Throttling units

The throttling unit is part of the drilling manifold providing for drilling mud circulation in the oil and gas wells in the process of their drilling and repair aimed at providing for safe operation, maintenance of the required pressure at the wellhead, prevention from outbursts and open gushers, protection of subsoil and environment. The throttling units can be manufactured according to the standard diagrams of GOST 13862-90 «Blowout preventer equipment» and non-standard diagrams of the Customer.

Specifications pdf (185 KB)
  • Port area, mm (in): 52 (2 1/16), 65 (2 9/16), 80 (3 1/8), 100 (4 1/16);
  • Operating pressure, MPa (psi): 21 (3000), 35 (5000), 70 (10000), 105 (15000);
  • Well medium – oil, gas, gas condensate with content of mechanical impurities of up to 25 mg/l, local water of up to 80% by volume;
  • Climate version MCC under GOST 15150-69;
  • Placement category I under GOST 15150-69;
  • Ambient temperature -60°С to +40°С;
  • Working medium temperature up to +120°С;
  • Corrosion-proof design: non-corrosive, corrosive К1 and К2.
Basic specifications
  • Port area, mm (in): 52 (2 1/16), 65 (2 9/16), 80 (3 1/8), 100 (4 1/16);
  • Operating pressure, MPa (psi): 21 (3000), 35 (5000), 70 (10000), 105 (15000);
  • Well medium – oil, gas, gas condensate with content of mechanical impurities of up to 25 mg/l, local water of up to 80% by volume;
  • Climate version MCC under GOST 15150-69;
  • Placement category I under GOST 15150-69;
  • Ambient temperature -60°С to +40°С;
  • Working medium temperature up to +120°С;
  • Corrosion-proof design: non-corrosive, corrosive К1 and К2.