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Fully Welded Ball Valves

Buried Fully Welded Ball Valve

  • Fully Welded, Leak-Free Body: The valve body is completely welded with no external bolts, fundamentally eliminating the possibility of external leakage.
  • Cost-Saving Buried Installation: Can be directly buried underground without the need for expensive valve chambers, significantly reducing project costs.
  • Designed for Pipeline Lifespan: The body material matches the pipeline, allowing it to withstand the same stresses and geological shifts, enhancing overall network reliability.
  • Reliable Stem Sealing: Typically employs multiple sealing systems (e.g., O-rings plus graphite packing) to ensure long-term, dependable stem sealing.
  • Low-Torque Operation: A precisely machined ball and low-friction seat materials ensure stable, low-torque operation over the valve's life.
  • Extended Stem Option: The stem can be extended to custom lengths based on burial depth and operational requirements.
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The Buried Fully Welded Ball Valve is an industrial valve specifically engineered for cost savings and maintenance-free operation, allowing it to be welded directly onto a pipeline and buried underground. Its fully welded body construction eliminates the external leakage risks associated with traditional flanged valves, significantly enhancing the reliability and safety of both the valve and the pipeline. As it requires no large valve chambers, only a small ground-level well for operation, it is widely used in buried pipeline networks for city gas, district heating, and petrochemical applications.

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