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Class 600 High-Temp & High-Pressure Metal Seated Top Entry Ball Valve

● Dual-drive operation with electric actuator and worm gear for automation and emergency control

● Top entry design enables in-line inspection and maintenance without pipeline removal

● Forged trunnion-mounted ball with Double Block and Bleed (DBB) for secure isolation

● Metal seated sealing delivers excellent wear resistance and long service life

● Fire-safe construction with anti-static device and anti-blowout stem

● Bi-directional tight sealing with stable torque for high-pressure and large-size applications

    Product Parameters

    Valve Type

    Metal Seated Top Entry Trunnion Mounted Ball Valve

    Pressure Rating (Standard)

    ASME Class 600

    Other Pressure Classes

    ASME Class 150 / 300 / 900 / 1500 / 2500 (on request, subject to design confirmation)

    Size Range

    2"–64" (DN50–DN1600), larger sizes on request

    Ball Design

    Trunnion Mounted

    Body Construction

    Forged body with bolted top cover (Top Entry)

    Sealing Design

    Double Block and Bleed (DBB)

    Seat Type

    Metal Seat (standard); Soft seat optional

    Seat Materials

    Metal Seat, PEEK, PCTFE (KEL-F), Devlon V

    Operating Temperature

    -29℃ to 425℃ (metal seated, depending on material selection)

    End Connection

    Flanged RF / RTJ

    Operation

    Worm Gear + Electric Actuator (dual-drive)

    Mounting Interface

    ISO 5211 direct mounting available

    Body Material (Standard)

    ASTM A216 WCB

    Optional Body Materials

    LCB, LCC, WC6, WC9, Stainless Steel, Duplex, Super Duplex, Nickel Alloys

    Design Standards

    API 6D, BS 5351, ASME B16.34

    Fire-Safe Design

    Designed in accordance with API 607 / API 6FA

    Sealing Direction

    Bi-directional sealing

    Surface Coating

    Industrial epoxy coating (Yellow), color customizable

    Brand

    SLVCN

    Key Features

    Dual-Drive Operation

    Electric actuator for automation and worm gear for manual operation during emergencies, ensuring reliable control in all conditions.

    Top Entry Design for Easy Maintenance

    Allows in-line inspection and maintenance without removing the valve, reducing downtime and costs.

    Forged Trunnion-Mounted Ball Design

    Forged body and trunnion-mounted ball ensure stable pressure distribution, ideal for high-pressure, large-diameter applications.

    Bi-Directional Tight Sealing with Stable Torque

    Bi-directional sealing provides stable, low-torque operation, even under extreme pressure, ensuring leak-free performance.

    Emergency Shutoff

    Emergency sealing device ensures leak-free operation during critical situations, enhancing safety and quick response.

    Corrosion Resistance and Versatile Sizing

    Available in sizes from 2" to 64", with materials like ASTM A216 WCB, Stainless Steel, and Duplex, ideal for harsh environments.

    Product Details

    SLVCN Class 600 Trunnion-Mounted Ball Valve is designed for high-pressure and high-temperature industrial applications. Featuring a dual-drive system with an electric actuator for automated control and a worm gear for manual operation during emergencies, this valve guarantees reliable performance in all conditions, including emergency shutoff.

    With a top-entry design, the valve allows for in-line inspection and maintenance, minimizing downtime and eliminating the need for pipeline disassembly. The forged body and trunnion-mounted ball provide robust support, making it ideal for large-size and high-pressure applications.

    Equipped with Double Block and Bleed (DBB) technology, this valve ensures secure isolation and effective pressure control, offering reliable operation in critical systems. The metal-seated design provides superior wear resistance and extends the valve's lifespan, making it suitable for handling high-temperature and high-pressure fluids.

    The fire-safe design features anti-static devices and an anti-blowout stem, ensuring safe operation even in hazardous environments. This valve is perfect for industries such as oil and gas, chemical processing, power generation, and offshore applications where durability and reliability are critical.

    Top Entry Ball Valve

    Parts List

    Parts List
    1 "O"-Ring 9 Seat adjustment ring 17 Packing Box 25 Nut
    2 "O"-Ring 10 Seat 18 Key 26 valve lid
    3 Thrust Washer 11 Worm-Gear 19 Packing 27 "O"-Ring
    4 Packing 12 Bolt 20 Gasket 28 Gasket
    5 Seat Retainer 13 Connection Plate 21 "O"-Ring 29 Ball
    6 Spring 14 Stud 22 Stem Bearing 30 Thrust Washer
    7 Spring seat 15 Nut 23 Stem 31 Stem Bearing
    8 Thrust Washer 16 Bolt 24 Stud 32 Body

    Parts List

    Technical Specifications

    Dimensions: Class 600 - Full Port

    Size Bore Model / Face to Face D2 in/mm Weight
    NPS/DN B1 B2 in/mm|in/mm FT RF in/mm FT RTJ in/mm FT BWE in/mm Model FT lb/kg
    2" 1.94 1.94 11.5 11.63 11,50 7.5 132
    50 49 49 292 295 292 190 60
    3" 2.94 2.94 14 14.13 14 9.4 287
    80 74 74 356 359 356 240 130
    4" 3.94 3.94 17 17.13 17 11.4 529
    100 100 100 432 435 432 290 240
    6" 5.94 5.94 22 22.13 22 14.6 628
    150 150 150 559 562 559 370 285
    8" 7.94 7.94 26 26.13 26 20.5 1235

    Weight and dimensions for larger valve sizes up to 64" available on request

    Dimensions: Class 600 - Reduced Port

    Size Bore Model / Face to Face D2 in/mm Weight
    NPS/DN B1 B2 in/mmin/mm GT RF in/mm GT RTJ in/mm GT BWE in/mm Model GT lb/kg
    2"X 11/2" 1.94 1.5 11.5 11.63 11.5 6.5 77
    50X40 49 38 292 295 292 166 35
    3"X2" 2.94 1.94 14 14.13 14 8.3 154
    80X50 74 49 356 359 356 211 70
    4"X3" 3.94 2.94 17 17.13 17 10.9 309
    100X80 100 74 432 435 432 276 140
    6"X4" 5.94 3.94 22 22.13 22 14 584
    150X100 150 100 559 562 559 356 265
    8"X6" 7.94 5.94 26 26.13 26 16.6 750
    200X150 201 150 660 664 660 421 340
    10"x8" 9.94 7.94 31 31.13 31 20.1 1323

    Weight and dimensions for larger valve sizes up to 64" available on request

    Read-more

    If you want to obtain the complete size, please contact us

    Contact us

    Why Choose Us

    advantage-1-1

    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

    certificate 2

    Certificate for Credit for Quality Service

    certificate 3

    Certificate of Observing Contract and Keeping Promise

    certificate-New

    Trademark Certificate

    0102030405

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