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3mm shut off valve - 11/15/2012 2:46 AM   
raptor30se


 

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Status: offline 		The P20 feeds are 3mm lines, jetcat sent 4mm shutoff valves, is there any 3mm shutoff without halving to make a reducer from 4mm?

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RE: 3mm shut off valve - 11/15/2012 4:17 AM   
rcjetsaok



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RE: 3mm shut off valve - 11/15/2012 12:57 PM   
Dr Honda



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ORIGINAL: rcjetsaok

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I don't know if Todd has a 3mm valve or not.

Raptor: Is it 3mm coming out of the pump? My Wren 44 uses 3mm hoses... but it's 4mm from the pump. So... I run 4mm to the valve, and filter... then I use a 4mm to 3mm Festo right at the engine.


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RE: 3mm shut off valve - 11/15/2012 1:41 PM   
S_Ellzey



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ORIGINAL: raptor30se

The P20 feeds are 3mm lines, jetcat sent 4mm shutoff valves, is there any 3mm shutoff without halving to make a reducer from 4mm?

my P20 came with 4mm to 3mm reducers. I came off the fuel tank with the 4mm tubing to the shutoff and then to a reducer.

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RE: 3mm shut off valve - 11/15/2012 2:37 PM   
HarryC


 

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Status: offline 		afaik, festo do not make a 3mm valve, which is why Wren sells the special 4-3mm adapters for the valve, see "plug-in reducer" about half way down the page http://www.wrenturbines.co.uk/accessories/general-spares#festo-connectors

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RE: 3mm shut off valve - 11/15/2012 4:03 PM   
rcjetsaok



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ORIGINAL: Dr Honda


quote:

ORIGINAL: rcjetsaok

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I don't know if Todd has a 3mm valve or not.

Raptor: Is it 3mm coming out of the pump? My Wren 44 uses 3mm hoses... but it's 4mm from the pump. So... I run 4mm to the valve, and filter... then I use a 4mm to 3mm Festo right at the engine.



Your right... Brain fart... I was thinking 6 & 4 , not 4 & 3... Can't say I've ever seen a 3mm valve..


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RE: 3mm shut off valve - 11/15/2012 6:06 PM   
smchale



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Status: offline 		This is about as close as I could find with a simple google search:
http://global.rakuten.com/en/store/aquastage/item/4516830720415/

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RE: 3mm shut off valve - 11/15/2012 6:52 PM   
Dr Honda



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ORIGINAL: smchale

This is about as close as I could find with a simple google search:
http://global.rakuten.com/en/store/aquastage/item/4516830720415/


Only problem with that is... the seals inside of it may not like Kero.


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RE: 3mm shut off valve - 11/15/2012 7:18 PM   
smchale



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quote:

ORIGINAL: Dr Honda


quote:

ORIGINAL: smchale

This is about as close as I could find with a simple google search:
http://global.rakuten.com/en/store/aquastage/item/4516830720415/


Only problem with that is... the seals inside of it may not like Kero.


Agreed. There isn't much out there. Until something becomes available a 4mm valve with increaser then reducer is the best solution.


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RE: 3mm shut off valve - 11/15/2012 7:51 PM   
Henke Torphammar



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ORIGINAL: smchale

Agreed. There isn't much out there. Until something becomes available a 4mm valve with increaser then reducer is the best solution.



Why not trust the solenoids? From what I have seen an extra valve causes more trouble then it helps. Removeing the valve would eliminate atleast 3 connections points(potential leaks) in this case, free up space and save some weight. (I know this wasn't the question)


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RE: 3mm shut off valve - 11/15/2012 8:05 PM   
smchale



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quote:

ORIGINAL: smchale

Agreed. There isn't much out there. Until something becomes available a 4mm valve with increaser then reducer is the best solution.



Why not trust the solenoids? From what I have seen an extra valve causes more trouble then it helps. Removeing the valve would eliminate atleast 3 connections points(potential leaks) in this case, free up space and save some weight. (I know this wasn't the question)



Here in the USA our governing body requires it. See point #8.
http://www.modelaircraft.org/files/510-a.pdf

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RE: 3mm shut off valve - 11/15/2012 10:38 PM   
joeflyer



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Status: offline 		This is the one I've been using on my Wrens for years.  You have to heat up and stretch the tubing to force it over the 4mm nipple.  It forms a tight seal and works great.
 
http://dreamworksrc.com/catalog/jetcat-fuel-shutoff-valve-p-98.html
 
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RE: 3mm shut off valve - 11/15/2012 10:48 PM   
aquaskiman



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Status: offline 		Check with Ron Ballard at Wren USA, I used to get them (3mm Festo) from Sara at Wren

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RE: 3mm shut off valve - 11/16/2012 12:17 AM   
rcand


 

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I did not see any 3mm stuff except for a straight connector, and that was 2 weeks ago when I bought some festo fittings

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RE: 3mm shut off valve - 11/16/2012 6:07 AM   
DelGatoGrande



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Status: offline 		never used a shut off valve.never had a problem with my jet cats ..

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