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Can someone tell me what this is?

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Can someone tell me what this is?

Unread postAuthor: Molybdenum » Mon Jul 06, 2009 3:42 pm

I've had this thing sitting around for a very long time and have been unable to figure out what it is, what it does, or how it works. I hope someone here can help me.
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This apears to be the company name: "NUPRO".
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Unread postAuthor: POLAND_SPUD » Mon Jul 06, 2009 4:02 pm

my guess it's a HP pneumatic activated valve
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Unread postAuthor: jimmy101 » Mon Jul 06, 2009 4:08 pm

Anti-siphon valve or a vacuum breaker?

It would be to bad if that is all it is, seems a bit over engineered if that's all it is.

Second guess would ba a pressure (or vacuum) activated valve. Blow (or suck) on the top fitting in the midle photo and the flow is turned on/off between the bottom two fittings?
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Unread postAuthor: Molybdenum » Mon Jul 06, 2009 4:09 pm

So the two larger outlets are the in/out and the smaller one is for pilot pressure maybe?
I've tried blowing into all three ports without result, so im guessing if it is a valve, its closed.
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Unread postAuthor: Ragnarok » Mon Jul 06, 2009 4:35 pm

Looks like Poland Spud is on the money. My guess is a positive acting pneumatic activated valve - a normally closed one, by the NC marking on the case.

Unfortunately I can't read the rest of the markings clearly enough to know exactly what they say. If asking for identification of anything, you really need to show these clearly. Try using the Macro setting on your camera (looks like a flower on most cameras)

EDIT: Computer enhancement suggests the BK series, which doesn't really make sense, because the BK series is manually activated - perhaps it's been modified with a pneumatic actuator.
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Unread postAuthor: jrrdw » Mon Jul 06, 2009 4:47 pm

Pnuematic or fluid valve all the way. Take the screws out of the round end and see if it has a diaphram or a piston type plunger with o-rings. Styled after a spool valve.
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Unread postAuthor: Ragnarok » Mon Jul 06, 2009 4:54 pm

jrrdw wrote:Take the screws out of the round end and see if it has a diaphram or a piston type plunger with o-rings.

I tend to work on the principle of not taking something apart and risk finding out what it was until you've exhausted searches of part codes.

Clear photo or transcription of that part number please.
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Unread postAuthor: jrrdw » Mon Jul 06, 2009 5:13 pm

I tend to work on the principle of not taking something apart and risk finding out what it was until you've exhausted searches of part codes.



There's were you and I differ, when I put things back together they still work. :wink:

Here, find it if you want, there are 5,000 + to choose from.

http://www.swagelok.com/search/find_products_home.aspx?SEARCH=/search/Valves/id-10000018/type-1/rmid-10000270+10002380
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Unread postAuthor: Ragnarok » Mon Jul 06, 2009 5:34 pm

What I take apart almost invariably goes back together again (or at least it does these days...), but even so, I don't risk damaging things unless I'm forced to.
Parts can be lost, seals can be damaged, etc... Many a part has been opened only to leak for the rest of time.

Sure, it's a way of finding out, but let's try the method with no risk of damage first - and with a part number, that shouldn't be hard.
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Unread postAuthor: jimmy101 » Mon Jul 06, 2009 7:52 pm

Ragnarok wrote:Parts can be lost, seals can be damaged, etc... Many a part has been opened only to leak for the rest of time.

... and the every popular ... sproing ... crap there went a spring.

The chances of finding a spring that has flown across my shop is ... about the same as soon-to-be-ex governor Palin sticking with a single job/school for more than a couple years.
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Unread postAuthor: Ragnarok » Tue Jul 07, 2009 4:56 am

Unfortunately yes. One of the other tricks is getting it all put back together and finding a part that you're not sure what it is...

... where the frak did this screw come from?
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Unread postAuthor: Insomniac » Tue Jul 07, 2009 7:08 am

Less annoying than lost springs though infinitely more frustrating are those mechanisms that have fiddly, spring loaded parts that can only be put back together when held a specific way and then manuvoured into place in a certain way. Oh and if you stuff up at any point the whole thing flys apart and you have to start all over.
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Unread postAuthor: Molybdenum » Tue Jul 07, 2009 11:37 am

part no SS-4Bk, 91NC is written on the oposite side of the square thing as the NUPRO logo. Also, there are no screws on the round end, those two holes are just holes.
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Unread postAuthor: Willdebeers » Tue Jul 07, 2009 1:05 pm

It looks like a check valve on the bottom, can't tell what it is on the top, can you unscrew the two components?

WDB
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Unread postAuthor: Gippeto » Tue Jul 07, 2009 1:32 pm

It is an actuated valve.

Pdf sheet;

http://www.swagelok.com/downloads/webca ... -01-22.PDF

The valve has a cv of .30 and a pressure rating of 150psi. (Pg 8 )
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