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Our factory requirements are based on
leakage class V in accordance with IEC 60534.

  • Industrial Thick-Wall Welded Three-Piece Ball Valve
  • Industrial Thick-Wall Welded Three-Piece Ball Valve

Industrial Thick-Wall Welded Three-Piece Ball Valve

Three-Piece Ball Valve offers diversified connections: Internal threads, industrial thick-wall pipe welding, sanitary thin-wall pipeline butt welding (compatible with automatic welding machines for extended automated welding), sanitary pipeline quick-connect, sanitary pipeline hygienic flanges, national standard pipeline GB flanges.

Three-Piece Ball Valve body adopts precision vacuum wax mold casting technology with optimized structure and aesthetic design. Elastic sealing structure ensures reliable sealing and smooth operation. Reverse-sealed bottom-loading stem design prevents stem ejection during abnormal cavity overpressure.

Three-Piece Ball Valve bodies feature ISO high platforms and locking mechanisms. Compatible with pneumatic/electric actuators, valve position feedback, mechanical/smart positioners to meet industrial automation requirements.


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Product Details

Precision in Flow Control, Excellence from Zhongyuan

  • Product Features
  • ​Applicable Standards
  • ​Structural Configuration
  • Main Performance Parameters
  • Product Features

    Structural Features

    • Low fluid resistance with equivalent coefficient to same-length pipelines

    • Simple structure, compact size and lightweight

    • Reliable sealing with domestic/imported PTFE seats, suitable for vacuum systems

    • 90° quarter-turn operation enables quick open/close

    • Maintenance-friendly design with replaceable seals

    • Sealing surfaces isolated from media in fully open/closed positions

    • Standard semi-encapsulated seals; Full-encapsulated option available for special processes


  • ​Applicable Standards

    Standard Specifications

    • Actuation: Manual/Configurable (Pneumatic/Electric)

    • Nominal Diameter: DN10-DN100 (Series I, Series II)

    • Pressure Rating: 1.6MPa (Higher pressure customizable)

    • Temperature Range: Domestic PTFE -10~100℃/Imported PTFE -10~150℃

    • Media Compatibility: Gas/Water/Oil

    • Actuator Options: Manual/Pneumatic/Electric

    • Connection Standard: Industrial Thick-Wall Welded

    • Body Material: Cast steel/CF8 (304)/CF3 (304L)/CF8M (316)/CF3M (316L)


  • Structural Configuration

    20210721042805954.jpg

  • Main Performance Parameters


    SizeDTLHF
    DNNPSseries Iseries II
    103/8"17.2142664895
    151/2"21.3182735595
    203/4"26.9252.58266110
    251"33.73239367.5110
    321-1/4"42.438311177145
    401-1/2"48.345311683165
    502"60.357314692180
    652-1/2"76.1764186140208
    803"88.9894213150240
    1004"114.31084270170320


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