Waterproof solenoid valve

Electromagnetic valve is an industrial equipment controlled by electromagnetic, which is an automation basic component used to control fluids. It belongs to the actuator and is not limited to hydraulic or pneumatic systems. It is used in industrial control system to adjust the direction, flow, speed and other parameters of medium. The solenoid valve can be combined with different circuits to achieve the expected control, and the accuracy and flexibility of the control can be guaranteed. There are many types of solenoid valves, and different solenoid valves play a role in different positions of the control system. The most commonly used ones are one-way valves, safety valves, directional control valves, speed regulating valves, etc.

Item NO.:
XUVAL33-218
Lead Time:
50 Days
Brand:
XUVAL
Shipping Port:
Shanghai
Payment:
100%TT
Color:
silvery
MOQ:
1

Products Details

The solenoid valve has a sealed chamber with through holes at different positions, each connected to a different oil pipe. The middle of the chamber is a piston, and there are two electromagnets on both sides. The magnetic coil on which side is energized will attract the valve body to which side. By controlling the movement of the valve body, different oil discharge holes can be opened or closed. The oil inlet hole is usually open, and hydraulic oil will enter different oil discharge pipes, and then push the piston of the oil cylinder through the pressure of the oil, The piston drives the piston rod, which drives the mechanical device. In this way, mechanical motion is controlled by controlling the current flow of the electromagnet.

(1) Direct acting solenoid valve:

Principle: When energized, the electromagnetic coil generates electromagnetic force to lift the closing part from the valve seat, and the valve opens; When the power is cut off, the electromagnetic force disappears, and the spring presses the closing part against the valve seat, causing the valve to close.
Features: It can work normally under vacuum, negative pressure, and zero pressure, but the diameter generally does not exceed 25mm.

(2) Step by step solenoid valve:

Principle: It is a combination of direct action and pilot type principle. When there is no pressure difference between the inlet and outlet, the electromagnetic force directly lifts the pilot small valve and the main valve closure part upwards after being energized, and the valve opens. When the starting pressure difference between the inlet and outlet is reached, after being energized, the electromagnetic force leads the small valve, causing the pressure in the lower chamber of the main valve to increase and the pressure in the upper chamber to decrease, thereby using the pressure difference to push the main valve upwards; When the power is cut off, the pilot valve uses spring force or medium pressure to push the closing element downwards, causing the valve to close.

Features: It can also operate at zero pressure difference, vacuum, and high pressure, but with high power, it is required to be installed horizontally.

(3) Pilot operated solenoid valve:

Principle: When energized, electromagnetic force opens the pilot hole, causing a rapid decrease in pressure in the upper chamber, creating a high and low pressure difference around the closing element. Fluid pressure pushes the closing element upwards, causing the valve to open; When the power is cut off, the spring force closes the pilot hole, and the inlet pressure quickly forms a pressure difference of low to high around the closing valve through the bypass hole. The fluid pressure pushes the closing valve downward to close the valve.

Features: The upper limit of the fluid pressure range is high, and can be installed arbitrarily (customized), but the fluid pressure difference condition must be met.

2. Electromagnetic valves are divided into six sub categories based on differences in valve structure, material, and principle: direct acting diaphragm structure, step-by-step direct acting diaphragm structure, pilot diaphragm structure, direct acting piston structure, step-by-step direct acting piston structure, and pilot piston structure.

3. Electromagnetic valves are classified according to their functions: water solenoid valves, steam solenoid valves, refrigeration solenoid valves, low-temperature solenoid valves, gas solenoid valves, fire solenoid valves, ammonia solenoid valves, gas solenoid valves, liquid solenoid valves, micro solenoid valves, pulse solenoid valves, hydraulic solenoid valves, normally open solenoid valves, oil solenoid valves, DC solenoid valves, high-pressure solenoid valves, explosion-proof solenoid valves, etc.

An electromagnetic valve is an electromagnetic coil that generates magnetic attraction after being energized, overcomes the pressure of the spring, and drives the valve core to move. It is just an electromagnetic coil, with a simple structure and cheap price, and can only achieve switching.

1. Electromagnetic valve: used for on-off control of liquid and gas pipelines, it is a two position DO control. Generally used for control of small pipelines.

2. Electromagnetic valve: can only be used as a switching value, is DO control, can only be used for small pipeline control, common in DN50 and below pipelines, and rarely upward.

Hot tags :

Stainless steel solenoid valve Normally closed and normally open solenoid valve Direct pull diaphragm solenoid valve Low Pressure Solenoid Valve Low pressure threaded solenoid valve

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