Columbia Gas Glady – Case 11

Company: Columbia Gas Glady
Case #: 11


Customer operating integral angle I-R units in a multi stage injection/withdrawal service using cylinders equipped with an infinite step capacity control system.

Customer's Need:

The inherent inefficiency, high cost of maintenance and unavailability of replacement parts required an alternate means of accomplishing the same capacity control function.

ACI's Solution:

The application of fixed volume unloading on both stages provided a dramatic improvement in efficiency, maintained interstage pressures, kept rod loads within unit ratings and greatly simplified maintenance.

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