Adjustable chokes are designed for installation in wellhead and blowout prevention equipment for smooth regulation of the operation mode of oil, gas and gas condensate wells. The fluid flow is controlled by changing the bore of the seat when the needle is raised or lowered.

  • Choke operation – manual
  • Meets technical requirements API 6A
  • Nominal size, mm (in): 52-103 (2 1/16-4 1/16)
  • Work pressure, MPa (PSI): 14-105 (2000-15000)
  • Service environment: oil, gas, solution, water
  • Work temperature, °С: from -60 to +60
  • Material class: АА, ВВ, СС, DD, ЕЕ, FF
  • Technical performance: PSL1 – PSL4
  • Resistance class: PR1, PR2

Specifications

№ Type Nominal size, mm Work pressure PSI/MPa
mm in 2000/14 3000/21 5000/35 10000/70 15000/105
1 CV 52 2 1/16 – + + + +
2 CV 65 2 9/16 + + + + +
3 CV 78 3 1/16 – – – + +
4 CV 80 3 1/8 – + + – –
5 CV 103 4 1/16 + + + + +