The SPDA is a differential pressure de-aeration unit (Pressure step degasser).

System fluid is sampled from the system, isolated and subjected to a full vacuum.

All dissolved air within the sample is liberated, in accordance with Henry’s Law and vented to atmosphere.

The de-aerated fluid is then reintroduced to the system.

This process is automatically repeated and controlled with a digital processor. A

turbo mode is available for initial system setup, to allow for rapid de-aeration of new installations.

The real-time display shows the status of the mechanical components.

A common alarm volt free contact is included within the SPDA control unit for remote indication of a fault.