Piece Ball Valve

Three-piece High Pressure Ball Valve

The ball cover can be connected with the valve stem to form a 90 degree ball core structure. It is mainly used for pipeline switch, emergency cut-off, and ball core V-shaped opening can also be designed to achieve flow regulation function.


Design standards:ANSI B16.34,API608.

Wall thickness standard:ANSI B16.34,EN12516-3.

Thread standard:ANSI B1.20.1;BS21;DIN 2999/259;ISO 228/1; ISO7/1;JIS B0203.

Socket welding standard:ASME B16.10.

Butt welding end standard:ASME B16.25/ISO1127/EN12627.

Flange end standard:ASME B16.5 CLASS 150/300; EN1092-1; HG20592 GB/T9113; PN10-PN40; JIS B2238 10K/20K.

Testing standard:API 598; EN 12266.

  • Technical Data

    DesignANSI B16.34,API6D,BS5351,DIN3337

    Pressures RangeANSI 150lb ~ANSI 300lb ,PN16~PN64,JIS 10K,1000-2000PSI

    Size RangeDN8(1/4") ~DN150 (6")

    Body MaterialCarbon Steel, Stainless Steel, Alloy Steel, Duplex Steel.etc.
    NACE MR-01-75/NACE MR-01-03 Special Requirements

    Face To FaceANSIB16.10;DIN3202 F1,F4/F5;GB/T12221;JISB2002

    Flanged RF, FF, RTJ EndsASME B16.5 CLASS 150/300;EN1092-1;HG20592 GB/T9113
    PN10-PN40;JIS B2238 10K/20K

    Butt-Weld BW EndsASME B16.25,ISO1127/EN12627

    Socket-Weld SW EndsANSI B1.20.1;BS21;DIN2999/259;ISO228/1;ISO7/1;JIS B0203

    Temperature Range-196℃~300+℃

  • Design Feature

    ConstructionThree pieces body ,Two pieces body,One pieces body

    PortFull bore ,Reduced bore,two way,three way,mulity port way

    Ball TypeFloating ball,fixed ball,V-shaped ball valve,The 3-way ball valve

    StemBlowout-proof stem

    Seat SealingIntegral body seat ,seat welded and overlaid

    Valve OperationGear,pneumatic,Hydraulic,Electric actuators.
    By passes,locking devices,extended stem,etc

    Fire SafeAPI 607 4th Editon ,BS5351

    Other DesignAnti-static design,automatic pressure relief design, emergency grease injection design, drain valve, anti-corrosion design, anti-sulfur design,etc

  • Inspection And Test

    Visual InspectionMSS SP-25

    Material InspectionPMI Test---Chemical Analysis
    UT---Ultrasonic Test
    RT---Radio-graphic Test
    MT---Magnetic Test
    NDT Test Non-destructive

    Dimension InspectionAccording to drawings

    Valve Inspection And TestEN12266,API598,ETC

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