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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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Basic Solenoid Question

I have a super simple question about solenoids. If I wired this, a 120v solenoid valve, to a 3 prong male plug would this cheap chinese humidity controller be able to control it? My assumption is ...
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0answers
25 views

Power off detection circuit to close opened latching solenoid valve

The image above is referred from this SO link. My use case is the following: A latching solenoid valve, which would be run using 4 AA batteries (6V) Solenoid Valve (9 Ohm) operates at 6V under 40ms ...
2
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1answer
42 views

Can we apply a longer pulse to latching solenoid than its rating?

I've a 6-12V dc latching solenoid, which needs 60ms of pulse to set it to on/off. I'll be using a microcontroller to generate the pulse. I've following questions. What if the generated pulse is ...
2
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3answers
849 views

In which way proportional valves are controlled solely by current?

Proportional valves are drived by current because we need a steady force and since resistance changes with temperature if they were driven by voltage this force wouldn't be steady. Ok, this is what I ...
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4answers
102 views

Could someone explain dither signal?

I know that regarding proportional valves the dither signal is a signal superimposed on PWM command that actually moves the valve. It improves the response of the valve because the coefficient of ...
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1answer
46 views

switching air valve with Arduino Micro

Good people of stack. I am a programmer, but new to building my own electronics. I need to switch (3) 12v solenoid valves from the Arduino Micro. I see lots of chatter online, much that confused me ...
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2answers
51 views

Faucet valve control

I'm a mechanical engineer with very few knowledge in electrical so your help is very appreciated. I'm doing a small project which require to automatically the fill and empty a sink. How can I ...
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2answers
35 views

How to proportion hydraulic flow using potentiometer and MOSFET

I am working on solving a problem that we generally deal with in a mechanical fashion. We have a hydraulic system with a dumb controller and a dumb valve stack. We can change the valve stack solenoids ...
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0answers
34 views

Raspberry Pi + L293D to switch 12V solenoid valves

I am porting an Arduino project to Raspberry Pi. On the Arduino I switched two 12V solenoid Valves with the help of a L293D IC. It worked perfectly. Now I am porting this system to a Raspberry Pi. ...
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0answers
483 views

Wiring DIN connector with 3 wire DC solenoid valve

im buying [smc VQZ 212 5YZ1 C6] 3 port solenoid valve with 2 possible position(let say A and B). This solenoid work with 24VDC and have 3 pin/ wire. There is No 1, No 2 and GND pin. I will never ...
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1answer
91 views

Noninverting optocoupler with a pulldown resistor

I am using a power MOSFET to switch a solenoid valve. The MOSFET is driven with a optocoupler (LTV-847) to isolate the 12V required to switch the valve from the 3.3V used by the microcontroller. ...
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1answer
60 views

Auxiliary contacts on contactor to power solenoid valve

I'm just trying to introduce cold water in to industrial shredder. Connected cold water supply to machine. That's not good because when I forget to turn off water it will overflow. I have not seen ...
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2answers
60 views

24 VAC sprinkler valve using DC power

I am creating a circuit that includes a 24vac sprinkler solenoid. I need it to be portable so I'm planning on using DC current rather than AC. What is the best way to do this? If I just use straight ...
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0answers
53 views

Questions about a remote relay control application with a MOSFET

I need to control eight solenoid-valves for water drainage outdoors, remotely and simultaneously. The valves are normally closed (NC) type which I guess, in that context, means they open and let the ...
2
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3answers
270 views

Controlling Solenoid Valves with ULN2003A, Inrush Current, Arduino

I want to control a total of five solenoid valves with my Arduino. The solenoid walves operate at 12 volts and have a power consumption of 5 watts per solenoid valve, which equals a current of roughly ...
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2answers
92 views

Why there is a voltage drop while connect multiple 12 V or 24 V solenoid valve with a 24 V DC adapter

I am doing a water plant project. I need to control multiple solenoid valves with my micro controller circuit using relays. When I connect more than 4 solenoid valves (12 V) with a 15 V adapter it ...
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1answer
49 views

