Unidirectional pipe line prover

Details Unidirectional pipe line prover Unidirectional pipe line prover

1988-11-14

1990-08-14

Noland, Tom

Measuring and testing

Instrument proving or calibrating

Volume of flow, speed of flow, volume rate of flow, or mass...

G01R 2500

Patent

active

049476750

ABSTRACT:
A unidirectional pipe line flowmeter prover. Two calibrating spheres are used in connection with two support surfaces in the interchange conduit. Each support surface comprises a flexible liner mounted adjacent the interior of the interchange conduit so that upon being inflated it expands toward the center of the conduit. The liners are mounted so that when they are inflated they are vertically spaced, capable of trapping a sphere therebetween and sealing the interchange conduit. By timing the inflating and deflating of the liners two spheres are able to be alternately dropped into the prover and supported to assist in sealing the interchange conduit.

REFERENCES:
patent: 3232090 (1966-02-01), Walker
patent: 3943749 (1976-03-01), Van Scoy
patent: 4723437 (1988-02-01), McKenzi

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