Control Manifold : The system of valves and piping to control the flow of hydraulic fluid to operate the various components of the blowout preventer stack. (RP 53)
The Mudblogger (Oilfield, Energy and Related Photographs), Oil Field Glossary, TX, USA 2014. http://mudblogger.com/oilfield-glossary/, (Oil - Amer) {777}