Choke valve
　　Technology specification:
　　The design meets the requirement of API SPEC 6A.
　　Nominal bore:2 1/16″~4 1/16″
　　Rated working pressure:2000~20000PSI
　　Rated working temp:K、L、P、R、S、T、U、V
　　Material class:AA, BB, CC, DD, EE、FF
　　Product specification level:PSL1~PSL4
　　Performance requirement level:PR1-PR2
　　Suitable medium:Petroleum, natural gas, mud etc.
　　Choke valve is classified into needle-type adjustable, barrel-type adjustable and orifice feature in design
　　Driving mode:Manual & hydraulic
　　Connection mode:Flanged and thread

       Feature in design
　　Valve needle and valve core are made of hard alloy steel with some properties of erosion resistance and corrosion resistance
　　Take the effect of adjustment of flow-rate and pressure and opening/closing the choke valve.
　　Needle structure is used for X’mas tree assembly, and barrel for choke manifold.