● The choke manifold is support equipment of hydraulic BOP for controlling well blow out and well pressure
● Control wellhead pressure of casing and standpipe, restoring mud to control pressure at well bottom to stop overflow
● Through relief pressure, decrease well head pressure to perform :Flexibility Shut off Well”
● Through drain valve, decrease casing pressure of wellhead to protect BOP stack
● Furnished with hydraulic control pod to achieve the function of remote contro
● Working Pressure：2000Psi~20000Psi
● Nominal Bore：1-13/16”~9”（46mm~230mm）
● Working medium：Oil. Natural gas. Mud
● Working temperature：-46℃~121℃（Class L.U）
● Material Class：AA、BB、CC、DD、EE、FF、HH
● Specification level：PSL1~PSL4
● Performance Requirements：PR1~PR2

●节流压井管汇是循环井底钻井液，控制井喷的设备

●控制井口套管压力与立管压力，恢复井底泥浆液柱对井底压力的控制，制止溢流

●可通过节流阀的节流泄压作用降低井口压力，实现“软关井”

●可通过放喷通道大量泄流作用，降低井口套管压力，保护井口防喷器组

●配有远程控制箱，实现远程控制

●工作压力：2000Psi~20000Psi

●公称通径：2-116”~4-116”（52mm~103mm）

●工作介质：石油、天然气、泥浆

●工作温度：-29℃~121℃（P.U级）

●材料级别：AA、BB、CC、DD、EE

●规范级别：PSL1~PSL3

●性能级别：PR1~PR2