CKD solenoid burns on first trigger

I am trying to use a solenoid valve in order to switch on tap water using a switch on the live supply to the solenoid, but every time I switch on the first time, the solenoid activates and burns ...
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2answers
93 views

Is there a continuous duty electric valve available? [closed]

I was searching and surprisingly unable to find a simple continuous duty electric water valve? Below is my requirement. We get water from government. They release water only every 6th day., for few ...
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1answer
179 views

Controlling a 24VAC solenoid with arduino

I'm trying to come up with a design for controlling a 24VAC water valve with an arduino. My current design : I want to use a BT1308W TRIAC controlled by an arduino pin to activate the vale, I'm also ...
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1answer
481 views

How to modulate solenoid current driver with PWM?

I'm trying to pilot solenoid valves in a hydraulic circuit. I have two types of solenoids, one which support 2.4 A and another 1.8 A. I pilot the valves opening using 120 Hz pwm and this driver. It'...
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1answer
258 views

How do I use a hit and hold circuit with a solenoid?

Solenoids burn power when turned on and get hot, what is a way I can reduce the power while keeping the coil actuated?
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1answer
36 views

solenoid control valve

What is the purpose of the diode in the solenoid controlled valve circuit? (From what I read, without the diode, the MOSFET will break down but I don't know why)
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1answer
84 views

Solenoid Control Valve Design

Design a solenoid controlled valve. The solenoid has a coil resistance of 280 Ohms. Although the coil is rated for 12-14V, it will reliably open the valve with 11.0 V applied and will keep the valve ...
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2answers
238 views

Driving solenoid valve using LM358 as comparator and ULN2003

I'm trying to drive a 12V DC solenoid Valve with following diagram. In 1st block the PC input is compared with 2.2V and its output goes to block2 and ULN2003 for driving the valve. The 2nd block is a ...
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1answer
43 views

Solenoid valve part

Noob question, what is the pink one in the solenoid? Can it be bought separately? thanks
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1answer
43 views

Solenoid switch controller

I’m currently in the process of automating my orchard. I have a string of 87 irrigation solenoid valves, 24v 60hz, holding amps is 200 mA. I would like to connect them in series and use a single ...
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1answer
76 views

Power loss in an equally distributed parallel solenoid circuit

I have 12 solenoids (12v rated) connected in parallel to two Darlington arrays (ULN2803A). Each solenoid has 88-ohm impedance. The power supply can provide a stable 12V with up to 2A current draw. (...
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2answers
88 views

Relay controlling another relay - surge noise?

I'm working on a project that uses Arduino Nano to control 1A relays, which in turn control electrical solenoids in a car. This is for controlling the HVAC air flows in a dash, so my challenge is to ...
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1answer
330 views

Sprinkler system - long wires or long pipes?

I am in the process of installing a sprinkler system using a commercial controller. There is quite an extensive area to be covered, and I am wondering whether, for the further-away sections, it would ...
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0answers
126 views

How to dissipate energy/heat in solenoid valve + flyback diode circuit

A simple device that I didn't make uses solenoid valves (driven by relays) and I have to deal with the EM spikes they generate when turning off as this interferes with other equipment in my lab. The ...
9
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5answers
3k views

Does a solenoid valve allow continuous run-time for very long durations?

I have a bunch of A4F010-06-BS-DC24V solenoid relays. Can I use them on a continuous duty-cycle like certain relays or are they meant to be used only for certain duration at a time? I'm worried ...
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1answer
131 views

Mosfet Matrix using Arduino

I'm working on a project to wire up a pipe organ's windchest using an Arduino as the backing system. I'm looking to wire up about 400 outputs worth of solenoids that draw about 100mA of current at ...
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0answers
53 views

How to limit current of 12vDC 1amp current to 12vDC 500ma for a solenoid valve? [duplicate]

Project-Touchless tap using Arduino Uno Want to power:- (1)Arduino Uno with IR obstacle sensor (2)a relay board (3)solenoid valve with a 12v 1amp DC adapter. Power requirement for solenoid ...
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1answer
70 views

