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Double Eccentric Valves with Dual Seat Sealing Technology | UNICOM VALVE


UNICOM VALVE is a South Korean manufacturer specializing in high-performance butterfly valve solutions, including FSD double eccentric valves for demanding industrial applications. The company develops valve technologies designed to provide dependable shut-off, efficient flow control, and long-term operational performance. Its products serve various industries, including oil and gas, petrochemical, steel, power generation, shipbuilding, and plant engineering. With different valve designs, seating materials, and connection options, UNICOM VALVE delivers solutions that meet varying pressure, temperature, and installation requirements.

FSD High-Performance Double Eccentric Butterfly Valve

The Double Eccentric Valve from UNICOM VALVE is engineered to deliver reliable sealing performance and smooth operation under demanding industrial conditions. It incorporates a dual-seat arrangement featuring reinforced Teflon (PTFE/RPTFE) and metal seating to provide additional sealing protection. This combination supports tight shut-off performance while maintaining relatively low operating torque.

One of its key advantages is the secondary metal seat, which helps maintain sealing performance if the reinforced Teflon seat becomes damaged or burns out. Designed for applications involving steam and hot air, the valve offers flexibility across different operating environments. It is manufactured in accordance with ASME B16.34 and API 609 Category B standards.

Importance and Benefits of Double Eccentric Valves:

UNICOM VALVE’s double eccentric valve offers several advantages for industrial flow control systems:

  • Reliable Sealing Performance: The combination of reinforced Teflon and metal seats supports effective shut-off and helps minimize leakage.
  • Additional Seat Protection: The metal seat provides secondary sealing support if the soft seat becomes damaged.
  • Low Operating Torque: Its optimized double eccentric design allows smooth operation with reduced operating effort.
  • Wide Temperature Range: Suitable for operating temperatures from -40°C to 250°C, supporting various industrial processes.
  • Flexible Connections: Available in double-flanged, lugged, and wafer configurations for different piping arrangements.
  • Extensive Size Options: Covers DN50 (2″) to DN1800 (72″), accommodating different pipeline requirements.
  • Multiple Actuation Choices: Supports manual hand lever, worm gear, pneumatic, and electric actuator operations.
  • Broad Industrial Applications: Suitable for petrochemical plants, oil refineries, steel mills, shipbuilding, combined-cycle power plants, and nuclear power facilities.

If you are looking for a butterfly valve manufacturer you can find them at UNICOM VALVE.

Click here If you are interested in UNICOM VALVE Products.

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