Solenoid valve according to the function of classification can be divided into what?
This article by the function of the solenoid valve detailed classification, and introduces the specific classification of the solenoid valve use, if the answer is helpful to you, please raise your hand, give the VTON valves point a praise.
By solenoid valve function is mainly divided into, pilot operated solenoid valve, direct solenoid valve, steam solenoid valve, water solenoid valve, gas solenoid valve, gas solenoid valve, etc., specifically for a variety of solenoid valves, a detailed description of their specific uses.
1, imported pilot solenoid valve
Imported pilot solenoid valve, Pilot solenoid valve, energized, relying on electromagnetism to lift the valve stem, the pilot valve port to open, at this time, the solenoid valve cavity through the pilot hole pressure relief, in the main spool around the formation of the upper and lower pressure difference, under the action of the pressure difference, the fluid pressure pushes the main spool upward movement will be the main valve mouth Open; power failure, in the spring force and the main spool under the action of gravity, valve stem reset, solenoid valve cavity pressure rises, fluid pressure to push the main spool downward movement, the main valve port closed. Used in the valve before and after the existence of pressure differences in the working conditions and large diameter pipeline system. For example, VTON VTON pilot operated solenoid valves for differential pressure greater than 0.1Mpa above the pressure occasions.
2, imported direct acting solenoid valve
Imported direct acting solenoid valve, Direct acting solenoid valve, when energized, the solenoid coil generates electromagnetic force to close the piece from the valve seat to lift the valve to open; power failure, the electromagnetic force disappears, the spring closes the piece pressed on the seat, the valve is closed.
For example, VTON's direct-acting solenoid valves are used for vacuum and negative pressure, as well as zero differential pressure or self-flowing state of the media, or small-diameter pipelines.
3, imported explosion-proof solenoid valve
Imported explosion-proof solenoid valves, Explosion-proof solenoid valves, equipment may ignite explosive gas mixtures of components are all enclosed in an enclosure, and its enclosure is able to withstand through the enclosure of any joints or structural gaps, penetrate the enclosure of the internal combustible mixtures in the internal Explosion without damage, and will not cause the external by one, a variety of gases or vapors formed by the ignition of the explosive environment, may produce sparks, arcs and dangerous temperatures of the parts are put into the explosion-proof shell, explosion-proof shell so that the internal space of the equipment and the surrounding environment is separated. Explosion-proof shell gap, due to electrical equipment breathing and gas permeability, so that there may be explosive gas mixtures inside.
For example, VTON imported explosion-proof solenoid valves, used for the transmission of flammable and explosive media or special solenoid valves dedicated to explosive hazardous areas of the special series of products, different environments and fluids should be selected from different explosion-proof level of solenoid valves.
4, imported high-pressure solenoid valves
Imported high-pressure solenoid valves, High-pressure flange solenoid valves, refers to the use of forged valve body, flange connection, the pressure in the solenoid valve more than 5.0Mpa, up to 160Mpa, for a variety of high-pressure systems. For example, the imported high-pressure solenoid valves of VTON are widely used in experimental equipment, test equipment, CNG equipment, gas equipment, hydraulic systems, mining machinery, compressors, air separation equipment, high-pressure pumping stations, cleaning equipment, machine manufacturing and other automation control.
5, imported high temperature solenoid valve
Imported high temperature solenoid valve, High temperature solenoid valve, is the valve body and sealing the use of high-temperature materials, the use of temperature-resistant coils, not easy to burn, precision casting, the appearance of fine solenoid valves, suitable for high and medium-temperature hot water, thermal oil, high temperature steam, saturated steam and superheated steam and other pipeline automatic control. Automatic control of pipelines, the highest temperature of 550 degrees; such as VTON imported high-temperature solenoid valves, widely used in medical equipment, clothing equipment, petrochemical, biopharmaceutical, HVAC, plating and painting, drying equipment, rubber and plastic machinery, food and beverage, paper, printing and dyeing, and electric power and mining industries.
