Clearance Pocket Capacity Controllers

In instances when incremental capacity reduction is desirable (to avoid dumping to flare), clearance pocket capacity controllers are ideal. These capacity controllers achieve operating flexibility by modifying the effective compression space, which controls the volume of gas flowing through the compressor cylinder. This will cause the compressor to behave as though it has a shorter stroke when the clearance pocket is activated.

A Cook Compression capacity control system permits either full or reduced power that can be automatically controlled or operator-controlled. Conversion from manual to pneumatic actuation can easily be achieved by replacing the operator unit. The control piston can be air or gas actuated for ease of operation.

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