{"id":2032,"date":"2024-07-24T12:59:34","date_gmt":"2024-07-24T09:29:34","guid":{"rendered":"https:\/\/tatgiil.com\/?post_type=product&p=2032"},"modified":"2026-06-01T08:02:53","modified_gmt":"2026-06-01T04:32:53","slug":"needle-valve","status":"publish","type":"product","link":"https:\/\/tatgiil.com\/en\/product\/needle-valve\/","title":{"rendered":"Needle Valve"},"content":{"rendered":"

A Needle Valve is a type of valve primarily used to control the flow rate of clean gases or fluids with high precision. The design of the valve allows for gradual and smooth adjustment of the flow rate. While Needle Valves are often used as reliable blocking valves, they are typically suited for low-flow applications due to their tendency to cause significant pressure drop from inlet to outlet.<\/p>\n

\"\"<\/h3>\n

Types of Needle Valves<\/h3>\n
    \n
  1. Threaded Needle Valve<\/strong>\u00a0Operates manually by turning the handle to adjust the flow rate.<\/li>\n
  2. Automatic Needle Valve <\/strong>Utilizes an electric or pneumatic actuator for automatic operation.<\/li>\n
  3. Angle Needle Valve<\/strong> The fluid output is directed at a 90-degree angle to the previous flow direction, allowing for space-saving installation in tight systems.<\/li>\n<\/ol>\n

    <\/h3>\n

     <\/p>\n

    Advantages of Needle Valves<\/h3>\n
      \n
    1. Precise Flow Control: Ideal for applications where fine adjustments to flow rates are required.<\/li>\n
    2. Compact Design: The small size makes them easy to install in tight spaces without space constraints.<\/li>\n
    3. Accurate Flow Adjustment: Capable of controlling the flow at extremely low rates, ensuring smooth operations.<\/li>\n
    4. Ease of Operation: Simple and user-friendly, especially for manual control.<\/li>\n<\/ol>\n

      <\/h3>\n

       <\/p>\n

      Disadvantages of Needle Valves:<\/h3>\n
        \n
      1. Limited to Low Flow Systems: Needle Valves are not suitable for high-flow applications due to their design.<\/li>\n
      2. Slow Actuation: Quick opening or closing is not possible, which could lead to damage if rotated too fast.<\/li>\n
      3. Pressure Drop: Significant pressure loss occurs across the valve, which may not be ideal for systems requiring low pressure drops.<\/li>\n
      4. Potential Damage from Solid Particles: If the fluid contains solid particles, the valve's seat and needle may be damaged.<\/li>\n
      5. Status Check Difficulty: It may be hard to tell from the handle position alone whether the valve is fully open or closed.<\/li>\n<\/ol>\n

        <\/h3>\n

         <\/p>\n

        Applications<\/h3>\n
          \n
        1. Analog Piping Systems<\/li>\n
        2. Gradual Flow Cut-off<\/li>\n
        3. Gas Flow Control:<\/li>\n
        4. Precision Measurement System<\/li>\n
        5. Low Flow Applications<\/li>\n
        6. Gas Pipeline Systems<\/li>\n
        7. Automatic Combustion Control Systems<\/li>\n
        8. Pump Discharge Stabilization<\/li>\n<\/ol>\n

           <\/p>\n

          Pressure - Class<\/strong>:<\/strong><\/p>\n

            \n
          1. Needle Valve class #150<\/li>\n
          2. Needle Valve class #300<\/li>\n
          3. Needle Valve class #600<\/li>\n
          4. Needle Valve class #900<\/li>\n
          5. Needle Valve class #1500<\/li>\n
          6. Needle Valve class #2500<\/li>\n<\/ol>","protected":false},"excerpt":{"rendered":"

            \u0634\u06cc\u0631 \u0633\u0648\u0632\u0646\u06cc<\/h3>\n

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