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Needle Choke

?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

?Specification level: PSL1～3G

?Performance Requirement: PR1～2