6, imported steam solenoid valve
Imported steam solenoid valve, Flanged steam solenoid valve, is used for steam media switch off the solenoid valve, with high temperature and corrosion resistance. For example, VTON VTON imported steam solenoid valve, suitable for steam as a heating medium for heaters, radiators, dryers and fabric sizing machine, steam dyeing machine, tobacco vacuum moisture machine, vegetable and fruit dryers and other complete sets of equipment for the steam pipeline for the two-position automatic and remote switching on and off, and is widely used in the petroleum, chemical industry, metallurgy, textiles, food, medical care, environmental protection, and other industrial sectors of the management of the device to achieve temperature control, energy saving and program control, and to achieve a high temperature, energy saving, and program control. Realize temperature control, energy saving and program control automation.
Saturated steam temperature and pressure is relatively stable, the temperature is lower than 250 ℃, the working pressure is less than 6.4Mpa;
Superheated steam temperature and pressure change base is larger, the temperature can be up to 400 ℃ or more, the working pressure is less than 4.0Mpa
7, imported water solenoid valves
Imported solenoid valves for water, Water solenoid valves. solenoid valve, suitable for water or liquid as a working medium, automated control or remote control of water, oil, liquid and other working media pipeline on and off. As the valve uses rubber seal, so the cleanliness of the working medium is greatly reduced, with opening and closing speed, reliability and other characteristics. For example, VTON VTON imported high-pressure solenoid valve, suitable for water or liquid as a working medium, automated control or remote control of water, oil, liquid and other working media pipeline on and off.
8, imported gas solenoid valve
Imported gas solenoid valve, Gas solenoid valve, the main applications are as follows: and combustible gas leakage monitoring instruments connected. When the instrument detects combustible gas leakage, automatically and quickly close the main gas supply valve, cut off the supply of gas, and stop the occurrence of malicious accidents in a timely manner. For example, the imported gas solenoid valve of VTON is used to cut off the gas.
9, imported oil solenoid valve
Imported oil solenoid valve, Oil solenoid valve, is used to control oil, petroleum, crude oil, diesel fuel, hydraulic oil, thermal oil, lubricating oil, and other oil media to open and close the solenoid valve, generally brass or stainless steel, explosion-proof, high-pressure, high-temperature, corrosion resistance. For example, Weidun VTON's imported oil solenoid valve, due to lubricating oil, hydraulic oil, heat transfer oil, kerosene and other cut-off.
10, imported gas solenoid valve
Imported gas solenoid valve, Gas solenoid valve, is used to control a variety of gases such as: nitrogen, oxygen, hydrogen, helium, argon, carbon dioxide, methane, acetylene and other gases on and off the solenoid valve, generally need to be with the explosion-proof.
For example, VTON imported gas solenoid valve, for a variety of room temperature, high temperature, negative pressure, low pressure, high pressure occasions, the applicable fluid for steam, hot water, air, nitrogen and other gases pipeline; widely used in medical equipment, rubber and plastic machinery, clothing equipment, drying equipment, pharmaceuticals, refrigeration, HVAC, plating and painting, food and beverage, water supply, environmental protection, water treatment, and vacuum equipment and other industries. Industry.
11, imported with signal feedback solenoid valve
Imported with signal feedback solenoid valve (Solenoid valve with signal feedback) refers to the solenoid valve through the current signal feedback solenoid valve on and off. When the coil is energized, the moving iron core suction, so that the main valve plug due to differential pressure upward movement, open the main valve port, while driving the moving magnet away from the sensor; the sensor that is to the control center to output a 5 ~ 24V DC signal. And vice versa.
12, imported gas emergency cut off solenoid valve
Imported gas emergency cut off solenoid valve (Emergency gas cut off solenoid valve)? The solenoid valve is used in the petroleum gas, gas, gas, gas or natural gas pipeline system, solenoid valve is generally open, in case of emergency, can quickly shut down, cut off the gas and other media, so as not to cause accidents solenoid valve.
Applications: gas self-control, gas self-control, gas self-control, liquefied petroleum gas self-control, biogas self-control, gas equipment, acetaldehyde equipment, gas alarms and gas equipment, etc.