Explosion-proof solenoid valve

※ ISO228 / 1 standard, easy installation.
※ specialized O-ring, no need for the second lubrication
※ two position five-way can be directly converted into two position three-way
※ Manual switch, in situ testing when blackout
※ voltage can be customized.


    explosion-proof pneumatic solenoid valve to open or close the pneumatic valve. It conforms to the NAMUR connection standard and is installed directly at the actuator’s air supply interface. At the same time two position three-way, five-way ,two five, electric control and double electric control products are as options.
    ※ ISO228 / 1 standard, easy installation.
    ※ specialized O-ring, no need for the second lubrication
    ※ two position five-way can be directly converted into two position three-way
    ※ Manual switch, in situ testing when blackout
    ※ voltage can be customized.

    Interface ISO228/1  standard G41/4
    Environm temperature -20℃~+50℃
    media filtration(50mm lubrication or compressed air ,-20℃ dew point)
    Reversing time about 40ms
    Installation NAMUR standard,DI/VDE3845 double holes
    Standard voltage 24DC,24VAC50Hz,110VAC50Hz和220VAC50Hz
    Voltage deviation ±10% standard
    Power consumption Standard coil:ACPneumatic power 6VA,stable power 4.3VA((hot)DC2.6W(hot)3W(cold)
    Type of operation 100%ED(DB) continuous operation
    Level of Protection IP65 with DIN40050 proper installation adapter
    Electrical connection Pg9 connection
    Explosion-proof level Ex m II T4

    Pneumatic solenoid valve (2)

    Pneumatic solenoid valve-2


    What is pneumatic solenoid valve?

    A pneumatic solenoid valve is a type of mechanical device that is used to control the flow of a pressurized gas or fluid through its movement. It consists of an enclosure containing one or more ports, a plunger inside the enclosure, and an electric coil around it which acts as an actuator when turned on.

    When the coil is energized by electricity, it produces a magnetic field which moves the plunger within the enclosure and in turn opens/closes some ports to allow for either increasing or decreasing pressure within the system. Pneumatic solenoid valves are often used in industrial settings such as factories and chemical plants where highly precise control over air pressure is required. They can also be found in hydraulics engineering for controlling complex power systems such as automotive brakes and steering systems.

    Pneumatic solenoid valves offer numerous advantages including high reliability due to their simple design structure, accurate movement at low pressures, quick response time due to no friction between parts, increased product safety due to their resistance against corrosion caused by fluids typically found in industrial environments; plus noise reduction compared to other types of switches like relays or contactors since there are no moving parts that can generate excess sound.

    How is the working of 5/2 pneumatic valve?

    A 5/2 pneumatic valve is a type of control valve used in many industrial applications to regulate and control the flow of pressurized air. It is made up of two inputs, five outputs, and two positions. The first input is known as the pilot port and this port allows air pressure to enter into the working chamber or initiate an action when there is a change in pressure at the entry point. The second input is called the manual override which allows for manual operation of the valve if necessary.

    The five outputs are: exhaust port, normally closed (NC) port, normally open (NO) port, diverging (DV) port, and one common outlet connecting with both NC & NO ports depending on what position it functions in—either activated or deactivated mode respectively. When activated mode position “B” line indicates that internal valves are closed off while activating line “A” opens up passage between NC & NO thus allowing for flow of air from DV to common outlet; while at same time blocking off any flow through either NC or NO ports independently due to internal valve closure within 5/2 pneumatic valve itself. On other hand when deactivated mode position B line indicates that internal valves will open allowing free flow from DV-to-NO but blocking off any possible leakage around piston side walls which can occur if not properly adjusted or sealed during assembly process prior installation along with preventing accidental shifting of entire unit should be kept secured until needed adjustment needs made – especially key factor ensuring safety guidelines followed during maintenance procedures performed such devices .

    In summary a 5/2 pneumatic valve works by utilizing compressed air as main source power operating its various components allowing user flexibility setting particular operations parameters required exact application specifications determined beforehand either manually operated directly using simple knob controlling speed range associated its output(s).

    How is the working of 3/2 pneumatic valve?

    A 3/2 pneumatic valve is a type of valve that is used to control the flow of gases or fluids in a variety of applications. The 3/2 part of its name refers to how it functions, with three modes and two states. In this article, we’ll explain the working principles and components for a 3/2 pneumatic valve and provide examples of some common uses in industrial settings.

    To begin, let’s break down exactly what the “3/2” means. The first number (3) represents the operating states that are available when activated: Normally Closed (NC), Normally Open (NO), and Universal (UNI). The second number (2) indicates the number of possible binary output states when triggered: either open or closed. NC valves are designed so that they stay closed until energized, NO valves stay open until triggered, while UNI can be customized by adjusting an internal spool which allows flow through both sides simultaneously – allowing for more complex operations than just on-off functionality.

    What is the difference between 5 2 and 3 2 solenoid valves?

    The difference between 5 2 and 3 2 solenoid valves is primarily the number of ports and positions. A 5/2 valve has five ports which consist of two inlet ports, two exhaust ports, and one working port; while a 3/2 valve only has three which consists of one inlet port, one exhaust port, and one working port. The number before the slash indicates the number of ports used for controlling a single flow direction while the second indicates its ability to reverse or change flow directions.

    5/2 solenoid valves give you more control over flow compared to a 3/2 solenoid valve by allowing you to switch between two different directions with just one valve body. They are also extremely versatile since their multiple connections can be used for both input signals as well as output signals from within an automated system. Additionally, they provide more control points due to their higher number of positions (5). This makes them ideal for applications that require multiple motions such as opening a gate simultaneously from both sides or quickly changing from open-close cycle times where it must shift very rapidly on demand from either state.

    On the other hand, 3/2 solenoids are lower cost than 5/2 valves since they are less complex having just three positions instead five — in this case having fewer connections means they have fewer moving parts inside the body thus requiring less energy per operation and being generally easier to use given their simpler design features than those found on 5 way models which tend to be bulkier by comparison since they contain twice as many mechanical components inside them . Therefore it becomes clear why these types are preferred among users who need quick switching capabilities but at lesser costs than larger sized models offer since greater efficiency comes with reduced complexity when selecting appropriate size match according too specific application requirements each time!

    What are the explosion-proof levels of pneumatic solenoid valves?

    The explosion-proof levels of pneumatic solenoid valves depends on the type of environment they will be used in and how much potential for danger there is. Generally, these solenoid valves must meet certain criteria to be classified as “explosion proof”.

    The criteria includes having no areas that can accumulate combustible gases or vapors, ensuring that all components are constructed using materials not subject to ignition under normal conditions, controlling any flame paths through sealed enclosure pressure relief systems and having thick walls with sufficient rigidity.

    Different applications require different ratings and protection types which include: Type n Non-Sparking (NEMA 7), Types D Dust Ignition Proof Enclosure (NEMA 9), Types E/F Flameproof Enclosure (NEMA 10) and Type G Increased Safety (NEMA 11).

    In addition to meeting the criteria for a specific rating for environments where explosive atmospheres exist due to the presence of dusts and fibers, other considerations may apply such as corrosive atmosphere or temperatures below 0°C/32°F. In such cases special precautions are required when selecting materials including seals, O-rings, elastomers etc…