FLANGE-CONNECTION FLOATING BALL VALVE
A. FLANGE-CONNECTION FLOATING BALL VALVE SPECIFICATIONS
  • Applicable medium: Water, gas, oil product, natural gas and corrosive mediums such as acids, alkali etc.
  • Applicable temperature: -196~350
  • Driving means: manual, pneumatic, motor and hydro-dynamic etc.
  • Inside nominal diameter:DN15~250mm (1/2" - 10")
  • B. FLANGE-CONNECTION FLOATING BALL VALVE BRIEF FIGURE OF STRUCTURE
    No-pressure
    Low-pressure
    High-pressure
    Q41F Flange-connection Floating Ball Valve
    C. FLANGE-CONNECTION FLOATING BALL VALVE TECHNICAL SPECIFICATIONS
    Design reference GB series API series
    Design standard GB/T12237 API 6D ANSI B16.34
    Flange-connection GB/T12221 API 6D ANSI B16.10
    Structural length GB/T15188.1 API 6D ANSI B16.10
    Connecting flange GB/T9113 ANSI B16.5. B16.47
    Butt-welding ends GB/T12224 ANSI B16.25
    Test & Inspection GB/T9092 API 6D API598
    D. FLANGE-CONNECTION FLOATING BALL VALVE MAIN PARTS AND MATERIALS
    Stem Screw Gasket
    NO. Accessory name Material
    GB ASTM
    1 Body WCB A216-WCB
    2 Sealing Ring PTFE PTFE
    3 Globe Ball 1Cr18Ni9Ti SS304
    4 Nut 35 A194-2H
    5 Stud 35Crmoa A193-B7
    6 Bonnet WCB A216-WCB
    7 Gasket Graphite+ taintlesssteel B12.10-304/F.G
    8 Stuffing PTFE PTFE
    9 Gland WCB A216-WCB
    10 Locating piece 25 A 105
    11 Ring 65Mn AISI  1066
    12 Wrench Kt33 A47-667 Gr.32510
    13 Stemt 1Cr33 A276-410
    14 Screw 35 A193-B7
    15 Gaske PTFE PTFE
    E. FLANGE-CONNECTION FLOATING BALL VALVE TEST PRESSURE
    Pressure grade Test pressure (Mpa)
    Nominal pressure Pound (class) Shell test Sealing test
    1.0 - 1.5 1.1
    1.6 - 2.5 1.76
    2.5 - 3.8 2.75
    4.0 - 6.0 4.4
    6.4 - 9.6 7.04
    - 150 3.0 2.2
    - 300 7.6 5.6
    - 600 15.0 11.0
    - 10K 2.4 1.5
    - 20K 5.8 4.0

    The technical data subject to amend without notice