The adjustable choke valve can be divided into 4 typesaccording to adjustable means:needle adjustable, barrel adjustable, wedge adjustable, orifice-plate adjustable
The valve needle and valve plug are made of hard alloy, so it has the features: abrasion resistant, washing resistant and corrosion resistant.,
It plays an important part in the control of flow, pressure and close.
The structure of needle type is mainly used in the X-mas equipment, and the structure of barrel type, wedge type, orifice-plate type is mainly used in the choke manifold.
working pressure 2000~20000PSL
connection format: flange, thread, etc.
nominal bore: 21/16" ~41/16"
Production Specification Level: PSL 1~3
Performance Level PR1~PR2
Material Class DD~FF
Temperature Class P.U(--29~121°C)




