Questions tagged [solenoid-valve]

A solenoid valve is an electromechanically operated valve, which is controlled by an electric current through a solenoid.

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Solenoid driver schematic

Here is a circuit I'm working on. Its purpose is to accept a PWM signal (PID control) and drive a small solenoid valve that consumes ~200 mA at 12V. I have some questions I would love to get a second ...
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39 views

Solenoid valve on 24V powered with 12V?

I am having the follow solenoid valves : 2W-320-32, which is marked to work on 24V, but seems like they open on 12V as well, so I am wondering : What would happen in long terms if I am powering ...
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81 views

Simple ESP32 driver for solenoid valve rated 24V/2A?

( As an extension to the question asked here ESP32 driving Solenoid requiring 2A/24V DC with IRF520? , I am adding this question with the idea to help more peoples with the results, since seems like ...
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1answer
55 views

ESP32 driving Solenoid requiring 2A/24V DC with IRF520?

I am trying to design a circuit, which will drive my home valves which is on 24V and by specifications must supply 2A ( but this is quite suspicious, and probably it is requiring much lower current, ...
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39 views

Replacing fried relay for solenoid valve

I have a sink faucet that operates with a capacitive sensor, if I touch anywhere on the sink it turns the water on, or off. After around a minute it automatically turns off if left on. The sensor ...
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2answers
86 views

Flyback diode placement for solenoid valve simulation circuit

I am working on a project where I want to fake the presence of a solenoid valve in a control unit on a car so that the control unit does not give an error message. The output of the control unit is a ...
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52 views

Controlling 32 solenoid valves from a single BeagleBone Black

I am trying to control 32 solenoid valves from a single BeagleBone Black. My EE skills are not up to par for this task, but I am learning. In this system, at most one solenoid will be active at any ...
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How close should the diode be to a solenoid?

When using a diode to deal with the back EMF from a solenoid, common advice is to put the diode as close to the solenoid as possible. Indeed, in pinball machines, I've seen diodes soldered directly ...
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71 views

is a water inlet valve water resistive by design? [closed]

I cleaned a leaky washing machine water inlet valve with wd-40, pressurized water, pressrized air, drain opener(caustic soda+ sodium chloride), vinegar and alcohol and gave it a massage gun session ...
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1answer
51 views

How to select the right details for activating solenoid valve

I'm working on a smart watering system as a home project. I have a water output in my balcony (a tap) and I want to control the water flow using an Arduino Uno and a solenoid valve. I still don't have ...
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103 views

How to design a solenoid.?

I want to design a DC solenoid valve that could compress a spring under 5 kg of load. All I know is the voltage (12V), load (5kg), the current range (15-20), and the cross-sectional area of the ...
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4answers
48 views

What device can I use to parallel 4 dry contact signals from 4 timer relays

What device can I use to multiplex 4 dry contact signals from 4 timer relays to actuate an isolation valve? In other words, any of the signals from the timer relay should be able to actuate the ...
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0answers
34 views

Acoustic noise from EMI filter

I am using this proportional valve driving circuit: The valve is 24V, 2W, driven with a 2kHz PWM. I hear an acoustic noise coming from the EMI-Filters L49, L77. I know that the noise is coming from ...
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1answer
63 views

Controlling Valve Actuators with PWM signal

I want to control ME-4340 Syncube Non Spring Return Modulating Valve Actuator - 0/2-10Vdc ME-4340 with an STM32. The Timer configurated as PWM generator of the STM32L073RZTx gives 3.3V at 100% So I ...
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2answers
39 views

Lowest power circuit to control low current 240v circuit

I'm trying to control 6 normally-closed 230v valves using a raspberry pi. These valves draw little current when energised (1W) but do have a maximum inrush current of 550mA. Normally this would be ...
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1answer
57 views

Wiring 24V Soleniod valve

I'm having an issue with connecting the industrial pneumatic valve with 2 coils to relays. EDIT: I have connected it like this in the scheme below. Coils are connected to NO port on the relay, ...
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38 views

Control flow rate of a solenoid valve using PWM

I'm hoping to control the flow of chemical by shutting a solenoid valve periodically over short intervals, similar to this video: https://youtu.be/O49mqn33vBI?t=6 Does anyone know if conventional ...
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1answer
57 views

Appropriate solenoid valve flyback diode

I control a 24V solenoid valve via PWM controlled MOSFET. I have a 1N4007 diode parallel to the solenoid. If I put a 2.2uF electrolytic capacitor directly next to the solenoid it works properly, ...
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1answer
122 views

Is a flyback diode necessary with a relay module for operating a Solenoid valve?

