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Cryogenic Forged Trunnion Ball Valve Design with ISO 5211 Platform

√ DBB Double Block and Bleed Design: Maximizes safety by isolating and venting hazardous fluids.

√ Cryogenic Sealing Performance: Guarantees reliable sealing in extreme low-temperature applications, preventing leaks.

√ Forged Construction: Provides enhanced strength and durability for high-pressure, low-temperature services.

√ Anti-Static, Anti-Blowout Stem: Ensures maximum safety by preventing static buildup and stem blowout.

√ In-House Cryogenic Testing: Dedicated cryogenic testing area with 100% pre-shipment testing ensures superior performance in real-world conditions.

    Product Parameters

    Valve Type

    Trunnion Ball Valve with ISO 5211 Platform

    Size Range

    DN50–DN900 (2"–36"), larger sizes on request

    Pressure Rating

    ASME Class 150 / 300 / 600 / 900 / 1500 / 2500

    Operating Temperature

    -196°C to +200°C (material dependent)

    Body Materials

    CF8 / CF8M, F304 / F316 / F316L, LCB / LCC, A350 LF2, Duplex & Super Duplex, etc.

    Seat Materials

    PTFE, RPTFE, PCTFE, PEEK, etc.

    Operation

    Optional Worm Gear, electric or pneumatic

    Design Standards

    Designed in accordance with API 6D, ASME B16.34, BS 5351

    Fire-Safe Design

    Designed in accordance with API 607 / API 6FA (optional)

    Brand

    SLVCN

    Key Features

    Fixed Trunnion DBB Design

    Maximizes safety and prevents leaks by isolating and venting hazardous fluids using the Double Block and Bleed (DBB) functionality.

    Lip Seal Design

    Utilizes a lip-type seat seal to enhance sealing performance, ensuring reliable operation in high-pressure and low-temperature environments.

    Extended Stem Design

    Effectively isolates the packing system from cryogenic media, preventing leakage and improving sealing reliability in cryogenic applications.

    Three-Safety Design

    Integrates fire-safe, anti-static, and anti-blowout stem features to ensure safety in critical applications and demanding environments.

    Product Details

    SLVCN Cryogenic Forged Trunnion Ball Valve is designed for high-pressure and low-temperature applications, featuring a DBB (Double Block and Bleed) structure for enhanced safety. The long stem design isolates the packing from cryogenic temperatures, reducing leakage risks. With an ISO 5211 mounting platform, this valve is ready for actuator integration, making it ideal for automation. Its forged steel body ensures strength, durability, and resistance to corrosion, suitable for use in oil & gas, LNG, and chemical industries.

    Cryogenic Forged Trunnion Ball Valve

    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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