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Jeavons and IGA Natural gas regulatorsHelpful Member! 

Gasdealer (Mechanical) (OP)
14 May 07 12:50
am working in a presentation for the technician in my company for jeavons J125 S5 ,IGA and Dresser regulators
and the main idea is to teach them the theory of operation, and how to set it.
so i tried to check each company website but i coudlt find any theory of operation, the most helpful one was jeavons but not as i wanted.
if anyone could help me with data, and the best thing will be drawings or learning movie which show how spring and diaphrams work
Helpful Member!  BigInch (Petroleum)
23 May 07 8:56
I might be able to help you out a bit.  What kind of pressure regulator do you want?

BigInch (Petroleum)
24 May 07 4:13
Dont look too closely at this one, its working backwards.

Gasdealer (Mechanical) (OP)
24 May 07 8:37
i want some animation for Jeavons J125 S5
and IGA axial flow regulator with it's pilot and restrictor
BigInch (Petroleum)
24 May 07 9:54
Do you have a url for them?

Gasdealer (Mechanical) (OP)
24 May 07 11:03
Here is the site of jeavons :
BigInch (Petroleum)
24 May 07 12:16
I found the J 125 S5 you're talking about here,

I got the manual off of that page.  No problem.

The IG axial here,
doesn't show much, only the exploded view internals and no pilot connection details.  

OK either send the IGA manual to my e-mail (see my webpages/contacts section) or if you can't access that [some companies have msn.spaces blocked] can you manage to upload the IGA axial manual to and then just post the link to the download right here in this thread.

You do know that you're going to owe me a StrongBow or two,... right?

Gasdealer (Mechanical) (OP)
24 May 07 13:52
i did upload it at
and you can have infinity StrongBow :))
are you into natural gas regulators?
BigInch (Petroleum)
24 May 07 14:32

Its not animating here, but if you download this copy, I think it should work in IExplorer with just a doubleclick on the file.  Let me know if it starts up.  It still needs a bit of work, but not bad so far... I think.

Got the axial file.  I'll have a look... tomorrow.

Gasdealer (Mechanical) (OP)
24 May 07 16:24
yes it's very nice, can it show how relief and slam shut will work?

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