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Globe Valves

Electric Globe Valve

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Overview:

The Electric Globe Valve is a reliable, automated flow control valve designed for regulating or stopping the flow of various fluids in pipelines. This valve uses electric power to operate, making it ideal for remote or automated systems in industries such as oil and gas, chemical processing, power generation, and water treatment.

Product Features:

  1. Material:
    • Body Material: Available in various materials, including carbon steel, stainless steel (304, 316), and alloy steel, ensuring high durability and compatibility with different media.
    • Sealing Material: Options for PTFE, metal, or graphite seals, providing leak-proof operation in high-temperature and high-pressure environments.
  2. Design:
    • API/ANSI/BS Standard Compliance: Designed and manufactured in accordance with international standards like API 600, ANSI B16.34, and BS 1873 for globe valves, ensuring top-notch quality and performance.
    • Flanged, Threaded, or Butt-weld Connections: Options for different connection types, allowing easy installation and integration into existing pipelines.
    • Rising Stem Design: The stem rises as the valve opens, providing a visual indication of the valve position, which aids in monitoring and maintenance.
    • Compact and Sturdy Structure: The valve’s body is designed to handle high pressure and temperatures, while maintaining a compact size for efficient use in space-limited areas.
  3. Operation:
    • Electric Actuation: The valve is driven by an electric actuator, providing automatic opening and closing without manual intervention. This is suitable for systems that require precise control or are difficult to access.
    • Remote Control and Automation: Supports remote operation and can be integrated into larger automated control systems for process optimization.
    • Fail-Safe Options: Depending on the model, a fail-safe feature can be included where the valve automatically closes or opens to a pre-set position in case of power loss.
  4. Flow Control:
    • Linear Flow Control: The globe valve design offers precise flow regulation due to its linear motion, which makes it suitable for throttling applications.
    • Low Flow Resistance: Engineered to minimize turbulence and pressure loss while ensuring smooth fluid control across a wide range of operating conditions.
  5. Pressure and Temperature Ratings:
    • Wide Pressure Range: Available in pressure classes ranging from PN16 to PN250 or ANSI Class 150 to Class 2500, making it versatile for various industrial applications.
    • Temperature Range: Depending on the material, it can operate in temperatures from -40°C to 500°C, suitable for both cryogenic and high-temperature applications.
  6. Sealing and Leakage Prevention:
    • Tight Shut-off: Designed for bubble-tight sealing, preventing any leakage, even under high-pressure conditions.
    • Soft or Hard Sealing: Available in both soft-seal (PTFE) for corrosive fluids and hard-seal (metal-to-metal) for high-temperature or abrasive media applications.
    • Blowout-Proof Stem: Ensures safe operation by preventing the stem from being ejected under pressure, even in case of failure.
  7. Electric Actuator:
    • Integrated Control Unit: Features a built-in control system, supporting input signals of 4-20mA or 0-10V for proportional control, allowing seamless integration with control systems like SCADA or DCS.
    • Voltage Options: Available in a range of voltages, including 220V AC, 380V AC, and 24V DC, making it compatible with different power supply systems.
    • Manual Override: Equipped with a manual override mechanism, allowing operators to manually control the valve in case of an electrical failure.
  8. Safety Features:
    • Overload Protection: The electric actuator is equipped with overload protection to prevent damage to the valve in case of excessive force or obstruction.
    • Fire-Safe Design: Available with fire-safe features for critical applications, ensuring that the valve continues to operate in the event of a fire, complying with API 607 and API 6FA standards.

Applications:

  1. Oil and Gas:
    • Used for controlling the flow of hydrocarbons, steam, and gases in refineries, pipelines, and offshore platforms.
  2. Power Generation:
    • Employed in steam and water systems in power plants, including fossil fuel and nuclear plants.
  3. Chemical and Petrochemical Industry:
    • Ideal for controlling the flow of corrosive chemicals, solvents, and process fluids, particularly where remote control is needed.
  4. Water Treatment:
    • Utilized in water and wastewater management systems for controlling the flow of treated water or chemicals.
  5. HVAC Systems:
    • Often used in heating, ventilation, and air conditioning systems to control the flow of hot and cold water.

Advantages:

  • Automation and Precision: Allows for precise and automated control of fluid flow, reducing the need for manual operation and improving process efficiency.
  • Long Service Life: Built with high-quality materials, the valve ensures durability even in harsh environments, reducing maintenance costs.
  • Versatility: Suitable for a wide range of fluids, including water, steam, gas, oil, and chemicals, making it a versatile option for various industrial processes.
  • Improved Safety and Reliability: With built-in safety features such as overload protection, blowout-proof stem, and fail-safe mechanisms, the valve ensures safe operation even in demanding applications.

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