032-0188
- Country of Publication:
- United States
- Language:
- English
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