Flanges

The steel flanges for tools, for welding and threaded flanges (NKT thread under GOST 633-80) are designed for being used in wellhead and blowout preventer equipment. They are manufactured according to GOST 28919-91.

Specifications pdf (69 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): 14 (2000), 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;
  • 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): 14 (2000), 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;
  • Corrosion-proof design: non-corrosive, corrosive К1 and К2