Assuming I have a relay module (I'm not sure about its features) that is connected to a 12 V DC solenoid valve and should be operated by a microcontroller. Do I need a flyback diode connected with ...
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1answer
105 views

Converting an electrical schematic into a physical panel layout

I'm an undergrad researching physics, my job has been to make this electrical schematic, can I get some help figuring out the physical layout? I've basically self-taught myself enough of solidworks ...
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28 views

Valve driver specifications

I need to control a NSF/ODE JM R1 2/2 valve. Here the datasheet (Gofile link). I cannot understand the electrical requirements. It says: Power: 5W DC Running power: 10 VA AC Startup power: 15 VA AC ...
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3answers
111 views

Selfmade hand sanitizer? [closed]

I want to build a hand sanitizer on my own. Like these, you can buy for enormous prices. I need a proximity sensor (like the ones, which use infrared to check if someone is there). And I need a small (...
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2answers
346 views

What battery do I use to power solenoid?

Hello I’m quite new to electrical work and I’m trying to open and close a solenoid valve with a battery. I have bought these tiny 23a 12v battery. The solenoid says it needs 12v dc. I have no idea why ...
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1answer
535 views

How to power solenoid valve?

I'm pretty new to electrical work in general and was wondering how I would open and close a solenoid valve. It says on the specifications that it needs 12 VDC. Do I just take a 12 volt battery and put ...
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3answers
132 views

Relays turning on randomly when 24VAC sprinkler solenoid valve is shut off

tl;dr: I'm having a problem with 8-relay module boards that control sprinkler solenoid valves. When 24VAC is present, sometimes turning a relay off causes other relays to randomly turn on. Long ...
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163 views

Controlling a AC valve solenoid using a SSR relay

I have a micro controller based irrigation controller which should control solenoid valves. The solenoid is 24V AC type, with 25 Ohm resistance. I am considering to use some triac based SSR to switch ...
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2answers
33 views

Normally Closed, 24V DC, 1/4 NPT Female, 1.4 Cv solenoid valve power supply

I have a solenoid valve of Normally Closed, 24V DC, 1/4 NPT Female, 1.4 Cv, 500mA max current drawn. Can somebody verify the power supply requirement. would this be an ideal power supply unit for the ...
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2answers
226 views

Can I extend the life of a solenoid by reducing its supply voltage?

Say that I have a 12VDC 2A rated solenoid, but I test the lowest voltage that my solenoid operates reliably for my specific application. Could I just operate the solenoid at this lower voltage to ...
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1answer
36 views

Raspberry Pi, SSR, Solenoid Valve Power (Multiplexing?)

Background I have a RaspberryPi-controlled irrigation sprinkler system that I am working on. I would like the RaspberryPi and the Solenoid Valve (when the Solid State Relay is closed) to pull power ...
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128 views

How do I prevent my BMS from tripping when solenoid is connected?

I am working on a project that is effectively just a battery powered reticulation system. It is charged through a solar array and cheap MPPT charger, which connects into the battery via the BMS. The ...
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1answer
107 views

How to control proportional valve (pvq13-5l-03-m5-a) with arduino

I would like to know how to control this specific proportional valve with arduino. The valve operates with a constant 12V and driven by current of a range of 0-170mA. Could you help me with what ...
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129 views

How much current can a tin solder track handle?

I'm working on a DIY project where I need to control some 9V solenoid valves with an Arduino. I don't have the tools to make a PCB myself, so I chose to work on perfboards. Now, I have to connect ...
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1answer
154 views

How does a washing machine intake solenoid valve control flow rate? [closed]

Our washing machine, an AEG L69480VFL ( seen here ) has a pair of solenoid valves on its water intake looking like this: (One controls the flow to a tube running to a detergent compartment, the ...
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2answers
374 views

How does my breadboard circuit diagram look? Is my circuit going to explode?

