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About UsTianjin Nuclear Technology Industrial Co., Ltd. was established in 2010. It is a national high-tech enterprise integrating R & D, design, manufacturing and sales of industrial valves.
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ProductsThe company mainly produces GB, ANSI/API, JIS, DIN, BS, NF and other standards of control valve, ball valve, gate valve, globe valve, check valve, power station valve, butterfly valve and other related products.
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The working principle of hydraulic balance valve
Release time:
07 Oct,2023
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Hydraulic valve manufacturer# Hydraulic balance valve is a device used to control the speed of hydraulic cylinder movement in hydraulic system. Its working principle is as follows:
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The hydraulic balance valve consists of a movable spool and a constant pressure spring. There are two holes on the spool, which are connected with the two chambers of the hydraulic cylinder.
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When the hydraulic system applies pressure, the pressure will act on a hole in the spool, causing the spool to move in the opposite direction.
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As the spool moves, another hole on the spool will open or close, allowing or preventing the flow of hydraulic oil into and out of the hydraulic cylinder.
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When the pressure of the two chambers of the hydraulic cylinder is equal, the hydraulic balance valve reaches a balanced state.
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When the pressure of one cavity of the hydraulic cylinder increases, the pressure will cause the spool to move, thereby increasing the pressure of the other cavity of the hydraulic cylinder to achieve equilibrium.
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The function of the constant pressure spring is to keep the spool in the initial position to ensure that the hydraulic balance valve remains closed under no pressure.
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By controlling the movement of the hydraulic balance valve, the amount of oil in and out of the hydraulic cylinder can be controlled, thereby controlling the speed of the hydraulic cylinder. Hydraulic balancing valves are commonly used in mechanical and engineering applications that require precise control of hydraulic cylinder speed.
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