Wellhead crosspieces

Wellhead crosspieces are designed for being used in wellhead and blowout preventer equipment. They are manufactured according to GOST 28919-91.

Specifications pdf (198 KB)
  • Versions of port area of the upper and lower flanges, mm (in): 156 (6 3/25), 180 (7 1/16), 230 (9), 280 (1 1), 350 (13 5/8), 625 (16 3/6), 560(21 1/6);
  • Side branches port area, mm (in): 52 (2 1/16), 65 (2 9/16), 80 (3 1/8), 100 (6 1/16);Operating pressure, MPa (psi): 16 (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 +60°С;
  • Corrosion-proof design: non-corrosive, corrosive К1 and К2.
Basic specifications
  • Versions of port area of the upper and lower flanges, mm (in): 156 (6 3/25), 180 (7 1/16), 230 (9), 280 (1 1), 350 (13 5/8), 625 (16 3/6), 560(21 1/6);
  • Side branches port area, mm (in): 52 (2 1/16), 65 (2 9/16), 80 (3 1/8), 100 (6 1/16);Operating pressure, MPa (psi): 16 (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 +60°С;
  • Corrosion-proof design: non-corrosive, corrosive К1 and К2.