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Variable Orifice Valve

The variable orifice valve is designed to control the flow rate by changing the size of the orifice. It can be adjusted to different positions to vary the opening area. This allows for precise control of the flow of fluids, whether it is liquid or gas. It is often used in systems where the flow rate needs to be adjusted according to specific requirements, such as in some industrial processes or HVAC systems.
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Variable Orifice Valve


Variable orifice valve is an adjusting valve which is usually installed in pulverized coal feed piping to adjust air powder mixture volume and pressure head, which can keep the speed of primary air at the entrance of burner constant. The valve itself can be equipped with pneumatic, electric, electro-hydraulic or manual actuator.