SAFE, Surpassing Quality!

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

  • Three-Piece Welded Ball Valve
  • Three-Piece Welded Ball Valve

Three-Piece Welded 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 ISO12.7-101.6

    • Pressure Rating: 1.0MPa

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

    • Media Compatibility: Gas/Water/Oil

    • Actuator Options: Manual/Pneumatic/Electric

    • Connections: Welded/Custom (External threads/Sanitary flanges)

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


  • Structural Configuration

    20210721040948865.jpg

  • Main Performance Parameters


    SizeDTdLHW
    DN1012.71.59.7644696
    DN15 / Φ1919.051.516735596
    DN20231.52081.566116
    Φ25.425.41.522.48567116
    DN25281.5259071148
    Φ31.831.81.528.89277148
    DN32341.53110686160
    Φ38.138.11.535.111290160
    DN40401.537116.592160
    Φ50.850.81.547.8145103182
    DN50531.550145103182
    Φ63.563.52 (1.5)59.5 (60.5)151110182
    DN6570266189136235
    Φ76.276.2272.2187142235
    DN80 / Φ8985/89281/85215150235
    DN100 / Φ102104/1022100/98268165330


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