Solenoid workings

[Nick potts]

Back with another likey rather obvious question.

I was just taking apart an old reg that I won't be using, planning on using the solenoid that was attached to it, but from looking at it now it's unattached I can't see how it works. I know I am missing something very simple here, but I excel at that

Worth reusing? Or was this designed to be used with this reg (seems unlikely given it's a very cheap one)

Thanks

Pics

Top that was attached to reg

Bottom

Full

Reg where it was attached

 

[Kevin Eades]

It's designed to work all together the solenoid moves allowing the gas to travel between the two holes I guess. When off the piston blocks the centre hole so no gas flow

 

[dcurzon]

when the solenoid is 'on' and electromagnet pulls the piece with a spring on it back into the body, allowing gas to go through the holes. When it is 'off' the magnet is off, and the spring returns it to block off.

 

[Nick potts]

It's designed to work all together the solenoid moves allowing the gas to travel between the two holes I guess. When off the piston blocks the centre hole so no gas flow

when the solenoid is 'on' and electromagnet pulls the piece with a spring on it back into the body, allowing gas to go through the holes. When it is 'off' the magnet is off, and the spring returns it to block off.

Thank you both.

I understand how it is supposed to work (kind of) , Just not how this one is stopping the gas.

As you can see from the pic below, the gas enters from behind and then left to the needle valve, I don't see how just blocking that centre hole ( it doesn't cover the second hole) would stop gas flow.

I thought at first it might have pushed something up through the hole to cut the gas but no.

 

[zozo]

When you unscrew the nut from the bottom picture you can slide of the case... Then you pull out a metal cylinder with a magnetized springloaded plunger in it, attached to the valve... In the casing is a coil, when the relay comes On the coil gets power and magnetizes the valve, and it's pulled up/down and opening the valve. And visa versa, if the power cuts Off the plunger is demagnetized and valve closes under the spring load. No power no gas...

 

[X3NiTH]

I think you need to source new connecting hardware to repurpose the solenoid to just run it inline, the connectors look like they only work with that bottle regulator and that manifold. The bottle pressure and needle valve gauges all come off that manifold so there will be one way plumbing inside that manifold and the spiral channel connector on the solenoid looks like part of this mechanism. It’s not quite a straightforward solenoid in its current configuration.

 

[X3NiTH]

What you have there is a 3-way solenoid valve.

Different Types of 3-Way Valves | Solenoid Solutions, Inc.

There are four common types of 3-way solenoid valves, each of which contain different parts that all play a vital role in the function of the valve.

www.solenoidsolutionsinc.com

 

[Nick potts]

I think you need to source new connecting hardware to repurpose the solenoid to just run it inline, the connectors look like they only work with that bottle regulator and that manifold. The bottle pressure and needle valve gauges all come off that manifold so there will be one way plumbing inside that manifold and the spiral channel connector on the solenoid looks like part of this mechanism. It’s not quite a straightforward solenoid in its current configuration.

What you have there is a 3-way solenoid valve.

Different Types of 3-Way Valves | Solenoid Solutions, Inc.

There are four common types of 3-way solenoid valves, each of which contain different parts that all play a vital role in the function of the valve.

www.solenoidsolutionsinc.com

Thanks X3NiTH, i think i will just buy a new one as you say, bit to much fiddling for the price of them

 

[X3NiTH]

Yeah they’re not that expensive, I tried a quick look for the bits you needed but trying to find them separately from being attached to a solenoid was tricky and I noped out!