The valve is designed to seal a well-head and ensure operations of flowing, pumping and injection wells in climate conditions from -60 °С to +121 °С. Service environment – oil, gas, gas condensate with mechanical impurities up to 25 mg/l, formation water up to 80%.

  • Meets technical requirements API 6A
  • Nominal size, mm (in): 52-130 (2 1/16-5 1/8)
  • Work pressure, MPa (PSI): 14-105 (2000-15000)
  • Service environment: oil, gas, solution, water
  • Work temperature, °С: from -60 to +121
  • Material class: АА, ВВ, СС, DD, ЕЕ, FF
  • Technical performance: PSL1 – PSL4
  • Resistance class: PR1, PR2

Specifications

Equipment item

Nominal size, mm/in

Work pressure, MPa/PSI

14/2000

21/3000

35/5000

70/10000

105/15000

Flowing wellhead equipment

STV

 

 Mother bore

52(2 1/16); 65(2 9/16); 78(3 1/16);

80(3 1/8); 103(4 1/16); 130(5 1/8)
Side tracks

52(2 1/16); 65(2 9/16); 78(3 1/16);

80(3 1/8); 103(4 1/16); 130(5 1/8)
Casing head side tracks 52(2 1/16); 65(2 9/16)