Zhejiang Yushun Valve  Co., Ltd.
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Zhejiang Yushun Valve  Co., Ltd.
  • High Pressure Trunnion Mounted Ball Valve
  • Hard Seal Trunnion Ball Valve
  • Forged Steel Trunnion Ball Valve
  • API 6D Trunnion Mounted Ball Valve
  • Cast Steel Trunnion Mounted Ball Valve
  • Three-Piece Trunnion Mounted Ball Valve
  • Two-Piece Trunnion Mounted Ball Valve
  • Floating Ball Valve
  • Cryogenic Ball Valve
  • Three-Way Ball Valve
  • Zhejiang Yushun Valve  Co., Ltd.

    In today's global industrial environment, safety and precision in flow control have never been more crucial. From upstream oil extraction to modern water treatment plants, engineers are seeking valve solutions that reduce operational risk, extend system lifespan, and simplify automation.

    The Fixed Ball Valve, also called the Trunnion-Mounted Ball Valve, has become a preferred choice in high-pressure systems—especially where tight shut-off and low torque actuation are non-negotiable.

  • Zhejiang Yushun Valve  Co., Ltd.

    The Hard Seal Trunnion Ball Valve is engineered for high-pressure, large-diameter, and critical service applications. With a fixed-ball design supported by upper and lower bearings, it ensures relatively small operating torque, long-term sealing performance, and exceptional durability. Unlike soft-sealed valves, which may degrade over time or under harsh conditions, the hard seal mechanism ensures that the valve maintains its integrity.The metal-to-metal sealing surface is designed to withstand high pressures and temperatures, making it an ideal choice for industries such as oil and gas. Built to meet the rigorous demands of oil & gas, petrochemical, energy, marine, and water industries, it is the preferred choice for zero-leakage shut-off and reliable flow regulation.

  • Zhejiang Yushun Valve  Co., Ltd.

    The Forged Steel Trunnion Ball Valve is a highly versatile and durable valve designed. The trunnion - mounted ball design ensures the ball is firmly supported at the top and bottom, preventing it from floating or shifting under high - pressure conditions. Forged steel is known for its protrude mechanical properties compared to cast steel. It has a more uniform grain structure, which results in higher tensile strength, better impact resistance, and improved resistance to deformation. This makes the Forged Steel Trunnion Ball Valve capable of withstanding extreme working conditions, such as high - pressure, high - temperature, and corrosive environments. It is widely used in industries such as oil and gas, chemical processing, water treatment, and power generation, where pressure and temperature variations are a common concern.

  • Zhejiang Yushun Valve  Co., Ltd.

    The API 6D Trunnion Mounted Ball Valve is engineered to meet the demanding requirements of pipeline and industrial applications. Designed in accordance with API 6D standards, this valve delivers consistent performance, long-term durability, and enhanced safety in both onshore and offshore operations. It is ideal for oil and gas, petrochemical, power generation, and other process industries requiring dependable shutoff and flow regulation. Unlike floating ball valves, it employs a fixed ball supported by trunnion bearings, reducing seat load and keep it as small as possible operational torque. This design ensures long-term reliability, effective sealing, and operational safety in both upstream and downstream pipeline systems.

  • Zhejiang Yushun Valve  Co., Ltd.

    The core component of the Cast Steel Trunnion Mounted Ball Valve is its sturdy cast steel body. Cast steel offers exceptional strength and durability, making it capable of withstanding high pressures and temperatures. This material choice ensures that the valve can operate reliably in harsh industrial environments without the risk of deformation or failure. The trunnion mounted design further enhances the stability of the valve. The trunnion mechanism provides additional support to the ball, reducing the load on the stem and seat. This design feature significantly improves the valve's ability to handle high differential pressures and prevents excessive wear and tear on critical components.

  • Zhejiang Yushun Valve  Co., Ltd.

    At the core of the Three-Piece Trunnion Mounted Ball Valve is a robust body structure composed of three separate parts—two end caps and a central body section. This modular design allows for easier maintenance without having to remove the entire valve from the pipeline, keep it as small as possible system downtime.  Designed with a fixed ball mechanism supported by trunnion bearings, it ensures low operating torque, good pressure resistance, and zero-leakage performance across oil, gas, petrochemical, power, and water industries.

  • Zhejiang Yushun Valve  Co., Ltd.

    The heart of the Two-Piece Trunnion Mounted Ball Valve is its sturdy two-piece body design, which ensures structural integrity and straightforward maintenance. The valve’s trunnion-mounted mechanism stabilizes the ball, reducing stress on seats and allowing for smooth operation even under high-pressure conditions. This design also helps distribute the load evenly, enhancing the service life of the valve while reducing operational torque. Its fixed-ball design, double block and bleed capability, and fire-safe compliance make it the ideal choice for pipeline systems, process plants, terminals, and high-risk operations requiring absolute reliability.

  • Zhejiang Yushun Valve  Co., Ltd.

    The Floating Ball Valve is a widely adopted flow control solution for medium pressure, general-purpose pipelines, offering a cost-effective and compact alternative to trunnion-mounted designs. Its simple structure, excellent shut-off capability, and tight sealing under pressure make it a go-to option in oil & gas, chemical, HVAC, water treatment, and OEM system environments.

  • Zhejiang Yushun Valve  Co., Ltd.

    The Cryogenic Ball Valve is designed to operate in ultra-low temperatures—down to -196°C (-321°F)—for applications such as LNG, liquid oxygen, nitrogen, ethylene, and hydrogen. This valve ensures tight shutoff, anti-leakage, and material stability under cryogenic conditions, making it essential in gas processing, energy transport, and scientific storage systems.

  • Zhejiang Yushun Valve  Co., Ltd.

    The Three-Way Ball Valve offers precise flow switching, diverting, and mixing in a single valve body. With T-port or L-port flow paths, it enables multi-directional flow control in pipelines where space-saving, operational efficiency, and flow routing are critical. This valve is widely used in chemical processing, food & beverage, water systems, HVAC, and automation skids.