Operational use of plastic pipe by Columbia Gas Distribution Companies

Journal Article · Wed Mar 01 04:00:00 EST 1978 · Gas Ind., Nat. Gas Ed.; (United States)

OSTI ID:6726757

Escolas, E J

Polyethylene pipe is the standard material of construction used by Columbia Gas Distribution Cos. for new or replacement mains and services operating at 50 psig or less. With 33% of its services and 10% of its mains composed of polyethylene, Columbia has learned through experience that the factors most affecting long-term plastic-pipe performance are (1) the suitability of the material for gas service, (2) the geometric configuration of the pipe and fittings, and (3) the ability of the manufacturer to consistently supply the best pipe and fittings from the material being used. To help identify the high-molecular-weight polyethylenes desired, Columbia's present plastic-pipe purchase specifications include requirements for both flow rate and environmental stress crack resistance. Specially trained operators employ butt-fusion joining methods on the pipe and fittings; socket-fusion joining is an available alternative technique only for 1 1/4-in. or smaller pipe.

• OSTI ID: 6726757
• Journal Information: Gas Ind., Nat. Gas Ed.; (United States), Journal Name: Gas Ind., Nat. Gas Ed.; (United States) Vol. 22; ISSN GINGA
• Country of Publication: United States
• Language: English

Related Subjects

03 NATURAL GAS
032000* -- Natural Gas-- Transport
Handling
& Storage
CHEMICAL REACTIONS
CRACKING
DECOMPOSITION
ENERGY SOURCES
ENERGY SYSTEMS
FABRICATION
FLOW RATE
FLUIDS
FOSSIL FUELS
FUEL GAS
FUELS
GAS FUELS
GASES
JOINING
JOINTS
MOLECULAR WEIGHT
NATURAL GAS
NATURAL GAS DISTRIBUTION SYSTEMS
ORGANIC COMPOUNDS
ORGANIC POLYMERS
PERFORMANCE
PIPELINES
PIPES
POLYETHYLENES
POLYMERS
POLYOLEFINS
PYROLYSIS
SPECIFICATIONS
STRESSES
THERMOCHEMICAL PROCESSES
TRANSPORT