fluorine lining gate valve

How Solenoid Valves Work

by:Lianke Valve     2022-09-13
Solenoid valve is an automatic basic component used to control the direction of fluid, belonging to the actuator; usually used in mechanical control and industrial valves, to control the direction of the medium, so as to control the valve switch. ◆ There is a closed cavity in the working principle, and through holes are opened at different positions, and each hole leads to a different oil pipe. There is a valve in the middle of the cavity, and two electromagnets on both sides. Which side is attracted to, by controlling the movement of the valve body to block or leak different oil discharge holes, and the oil inlet hole is normally open, the hydraulic oil will enter different oil discharge pipes, and then push the oil cylinder through the pressure of the oil The piston drives the piston rod, and the piston rod drives the mechanical device to move. In this way, the mechanical movement is controlled by controlling the current of the electromagnet. ◆ Classification 1. In principle, it can be divided into three categories: (1) Direct-acting solenoid valve: Principle: When energized, the electromagnetic force opens the pilot hole, and the pressure of the upper chamber drops rapidly, forming a low-up and high-down around the closing part. The pressure difference, the fluid pressure pushes the closing member to move upward, and the valve opens; when the power is off, the spring force closes the pilot hole, and the inlet pressure passes through the bypass hole to rapidly form a pressure difference around the valve closing member, and the fluid pressure Push the closing piece down to close the valve. Features: It can work normally in vacuum, negative pressure and zero pressure, but the diameter generally does not exceed 25mm. (2) Distributed direct-acting type: Features: It can also act safely at zero pressure difference or vacuum and high pressure, but the power is large, and it must be installed horizontally. (3) Pilot type: Features: The upper limit of the fluid pressure range is high, which can be installed arbitrarily (need to be customized) but must meet the fluid pressure differential conditions. 2. From the difference in valve structure and material and the difference in principle, it is divided into six sub-categories: direct-acting diaphragm structure, step-by-step heavy-plate structure, pilot diaphragm structure, direct-acting piston structure, step-by-step direct acting Piston structure, pilot piston structure.
is frequently used by people in daily life since it can improve types of industrial valves and types of industrial valves.
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Further dialogue of Lianke Valve between the approaches, the chapter concludes, could lead to actionable advice on more robust policies that drive both structural change and competitiveness upgrading.
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