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What is the working principle of a ball screw flat gate valve?
Release Date:
2025-07-31
The core working principle of the ball screw flat gate valve is to efficiently convert rotational motion into linear motion through the ball screw mechanism, driving the gate plate to lift and lower to control the opening and closing of the fluid channel.
The core working principle of the ball screw flat gate valve is to efficiently convert rotational motion into linear motion through the ball screw mechanism, driving the gate plate to lift and lower to control the opening and closing of the fluid passage. The specific process is as follows:
When the motor or other power source drives the screw to rotate, the balls roll between the screw thread groove and the nut raceway, pushing the nut to move precisely along the axial direction.
The nut is connected to the valve stem, which drives the gate plate to move vertically; when opening, the gate plate rises to allow fluid to flow freely, and when closing, the gate plate descends to press the valve seat to achieve sealing, relying on the medium pressure or externally applied forced sealing force.
This design combines the high efficiency and low friction characteristics of the ball screw with the reliable sealing of the gate valve, suitable for heavy-duty systems requiring precise flow control.
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