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Cable Pressurization--Air Feeder Pipe

Document Number TR-TSY-000206
Issue Number 01
Issue Date Apr 1985

    ABSTRACT: The air feeder pipe, which is basically a plastic tube with a bonded aluminum liner, is used to supply dry air to the aircore cable network. The bonded aluminum liner serves as a moisture permeation barrier, increases pipe strength, and improves formability. The dry air, which is supplied at a pressure of approximately 10 PSIG (Pounds per Square Inch Gauge), prevents water from entering through cable sheath and joint faults.

    This Technical Reference (TR) provides the Telcordia view of generic requirements for the features and functions of the air feeder pipe used in the aircore cable, pressurization network.

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