Can't find circuit example for a solenoid valve 2W025-08

I recently bought this solenoid valve for an Arduino project where I need to flow liquid between 50 and 100 degrees Celsius. I didn't find a circuit example or a technical sheet specific to this ...
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2answers
781 views

Solenoid valve FET

I would like to drive a proportional solenoid valve (PVQ31 24V model from SMC) using a high frequency PWM. I followed Olin Lathrop's advice to open a new topic. He suggested to build a circuit ...
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2answers
225 views

Solenoid Valve will not open

I've been working on a Wifi gardening project that allows me to water plants from anywhere I want. Of course, this means I need to use a water valve and a MOSFET to control it. The MOSFET feeds power ...
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2answers
115 views

Switching between 240 VAC and a DC power supply using a 5V TTL pulse [closed]

So I have a 240 VAC (single-phase) mains source, and I'd like to design a circuit that switches between that and a DC power supply upon receiving a 5 V TTL signal from a delay box. Basically this ...
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1answer
89 views

Solution for solenoid valve with can give flow without power? or any other alternative way of it?

I want to use a Solenoid valve for my project, the valve will be used for water in which is facing one problem if there is no power, how can we get water from the valve, I don't want to add any kind ...
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0answers
98 views

How to use an Arduino in order to control fluids in measured amounts?

I am new to the Arduino Platform and the Electronics world. I am currently working on a project which requires accurate fluid controls. By Fluid Control, I mean, pumping a fluid, eg. water, in certain ...
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0answers
192 views

Saab Connector 4114419

I am trying to test my software for an electromagnetic valve. I have a power electronics set up for the valve which consists of an female part of a SAB connector 4114419. For the test set up I am to ...
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1answer
220 views

Water Solenoid Valve 12 DC vs 220 AC

I want to buy some solenoid valves for watering system and attach it to Raspberry. I have choice of Solenoid valve with 12DC and 220AC. Is there any difference between them? I mean, maybe 220AC valve ...
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0answers
469 views

How to Reduce Current in Solenoid Coil

First time poster and electrical newbie here. First off I just want to thank everyone for helping create such a great and helpful forum! I've been lurking for years and have learned a lot here! I ...
2
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1answer
532 views

adapter between thicker and thinner AWG wires [closed]

I'd like to connect two different AWG wires, sizes 18 and 24. Preferably made specifically for outdoors underground usage. More to the facts, the 24 AWG is part of a 8-wire CAT 5E cable that I need ...
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1answer
46 views

Solenoid valve backup

I am designing a Scissor lifter and I am operating my hydraulics using solenoid valve but I want my system to be ready for every possibility so what should be the backup system if my solenoid valve ...
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2answers
234 views

Solenoid Operation for Hours

My boiler is connected to a sun-water-heating system. After the sun goes down this system start to draw heat from my boiler. Today I'm manually closing the valve connecting my boiler to the system. ...
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2answers
620 views

Arduino + 6V Solenoid Valve

I'm wanting to control a 6V Solenoid valve from an Arduino using only a single power supply. To do this I was planning to use an external 9V power supply. There are a few issues I am not quite sure ...
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1answer
72 views

Hydraulic controller turn off delay

I am building a controller for a snow plow and have run into one small problem with valve operation. The controller uses multiple contacts switched by one handle. In operation the switch closes two ...
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3answers
1k views

Can we use 220V/60Hz Solenoid on 220V/50Hz supply?

Does anyone have experience of using 50Hz 220VAC for solenoid valve specified for 220VAC/60Hz ? It definetely will work, however is it safe/reliable in the long term? The model of solenoid is ASCO 307 ...
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4answers
3k views

Resistor in series with Solenoid Valve (for voltage reduction)

I have a question regards the use of a resistor in series with a latching solenoid valve. Specifically, I have a valve that wants to see 14 Volts, but my power supply is 28 Volts. So if I put a ...
3
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2answers
674 views

High side regulation of current for proportional valve

I'm working with a circuit which is regulating the current over a generic, proportional solenoid valve (L1 in the schematic below). The characteristics of the valve coil is unknown/will vary and the ...