Combination Damper
The electric combination valve consists of four main components: individual valves, a base frame, a combined transmission mechanism, and an electric actuator. Both the valve body and blades are made from galvanized steel sheets or stainless steel, featuring either opposed or parallel opening transmissions. The effective ventilation area exceeds 80%, and the valve meets the JG/T436 standard for tightness, ensuring minimal leakage. The valve body can be installed either horizontally or vertically, responding to on/off commands transmitted via electrical signals while simultaneously providing feedback to the control system. Additionally, a manual button is integrated for local operation. The operating voltage is AC 220 V / 50 Hz, making this valve ideal for ventilation and smoke exhaust systems in subways, tunnels, stations, and large warehouses. Please note that the system’s reliable performance depends on several critical factors, including operating temperature, leakage rate, effective ventilation area, static pressure, and site-specific installation conditions. Therefore, the combination valve can be custom-designed according to specific user requirements—please provide the relevant design parameters when placing your order.
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