Trunnion Ball Valves

Trunnion Ball Valves

Trunnion Mounted Ball valves are used primarily, but not limited to, the Oil & Gas Industry. Trunnion Mounted Ball valves are offered in Pressure Classes 150, 300, 600, 900, 1500 & 2500# and sizes from 2” up to 60” nominal diameter.

Unimech Oil & Gas Trunnion Mounted Ball valves meet API-6D full bore specifications for piggable service avoiding turbulence and fluid pressure drop through the valve. Unimech Oil & Gas offers an array of materials used for this product line, including but not limited to:

• Carbon Steels like A105 or WCB
• Low Carbon Steels like LF2, LF3 or LCB, LCC, etc.
• Stainless Steels like F316, F347 or CF8M, CF8C, etc.
• Duplex Stainless Steel like F51 or CD3MN.
• Super Duplex Stainless Steel like F55 or D3MWCuN.

Unimech Oil & Gas offers a variety of trim materials including but not limited to the full API-6D published trim list. Additional trims are available such as high strength steels like 17-4pH, duplex and super duplex steels (UNS S31803 or UNS S32750), high nickel alloys (Monel, Inconel, Incoloy, Hastelloy, etc), among others.

Design Features

• Trunnion Mounted Ball Valves in accordance with API-6D.
• Bolted Body or Welded Body.
• Metal to Metal Tungsten Carbide and satellite 6 coatings option available.
• Carbon steel body, Inconel 625 internal cladding available.
• Meets Fire Test in accordance API-6FA, API-607.
• Full bore or reduced bore available.
• Flange dimensions in accordance ASME B16.5 for valves up to 24”nominal diameter.
• Flange dimensions in accordance MSS-SP-44, ASME/ANSI B16.47 Series A or B for valves over 26” nominal diameter.
• Wrench, Gear or Electric Operated options.
• Double Block and Bleed. Bi-directional flow. Anti-static device. Blow out proof system.
• NACE Service either MR-01-75 or MR-01-03.
• Test in accordance API-6D.