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      DELCO Valve 2 Way Pneumatic 3PF Flange Ball Valves

      The DELCO DK66-3PF is a pneumatic flange ball valve with a two-way port configuration, compliant with GB standards by default, and also available in ANSI, JIS, DIN, or API 6D standards. It features a standard double-acting control mode, with an optional single-acting mode. The valve body is constructed from either 304 or 316 stainless steel and operates with an input air pressure range of 2.5 to 8 bar. It comes with a minimum 1/2 inch flanged connection and a default PTFE seat, ensuring resistance to almost all fluids. This valve is designed to handle higher operating pressures and temperatures.

      Model: DK66-3PF
      Size Range: 1/2″ to 4″
      Pressure Range: 1.6 to 6.4 MPa
      Material: Stainless Steel 304/316, WCB

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        DELCO DK66-3PF Pneumatic 3 Pieces Flange Ball Valve

         

        The DELCO DK66-3PF pneumatic flange ball valve features a long service life, eco-friendly operation, and easy installation. It offers flexibility with two actuator types: spring return (single acting) and double acting, both operating with a quarter-turn rotation for efficient control. Designed to meet multiple standards, the valve is compatible with GB, ANSI, JIS, and DIN specifications.

        The actuator is hard oxidized, providing a longer service life. The valve features bidirectional sealing, allowing for medium flow in any direction.
        With a flange end connection type, the DK66-3PF is suitable for various media, including water, oil, air, and gas. This versatility, combined with its robust construction and reliable performance, makes it an ideal choice for a wide range of industrial applications.

        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

        Body Valve components
        Size range DN15~DN100 Sealing material PTFE, PPL
        Body material Stainless steel Core material Stainless steel
        End connection Flange Stem material Stainless steel
        Operating pressure 1.6 to 6.4 MPa Applicable media Water, oil, Gas, Liquid, steam, powder, anti-corrosive base
        Structure Floating ball core
        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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