Adjustable Choke Valve

• Choke valves for needle type and external sleeve type are available for Christmas tree.• The needle and core are made of hard alloy, with performances of wearing resistance, washing resistance and corrosion resistance.• The external sleeve choke valve has advantages of low switch torque, throttling and shutting fluid.• Working Pressure: 2000PSI 20000PSI• Nominal Bore: 1.13/16" 7.1/16" (46mm 180mm)• Working Medium: oil,natural gas,mud and gas containing H2S,CO2• Working Temperature: -46°C 121°C(Class LU)• Material Class: AA,BB,CC,DD,EE,FF,HH• Specification level: PSL1-4• Performance Requirement: PR1-2