{"id":47936,"date":"2025-08-04T08:39:13","date_gmt":"2025-08-04T08:39:13","guid":{"rendered":"https:\/\/junchicn.com\/?p=47936"},"modified":"2026-01-09T03:47:13","modified_gmt":"2026-01-09T03:47:13","slug":"linear-water-valve","status":"publish","type":"post","link":"https:\/\/junchicn.com\/it\/linear-water-valve\/","title":{"rendered":"Valvola lineare ad acqua"},"content":{"rendered":"

Linear Water Valve with Flap Control Technology<\/strong>
Precision Flow Regulation for Yutong Bus, Xianggong, and Liugong HVAC Systems<\/strong><\/p>\n\n\n\n

\n\n\n\n

Product Overview<\/strong><\/h3>\n\n\n\n

The Linear Water Valve<\/strong> is a high-precision, electrically actuated control valve designed specifically for advanced HVAC systems in commercial vehicles<\/strong>, including Yutong buses, Xianggong engineering vehicles, and Liugong construction machinery<\/strong>. Unlike standard rotary valves that offer only on\/off or stepwise control, this valve features linear flow characteristics<\/strong>, enabling proportional regulation of water flow<\/strong> based on real-time temperature demands.<\/p>\n\n\n\n

Powered by a DC 12V\/24V actuator<\/strong>, it delivers smooth, continuous modulation of coolant or hot water flow through a flap-style valve mechanism<\/strong>, ensuring optimal thermal efficiency across varying operating conditions. Its linear flow curve<\/strong> allows for precise control over heating and cooling output\u2014critical for maintaining consistent cabin comfort in large vehicles and heavy-duty equipment.<\/p>\n\n\n\n

With a DN14 port size<\/strong>, maintenance-free design<\/strong>, and factory-tested zero leakage<\/strong>, this valve represents a significant advancement in mobile climate control technology. It is engineered to meet the demanding requirements of OEMs like Yutong and Liugong, where reliability, accuracy, and durability are non-negotiable.<\/p>\n\n\n\n

\n\n\n\n

Key Features & Technical Advantages<\/strong><\/h3>\n\n\n\n
    \n
  • Linear Flow Characteristic (Core Innovation)<\/strong>:
    The valve\u2019s flap-type internal structure<\/strong> provides a linear relationship between valve position and flow rate<\/strong>. This means:
    • A 50% open position = 50% flow<\/li>
    • No “step response” or sudden changes in heat output<\/li>
    • Enables smooth temperature transitions<\/strong> without overshoot or hunting<\/li><\/ul>Industry Insight<\/em>: According to SAE J1839 standards, linear valves reduce HVAC energy consumption by up to 22%<\/strong> compared to on\/off valves due to more efficient heat exchange management.<\/li>\n\n\n\n
    • Precise Position Control via Actuator<\/strong>:
      Controlled by a standard HVAC controller<\/strong>, the actuator receives signals to rotate the flap valve to a specific opening angle (0\u00b0\u201390\u00b0). This allows for fine-tuned adjustment<\/strong> of heating\/cooling capacity based on ambient conditions, driver settings, or system load.<\/li>\n\n\n\n
    • High-Temperature & High-Pressure Performance<\/strong>:
      • Operating Temperature Range<\/strong>: -5\u00b0C to +100\u00b0C<\/strong><\/li>
      • Max Pressure<\/strong>: Up to 1.0 MPa<\/strong> (suitable for engine coolant circuits)<\/li>
      • Leakage Rate<\/strong>: <1 L\/h<\/strong> (zero leakage at factory)<\/li><\/ul>Ensures safe operation in both cold climates and high-load scenarios.<\/li>\n\n\n\n
      • Compact & Lightweight Design<\/strong>:\n
          \n
        • Dimensions: 107 \u00d7 55 \u00d7 63 mm<\/strong><\/li>\n\n\n\n
        • Weight: 470g<\/strong><\/li>\n\n\n\n
        • Ideal for tight spaces in vehicle HVAC ducts or engine compartments<\/li>\n<\/ul>\n<\/li>\n\n\n\n
        • Maintenance-Free Operation<\/strong>:
          Built with self-lubricating seals<\/strong> and non-stick valve seats<\/strong>, it requires no periodic servicing<\/strong>, reducing downtime and maintenance costs in fleet operations.<\/li>\n\n\n\n
        • Versatile Installation Options<\/strong>:\n
            \n
          • Installation Orientation<\/strong>: Horizontal or upright<\/li>\n\n\n\n
          • Interface Form<\/strong>: Hoop (flanged connection) for secure mounting<\/li>\n\n\n\n
          • Rotation Angle<\/strong>: 90\u00b0 \u00b12\u00b0<\/li>\n\n\n\n
          • Wire Length<\/strong>: Adjustable for custom routing<\/li>\n<\/ul>\n<\/li>\n\n\n\n
          • Customizable Accessories<\/strong>:\n