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DELCO Double Union UPVC 3 Way Pneumatic Ball Valves

The DELCO DK66-3PL Pneumatic PVC Ball Valves is available in 2-way or 3-way port configurations. It comes with a standard double-acting control mode, with a single-acting option available. Constructed from UPVC or PVC, with an optional CPVC body, this valve operates within an input air pressure range of 2.5 to 8 bar.

Featuring a minimum 1/2 inch union connection, it also offers an optional internal female thread. The default seat material is EPDM, making the valve suitable for common applications involving air, hot water, cold water, and low-pressure steam.

Model: DK66-3PL
Size Range: 1/2″-2″
Pressure Range: 1.0~1.6MPa
Material: PVC, CPVC, UPVC

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    DELCO Plastic 3 Way Pneumatic Actuator Ball Valve

    Air actuated PVC 3-way plastic ball valves are designed for the on-off control of water and other media compatible with their construction materials. These valves offer several advantages, including higher flow rates, the ability to handle higher pressures, wider media compatibility, a straight-through flow path, reduced water hammer, and suitability for use in hazardous environments.
    With a simple structure, small size, and lightweight design, they are easy to install and maintain. The actuator types available are spring return (single acting) and double acting. The valve types include 2-way and 3-way air actuator ball valves, available in T type and L type configurations, operating with a quarter-turn rotation. These valves can be aligned and supported in any position and feature a double union connection. They are suitable for a variety of media, including water, liquids, oil, air, and gas.

    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 TypeSpring Return / Double ActingSize RangeDN15-DN50
    Port ThreadDouble Union, ThreadBody MaterialPlastic UPVC
    MediumAir, water, steam, oil, etcStructureT port / L port
    Working Pressure10 / 16 bar (145 / 232 psi)Suitable MediaWater, Liquids, Gas, Oil, Air, Steam, Corrosive Medium, etc
    Body MaterialPlastic UPVCTemperature Of Media-10 to 180℃ (14℉ to 356℉)
    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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