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    Cryogenic Ball Valve.jpg

    900LB Forged DBB Trunnion-Mounted Cryogenic Ball Valve

    ● Superior cryogenic performance down to -46°C, treated with 2.4 deep cryogenic process.

    ● Leak-free design with PTFE seals and durable lip seals for long-lasting sealing.

    ● Forged trunnion-mounted construction ensures high-pressure resistance and stability.

    ● Rigorous in-house cryogenic testing guarantees consistent, high-quality performance.

    ● Fire-safe, anti-static, and anti-fly stem designs ensure safety in critical environments.

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      Product Parameters

      Size 2"to 36" (DN50~DN900)
      Pressure Rating Class 900 (Optional Class150 / 300 / 600 / 1500/ 2500)
      Operating Temperature ≥-196℃
      Assembly Method Side Entry / Top Entry
      Ball Type Trunnion-mounted, 2~3Pieces
      Body Material A350 LF2, A350 LF3, AISI 4130, AISI 4140, A182 F304, A182 F316, A182 F316L, A182 F51 (S32205), A182 F53 (S32750), Inconel 625, Incoloy 800, Hastelloy C-276, ect.
      Seats PEEK, PCTFE (KEL-F), Devlon V-API, PTFE
      Design Standards GB/T14925, BS5351, MESCSPET7/200, ASMEB16.34
      Connection Flanged
      Drive Mode Handle, Worm Gear, Electric, Pneumatic, Hydraulic
      Application Field LHe, LH₂, LNG, LN₂, LOX, LCO₂, etc.
      Brand SLVCN
      Key Features
      Product Description
      Technical Specifications

      Key Features

      Safety and Leak-Free Design

      Double-Block-and-Bleed (DBB), Anti-Static, Fire-Safe (API 607), Anti-Blowout Stem, and Low Fugitive Emission Packing (ISO 15848) provide comprehensive protection, ensuring maximum safety and leak prevention.

      Superior Cryogenic Performance & Sealing Reliability

      PCTFE Cryogenic Seat and Lip-Seal Compensation deliver a tight, leak-free seal even in extreme conditions as low as -196°C.

      Proven Durability

      Deep Cryogenic Treatment for all pressure components and an extended cryogenic stem ensure reliable performance at temperatures as low as -46°C, handling both extreme cold and high-pressure conditions.

      In-House Cryogenic Testing

      Each valve undergoes rigorous testing in our in-house cryogenic facility, ensuring dependable operation in the harshest low-temperature environments.

      Versatile Applications

      Ideal for cryogenic fluids like Liquid Helium (LHe), Liquid Hydrogen (LH₂), LNG, Liquid Nitrogen (LN₂), and Liquid Oxygen (LOX), as well as high-flow pipelines and large storage tanks.

      Customizable Options

      Available in a wide range of sizes and materials (A350 LF2, A350 LF3, AISI 4130, 4140, A182 F304, F316, F316L, A182 F51, F53, Inconel 625, Incoloy 800, Hastelloy C, etc.) to meet diverse industrial requirements.

      Product Details

      Our Class 900 Ultra-Low Temperature Forged Ball Valve is meticulously designed for extreme cryogenic and high-pressure environments, offering dependable shut-off performance in pipelines, compression stations, offshore, onshore, underwater, and other challenging ultra-low temperature applications.

      Cryogenic Ball Valve

      Parts List

      Technical Specifications

      Dimensions: Class 900 - Full Port

      Size Bore Side Entry Top Entry
      Face to Face D in/mm D1 in/mm Weight Face to Face D2 in/mm Weight
      NPS/DN B1 in/mm B2 in/mm RF in/mm RT J in/mm BWE in/mm Model FF lb/kg Model FW lb/kg RF in/mm RTJ in/mm BWE in/mm Model FT lb/kg
      2" 1.94 1.94 14.5 14.63 14.5 8.5 8.5 137 137 14.5 14.63 14.5 8.5 121
      50 49 49 368 371 368 216 216 62 62 368 371 368 216 55
      3" 2.94 2.94 15 15.13 15 9.5 9.5 205 205 15 15.13 15 9.5 243
      80 74 74 381 384 381 241 241 93 93 381 384 381 241 110
      4" 3.94 3.94 18 18.13 18 11.5 11.5 337 337 18 18.13 18 11.5 474
      100 100 100 457 460 457 291 291 153 153 457 460 457 291 215
      6" 5.94 5.94 24 24.13 24 15 15 750 750 24 24.13 24 15 1091
      150 150 150 610 613 610 381 381 340 340 610 613 610 381 495
      8" 7.94 7.94 29 29.13 29 18.9 18.5 1482 1433 29 29.13 29 18.5 1874

      Weight and dimensions for larger valve sizes up to 36" available on request

      Dimensions: Class 900 - Reduced Port

      Size Bore Side Entry Top Entry
      Face to Face D in/mm D1 in/mm Weight Face to Face D2 in/mm Weight
      NPS/DN B1 in/mm B2 in/mm RF in/mm RTJ in/mm BWE in/mm Model GG lb/kg Model GW lb/kg RF in/mm RTJ in/mm BWE in/mm Model FT lb/kg
      2"×11/2" 1.93 1.5 14.5 14.63 14.5 8.5 8.5 108 108 14.5 14.63 14.5 8.5 110
      50×40 49 38 368 371 368 216 216 49 49 368 371 368 216 50
      3"X2" 2.94 1.94 15 15.13 15 9.5 9.5 150 150 15 15.13 15 9.5 159
      80×50 74 49 381 384 381 241 241 68 68 381 384 381 241 72
      4"X3" 3.94 2.94 18 18.13 18 11.5 11.5 254 254 18 18.13 18 11.5 320
      100×80 100 74 457 460 457 291 291 115 115 457 460 457 291 145
      6"×4" 5.94 3.94 24 24.13 24 15 15 481 481 24 24.13 24 15 595
      150×100 150 100 610 613 610 381 381 218 218 610 613 610 381 270
      8"×6" 7.94 5.94 29 29.13 29 18.5 18.5 948 948 29 29.13 29 18.5 1257
      200×150 201 150 737 740 737 471 471 430 430 737 740 737 471 570
      10"×8" 9.94 7.94 33 33.13 33 21.5 21.5 1700 1654 33 33.13 33 21.5 2050

      Weight and dimensions for larger valve sizes up to 36" available on request

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

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      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.
      advantage-2
      advantage-1-1

      Tailored Solutions

      Custom-designed valves based on process conditions and project specifications, ensuring reliable performance under demanding operating conditions.
      advantage-2
      advantage-1-1

      Rigorous Quality Control

      ISO 9001-managed design, manufacturing, and testing in accordance with API 6D, ASME B16.34, and fire-safe standards.
      advantage-2
      advantage-1-1

      Proven Reliability

      Every valve is fully tested and inspected, delivering zero-leakage, project-ready valves you can trust.
      advantage-2

      How We Ensure Quality & Reliability?

      Quality is built into every stage - from raw material to final testing.

      Material Verification
      01

      Material Verification
      Dimensional Inspection
      02

      Dimensional Inspection
      Ultrasonic Flaw Detector
      03

      Ultrasonic Flaw Detection
      Hydrostatic Pressure Testing
      04

      Hydrostatic Pressure Testing
      CNC Machining Centers
      05

      CNC Machining Centers
      Fully Automated Welding Equipment-new
      06

      Fully Automated Welding Equipment
      Cryogenic Testing Area
      07

      Cryogenic Testing Area
      Pressure Testing Equipment
      08

      Pressure Testing Equipment

      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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