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High-Temperature Hard-Seal Fixed Ball Valve with DBB Structure

√ Enhanced leak-proof performance in extreme high-temperature, high-pressure environments with hard-seal technology.

√ Reliable sealing and wear prevention with fixed ball design, ideal for heavy-duty industrial applications.

√ Sturdy construction with heavy-duty flanged connections to withstand large-scale, high-pressure pipeline systems.

√ Tailored to meet specific requirements with flexible size and material customization for various industrial applications.

√ Easy actuator integration with top-mount design, compatible with pneumatic, electric, or hydraulic actuators for seamless automation.

√ Corrosion-resistant materials ensure long service life, even in the harshest operating conditions.

    Product Parameters

    Valve Type Metal to Metal Trunnion Mounted DBB Ball Valve
    Connection Size 2" – 24" (DN50 – DN600, larger sizes available upon request)
    Pressure Rating Class 600 / Class 900 / Class 1500 / Class 2500 (Optional)
    Temperature Range Up to 500°C (depending on materials and seat design)
    Body Material 316L, 304L, WCB, 15CrMo, P11, P22, Inconel, Hastelloy, and other alloys
    Seat Material 316H, 17-4PH, Inconel, Hastelloy, and other high-temperature resistant materials
    End Connection Heavy Flanged Connection
    Port Design Reduced Port / Full Port
    Operation Manual Lever, Worm Gear, Electric Actuator, Pneumatic Actuator, Hydraulic Actuator (optional)
    Design Standards Manufactured in compliance with API 6D, ASME B16.34, BS 5351
    Fire-Safe Design Fire-safe design available, designed to meet API 607 / API 6FA standards
    Automation Ready ISO 5211 mounting pad for easy actuator installation
    Brand SLVCN

    Key Features

    High-Temperature Performance

    Built to withstand extreme temperatures, offering reliable sealing and performance in demanding environments.

    DBB Structure

    Features Double Block and Bleed design, ensuring enhanced safety and leak prevention.

    Fixed Ball Construction

    Guarantees stable operation and reliable sealing, even under high-pressure conditions.

    Heavy Flanged Connection

    Ideal for large-diameter pipes and high-pressure systems, offering superior strength and stability.

    Fire-Safe and Anti-Static Design

    Includes fire-safe and anti-static features for additional safety in hazardous environments, ensuring safe operation.

    Customizable Sizes and Materials

    Available in a range of sizes and materials to meet the specific requirements of your application.

    Product Details

    SLVCN High-Temperature Double Block and Bleed Fixed Ball Valve with Trunnion Mounted Design is engineered for reliable performance in high-temperature, high-pressure systems. It features a metal-seated ball valve design, providing exceptional sealing capability in extreme environments, especially in applications involving particles or corrosive media. The valve is equipped with a fixed ball structure, offering superior stability and ensuring that it maintains a tight seal even under fluctuating pressure. The heavy flanged connection is perfect for large-diameter, high-pressure pipelines, making it ideal for industries such as oil & gas, chemical processing, power generation, and more. This valve is also available in 3-piece ball valve configurations and can be customized with different materials and sizes to ensure optimal performance for various applications.

    高温硬密封球阀

    Why Choose Us

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    Decades of Expertise

    30+ years specializing in DBB, trunnion-mounted, forged & fully welded valves for high-temperature, high-pressure, and cryogenic service, trusted by projects worldwide.
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    Tailored Solutions

    Custom-designed valves based on process conditions and project specifications, ensuring reliable performance under demanding operating conditions.
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    Rigorous Quality Control

    ISO 9001-managed design, manufacturing, and testing in accordance with API 6D, ASME B16.34, and fire-safe standards.
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    Proven Reliability

    Every valve is fully tested and inspected, delivering zero-leakage, project-ready valves you can trust.
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    Certificate Display

    SLVCN operates under an ISO 9001 quality management system. Products are supplied with CE conformity, Mill Test Certificates (MTC), and Certificates of Origin as required.

    Valves are designed, manufactured, and tested in accordance with API 6D, ASME B16.34, API 607, and ISO 10497 fire-safe standards, ensuring reliable performance in high-pressure and extreme service conditions.

    CE-New

    CE Certificate

    ISO9001-New(1)

    ISO9001 Certificate

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    Certificate for Credit for Quality Service

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    Certificate of Observing Contract and Keeping Promise

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    Trademark Certificate

    0102030405

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