I'm working on my first Arduino project and I thought I picked something simple enough. But before I set my breadboard on fire or ruin any of my components, I wanted to make sure my plan made since ...
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1answer
131 views

Connecting Solenoid valve in the emitter of the transistor

We are working on a circuit in which we are controlling two way solenoid valve (24V, 10W). We are using 3.3V based controller. The solenoid valve is connected to the controller via TIP 122 (NPN ...
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1answer
135 views

How to use a sprinkler valve in multiple zones?

I am currently setting up an outside irrigation system. When I built the system, I thought the irrigation controller would allow me to power multiple zones at the same time, and that each valve - ...
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3answers
128 views

How to reduce 46v to 24v for a solenoid valve

I seem to have bought the wrong solenoid valve. It takes 24v (I assume AC), and I just tested the supply and it is 46vac. The valve obviously works at that voltage, but it sometimes makes a loud ...
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1answer
459 views

Circuit to control 24VAC OR 24VDC solenoids

Is there a circuit out there that could control both 24VDC or 24VAC solenoids from a 24VDC power supply? I am working on a sprinkler control board that I would like to be able to use both on. The ...
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1answer
91 views

What size capacitor do I need to reliably close a 1" US Solid motorized ball valve?

I am making a water feature that will involve a stream fed by the basin of a fountain with a pump at the end sending water back into the fountain. To control the water flow rate through the stream and ...
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1answer
258 views

Simple BiPAP Controller: low-pressure + high-flow, wacky thought experiment(with ascii art)

First off, I'd like to say thanks to Spehro Pefhany for his informative answer about safety guidelines. At this point I can't remember if i actually intended to try and build a ventilator, although at ...
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1answer
65 views

Button press on espresso machine suddenly activates wrong solenoid

I am trying my hand at fixing a La Cimbali M28 Select, which is a professional espresso machine. The remaining issue is that, when I press the 'hot water dispenser button' it does not dispense hot ...
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1answer
29 views

How do I pick a suitable SMD mosfet to control a 24V pneumatic valve with PIC32?

I need to control a valve (https://datasheet.octopart.com/VXZ242FGA-SMC-datasheet-110849414.pdf) of which I do not know its power consumption and drawn current. I don't have the part yet and usually ...
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2answers
63 views

Trigger solenoid valve based on resistance

I have a KUS SSS Water level sensor for my RV that I would like to have trigger a NO 12v solenoid valve to turn off when my tank has reached full (and ideally also sound a little piezo). The sensor ...
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1answer
194 views

How to use solenoid valve with vacuum pump

I am a software developer working on small pick and place machine. I have bought mini vacuum pump and one solenoid valve. I want to control vacuum pump suction through solenoid so that when from ...
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2answers
439 views

Powering a solenoid valve with a relay and no external power source

I have a solenoid valve (12VDC, 540mA) that I would like to control with a 12VDC relay (15A SPDT). Is it possible to power the solenoid without an external power source seperate from the one powering ...
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46 views

How does Solenoid works? How do I calculate its output power? [duplicate]

Here is a solenoid valve. It is a normally closed, which is mean, it is normally closed the valve. Vice versa, there is also normally open, which is mean, it is normally open the valve until it ...
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1answer
24 views

Can I use solid state output and relay output with the same components?

So I have a OTB1E0DM9LP Schinder Electric I/O distributed module and I want use it'output to control some 24v electro-valve's and some 24V contactors. The module have 2 Solid-state outputs of 24V 0....
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1answer
64 views

Why is this solenoid valve consuming so much power?

The circuit below drivers a pump and a valve, the pump works fine, the valve consumes much more current than I'd expect. The valve is rated 2W at 12V (600mA) i'm more like 15W. The PUMP_DRIVE signal ...
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1answer
183 views

3-way solenoid valve gets hot

I have this Bosch 3-way valve that I use in a hydronic system. If I run 12V to energize the valve, it gets very HOT! Is that normal with such valves?
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2k views

How to trigger a latch solenoid valve from an Arduino?

I received a sample latching solenoid valve: https://www.alibaba.com/product-detail/Top-Quality-Dc-5V-Latching-Solenoid_60415603817.html I want to control it using an Arduino Pro Mini, running a 5V. ...