摘要 |
<p>A pressure control system (10) comprises a pressure modulating arrangement (14) adapted to be operated by a drive medium to modulate the pressure of a product fluid at a target location (12) towards a target pressure. The control system (10) also comprises a control device (22) configured to monitor at least one reference pressure and to control the drive medium being delivered to the pressure modulating arrangement (14) in accordance with said at least one reference pressure.</p> |