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| Media: | Gas |
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The following is a detailed introduction about Elektrogas solenoid valve VMR4-2:
Basic information
Brand: Elektrogas
Product model: VMR4-2
Product type: Gas solenoid valve, belonging to fast opening and fast closing type, normally closed state.
Applicable medium: Suitable for various non corrosive gases such as natural gas, city gas, liquefied petroleum gas, and air. Some special versions can also be used for corrosive gases such as biogas and coke oven gas.
Application areas: Mainly used in equipment such as boilers, gas burners, atmospheric combustion furnaces, industrial combustion furnaces, etc., for controlling the on/off of gas or air to achieve automatic temperature control or safety protection functions.
Specification parameters
Connection size: The interface specification is usually Rp1.1/2, and there are also various other sizes to choose from, such as threaded interface DN8-DN15 (brass) DN10-DN50, Flange interfaces such as DN40-DN150 ensure seamless integration with numerous standard pipeline systems.
Work pressure: The maximum work pressure is generally 200mbar, 360mbar, or 500mbar, depending on the model and application scenario.
Rated voltage: Common types include 230V AC 50/60Hz, 110V AC 50/60Hz, 24V AC/DC, 12V AC/DC, etc.
Power: Generally 30W.
Working temperature: The ambient temperature range is usually -15 ºC to+60 ºC.
Structure and Principle
Structural design: Made of aluminum alloy die-casting or hot pressed brass material (different versions have different materials), the internal structure includes components such as electromagnetic coils, valve cores, valve seats, springs, etc. The overall design is compact, sturdy and durable.
Working principle: When the electromagnetic coil is energized, it generates a magnetic field that attracts the valve core to overcome the spring force and move upward. The valve opens, allowing gas or fluid to pass through; When the coil is powered off, the magnetic field disappears, and the valve core resets under the action of spring force, closing the valve and preventing gas or fluid from passing through.
Performance characteristics
Quick response: It can achieve quick opening and closing, with fast response speed, and can complete on-off actions in a short time, meeting the system's fast control requirements.
Safe and reliable: It has a fault automatic shutdown function. When the power supply fails or is interrupted, the valve will immediately close automatically to prevent gas leakage, ensure safety, and comply with relevant safety standards such as EN161.
Flow regulation: Some models are equipped with flow regulation function, which can accurately adjust the gas flow according to actual needs to meet different process requirements.
High protection level: It usually has an IP54 protection level, which can prevent dust and water from entering, and some models can also provide an IP65 protection level, suitable for more harsh working environments.
Installation and use
Installation direction: It should be installed according to the airflow direction indicated on the valve body, and the valve body coil should not be inverted. It is allowed to be installed horizontally and vertically.
Control line connection: The control line of the solenoid valve should be connected correctly and reliably. The control line has polarity, for example, the white line is positive and the black line is negative, and cannot be connected in reverse.
Regular maintenance: It is necessary to regularly check the sealing performance of the valve, the insulation performance of the coil, and the movement of the valve core to ensure the normal operation of the valve. If there is a malfunction, it should be repaired or replaced in a timely manner.
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