14 Inch DN350 PN16 CF8 stainless steel flanged trunnion mounted ball valve with gear operator handwheel, compliant with API 6D - BALLSEAL
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14″ DN350 PN16 CF8 Stainless Steel Trunnion Ball Valve (Gear Operated) | BSO Ballseal

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Engineered for large-scale industrial pipelines, this heavy-duty DN350 (14 Inch) PN16 Trunnion Mounted Ball Valve features a robust CF8 (304) Stainless Steel construction and is equipped with a high-torque manual gear actuator for smooth, precise control. The fixed trunnion design provides excellent stability, reduced operating torque, and bubble-tight sealing under severe fluid pressures. Designed in strict accordance with API 6D standards, it is an ideal high-performance solution for petrochemical, water treatment, and municipal fluid transmission systems.

🏭 Engineering & Compliance Highlights:

  • Standard Compliance: Built and certified to API 6D, ASME B16.34, and DIN EN 1983.
  • Actuation: Premium manual gear operator with handwheel ensures effortless control of the massive 14″ bore.
  • Structural Advantage: Fixed ball design with bottom trunnion support ensures superior seal integrity and evenly distributes fluid load.
  • Material Quality: High-grade CF8 (ASTM A351) stainless steel for maximum industrial corrosion resistance.
Categories: , Tags: , , , , ,
Valve Type Large Bore Trunnion Ball Valve (Gear Operated)
Pressure Rating PN16 / 1.6 MPa (ASME Class 150 Available)
Body Material CF8 (304 Stainless Steel)
Connection & Operation Flanged (EN/ASME) / Manual Worm Gear Actuator

Main Dimensions (Large Bore Trunnion Series)

The table below reflects standard PN16 dimensions. As a source manufacturer, we fully support customized manufacturing to ASME B16.34 (Class 150/300) for international large-bore pipeline orders.

DN (mm) Size (Inch) L (Face-to-Face/mm)
200 8″ 457
250 10″ 533
300 12″ 610
350 14″ 686
400 16″ 762

Infrastructure Project Support: We specialize in large-diameter, critical flow control. API 6D certified production, complete MTC (Material Test Certificate), and comprehensive hydro-test reports are standard for all large-bore orders prior to worldwide shipment.

⚡ Turnkey Automation Solutions Available

Beyond standard manual configurations, we specialize in delivering complete, fully assembled automated valve packages. Engineered with standard ISO mounting dimensions, we can readily upgrade and equip this 14-inch valve series with:

  • Pneumatic Actuators (Double Acting or Spring Return heavy-duty scotch yoke)
  • Electric Actuators (Intelligent On/Off or Modulating control)
  • Hydraulic & Electro-Hydraulic Operators for severe heavy-duty torque
  • Accessories: Solenoid valves, limit switch boxes, smart positioners, and air filter regulators.

Send us your technical parameters for a complete automated assembly quote.

🌐 Global Standards & Manufacturing Flexibility:

As a dedicated source manufacturer, we offer full engineering and production customization to meet your regional project specifications. All our valve series can be customized and manufactured in strict accordance with the following international standards:

  • American Standards: ASME B16.34, API 6D, API 607 (Fire-Safe), Flanges to ASME B16.5 (RF/RTJ Finish).
  • European Standards: DIN EN 1983, EN 1092-1, Face-to-Face to EN 558 (PN10, PN16, PN40, PN63).
  • Material Traceability: Available in ASTM/ASME grades (WCB, LCB, CF8, CF8M, Duplex, Titanium) and equivalent international designations.

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