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    DELCO Pneumatic Cast Iron PTFE Sealed Wafer Butterfly Valve

    The DELCO DK67-DC Wafer Butterfly Valves include quick and easy operation, compact design, and high flow capacity. They are commonly used in industries such as oil and gas, chemical, water treatment, and food and beverage processing. Pneumatic butterfly valves are known for their reliability, durability, and low maintenance requirements.

    • Model: DK67-WB
    • Size Range: 2”~16”
    • Pressure Range: 1.0MPa to 1.6MPa
    • Material: Cast Iron, Ductile iron, WCB, Stianless Steel
    • Seal Material: EPDM, PTFE, NBR

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      DELCO Cast Iron Pneumatic Actuated Butterfly Valve

      Tailored to user specifications, both pneumatic and electric configurations offer versatile options for remote and programmable control, ensuring optimal functionality. These butterfly valves boast a simple design, compact size, lightweight construction, and cost-effectiveness. The pneumatic actuator facilitates swift on/off switching with a 90-degree rotation, enhancing operational ease.

      Furthermore, additional components such as positioners, limit switches, hand wheels, and solenoid valves can be integrated as needed. With options for both Spring Return (Single Acting) and Double Acting pneumatic actuators, users can select the actuator type that best suits their requirements.

      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 DN50~DN400 Sealing material PTFE
      Body material Cast Iron, WCB Core material Stainless steel
      End conection Wafer, Flange Stem material Stainless steel
      Operating pressure 1.0, 1.6MPa Applicable media Water, oil, Gas, Liquid, steam, powder, anti-corrosive base
      Structure Midline Structure/ A-type
      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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          DELCO Valve provides OEM service for many world-famous brands, and we are able to design and manufacture industrial valves according to customer’s requirements.

          • TianSheng Industrial Park, Wanjiang Street, Dongguan City,China

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