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Citroen solenoid valve max pressure?

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Citroen solenoid valve max pressure?

Unread postAuthor: ozoncqp » Tue Apr 07, 2009 5:21 pm

Ok been browsing for a few hours now, and still no result. Got tired and choose the easy way.

I know that atleast Citroen C3 got a solenoid 3way valve to operate the bov and whatever it's called :P
My question is what is the maximum pressure to this little thing? They're fairly cheap and could work on a triggered meter system right?
I cant find a picture of it atm. I'll upload one as soon as I find it, seen it somewhere.
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Unread postAuthor: Brian the brain » Tue Apr 07, 2009 5:25 pm

That would be the first time anyone would use a car-solenoid...


I think you might be on your own with this.
You'll have to either hydrotest it, or judge it by thickness and material.
If it's rated it wil probably be to a low pressure like 100 psi.
If it's steel your generally okay to ignore that rating somewhat.

What pressure do you you intend to use?
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Unread postAuthor: King_TaTer » Tue Apr 07, 2009 6:06 pm

That's interesting ozoncqp. I'm guessing your talking about a metering system for a combustion? If so you'd probably be OK if it's rated or not. Just make sure your meter is of sizable volume in order for it to be regulated to a low pressure. Give us more information on your plans for this valve, we'd be able to help you more.
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Unread postAuthor: ozoncqp » Wed Apr 08, 2009 2:20 am

It's for a metered propane system like Sgort uses on the blueflame III
But using a solenoid it could be adapted into a handle or something similar.

I know that some of them are use for a quick tuneup on turbo engines, simply add one of these for a faster blow off'ish. And some performance cars would run at 2-3bar. If the citroen could handle this pressure I don't know.
But making the "Meter" for 1x or 2x should be doable with a valve like this. And one could ofcause just increase the meter size.
If my understanding of the meter is correct it goes.
100ml meter.
14.5psi fills 100ml *
29psi fills 200ml
If you stay low on the pressure side of the meter it should work really, atleast most turbo engines should be able to toss out somewhere between 1-2.5bar on N/A parts.

If one uses a handle near the injection fitting on the tank. This valve would be relatively easy to install in that handle allowing for even cleaner builds. When you know how log it has to be open, it could be modded to the 555/556 chip. With fancontroll/injection cycles.

Pros:
Small
3/2 ports
Solenoid
12 volt

Cons:
Might not be able to handle more than 2 bar



*(14.5 psi= 1 bar)

Image
It would look something like this I guess.

These are used on opel vectras and the picaso I recon.
The holes arent that big but shold be ok to move gasses.

**edit picture added**
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Unread postAuthor: SPG » Wed Apr 08, 2009 8:50 am

I'm teaching English at Citroen tomorrow so if you can dig out a part number I'll ask a few of my students if they can find out pressure ratings on this thing.

Given what you've said though about the type of pressure you'd expect in the system I reckon you could fairly confidently expect to double that without any failures. I know companies often do things on the cheap but they wouldn't want to use something where the operating pressure was close to the maximum pressure for want of undue faults, dissatisfied customers and possible warranty claims. Yes, that's only applying logic not physics, but it kinda makes sense, doesn't it?
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Unread postAuthor: ozoncqp » Wed Apr 08, 2009 11:06 am

From what I can dig out it's called

1628 V3

But if thats a global number i don't know.
Would be awesome if you could find any info on it.
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Unread postAuthor: ramses » Wed Apr 08, 2009 12:25 pm

ozoncqp wrote: When you know how log it has to be open, it could be modded to the 555/556 chip. With fancontroll/injection cycles.


It is 3 way, so It would work fine as long as it was held open long enough (less than a second). Holding open longer would have no negative effect. Although by controlling the open time, hybrids could be fueled, with one port of the valve plugged/capped.

with a high pressure rating, a automatic hybrid could be constructed without pre-mixing the fuel and air.

can you think of an online store that would ship one or two of these to the US (even though electronic control is cheating)
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Unread postAuthor: POLAND_SPUD » Wed Apr 08, 2009 1:43 pm

hmmm you know in poland there are lots of cheap industrial spoolvalves on ebay and allegro.pl some of them can be bought for as little as ~5$

spend some time browsing ebay I am sure there must be some good offers


ohh and BTW electronic control is not cheating... a good gun with some electronics is better than an inefficient and weak fully-pneumatic one
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Unread postAuthor: King_TaTer » Wed Apr 08, 2009 2:07 pm

Good to hear that someone else admires gort's 3 way meter setup. I too wanted to do that but didn't have the time to look around for one of those valves. I may try it sometime in the future. I'm looking forward to see your setup as well.
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Unread postAuthor: ozoncqp » Wed Apr 08, 2009 3:07 pm

well it is a spare part that can be bought at citroen and its the cheapest I've come around.
I don't really trust ebay tbh, and I will prolly end up with a 5dollar valve and 10dollar shipping. I might as well drive to the citroen dealer and get a guarantee on the thing as well :P

I will scout Ebay and see if theres anything interesting maybe some 5-10bar 3/2 soleniods.
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Unread postAuthor: SPG » Thu Apr 09, 2009 4:32 am

I've just asked and they'll have a dig round in the tech specs for us, and either mail me or tell me when I next see them (Tuesday) hope you can wait.

Brian made a comment about plastics and steel which I just wanted to follow up on. I've got a bicycle track pump it's rated to 12 bar (about 176 psi) and when you look at it it's a piece of steel with plastic end caps. The foot end has a moulded in pressure guage. So I'm fairly sure that correctly moulded plastics are very capable of coping with high pressures. After all plenty of CO2 tyre inflators are made largely of plastics.
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Unread postAuthor: ozoncqp » Thu Apr 09, 2009 6:35 am

Super SPG very much appriciated, Yah whenever really. Im about to take pictures of my parts now and to glue up most of it.
I'm not really in a hurry.
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