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    Fluorine Flanged Pneumatic Butterfly Valve
    Fluorine Flanged Pneumatic Butterfly Valve

    DELCO PTFE Fluorine Lined Pneumatic Flange Butterfly Valves

    The fluorine lined pneumatic butterfly valves features a seat and valve plate made from PTFE. This design combines the mechanical strength of a conventional butterfly valve with the exceptional chemical resistance properties of PTFE or PA.

    This valve is suitable for handling a wide range of media, including acids, alkalis, salts, oxidants, reductants, organic solvents, and more.

    Model: DK67-DC-F
    Size Range: 2”~18”
    Pressure Range: 1.6MPa to 6.4MPa
    Material: Cast Iron, Stainless Steel 304/316

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      DELCO PTFE Fluorine Flanged Pneumatic Butterfly Valves

      The fluorine-lined pneumatic butterfly valve is extensively utilized across various industries, including chemical processing, petroleum, pharmaceuticals, food production, steel manufacturing, papermaking, and water and electricity systems. It is particularly effective for controlling gases, liquids, and semifluids in piping and container closure and adjustment applications.

      This valve is suitable for handling a diverse range of media, such as acids, alkalis, salts, oxidants, reductants, and organic solvents. It is available with both spring return and double acting actuators, providing flexibility to meet different operational needs. Additionally, the valve boasts excellent anticorrosion performance, making it a reliable choice for harsh and demanding environments.

      Technical Parameters of Valve Actuator

      Double actingAir to open, air to close, air supplier failure to keep the current position
      Single acting N/CAir to open, interrupt air to close, air failure to close
      Single acting N/OAir to close, interrupt air to open, air failure to open
      Optional accessoryReversing solenoid valve, limit switch box, air filter reducing valve, positioner, handle manual, lock up valve.
      Pneumatic Actuator

      Technical Parameters of Valve Body

      Actuator Type Double Acting / Spring Return(Single Acting) Structure Midline Structure / A-type
      Working Pressure 1.6 / 6.4 MPa Temperature Of Media -30~180℃
      Body Material Cast Iron Suitable Media Air, water, steam, oil, etc
      Size Range DN50-DN600 Disc Material 304, 316, 316L
      Connection Flange Stem Material Stainless Steel
      Actuator

      Air source processor: Combines filtering, pressure reduction, and lubrication functions, ensuring stable outlet pressure. Available in two-piece assemblies for filtering compressed instrument air and three-piece configurations for added lubrication.

      Pneumatic solenoid valve: Regulates the opening and closing of pneumatic valves by magnetizing and demagnetizing to direct gas flow based on voltage signals. Offers precise control over valve operations, commonly used for managing gas source and circuit flow.

      Limit switch: Detects valve status and outputs signals for open or closed positions. Critical in automatic control systems, confirming and executing subsequent programs, providing valve interlock protection, and indicating remote alarms within the system.

      Valve positioner: Crucial for precise control over valve positioning in pneumatic control valves, comparing valve stem displacement and controller output signals, adjusting the actuator output signal accordingly.

      Manual device: Complements pneumatic actuator assemblies, facilitating manual or pneumatic operation for butterfly and ball valves with a 90° opening. Ensures versatility and flexibility in valve operation, allowing for manual and automated control as needed.

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