... 2),Working Pressure ,3000PSI~15000PSI 3),choke manifold 4),choke manifold choke manifold 1),Choke Manifold comply with API Spec 16C 2),Working ... Nominal Bore 2-1/16″~4-1/16:choke manifold choke manifold 1.The choke manifold is support equipment of hydraulic BOP for ... hydraulic control panel to achieve remote control.3.Through the choke valve, perform well killing, replacing polluted slurry in well, ...