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sealing sprinkler.

Post questions and info about pneumatic (compressed gas) powered cannons here. This includes discussion about valves, pipe types, compressors, alternate gas setups, and anything else relevant.
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sealing sprinkler.

Unread postAuthor: Mr.Russ » Wed Oct 03, 2007 6:01 am

hey guys, i just bought a 25mm sprinkler valve, it is a garden mate one and cost me $19. it has a guide rod aswell.

my question is: do sprinkler valves let air through if you blow in the direction of flow? like if i blew in the end without 'flow' written on it, would it come out the other end?

and do sprinkler valves seal using a bike pump.


thanks.
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Unread postAuthor: Marco321 » Wed Oct 03, 2007 6:33 am

Its a diaphragm valve, its just your lungs produce a max of around 2psi, it needs a larger pressure burst, like from a bike pump. Some people have issues with the valve sealing, which is resolved by putting a ball valve between the chamber and the sprinkler valve.
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Unread postAuthor: Mr.Russ » Wed Oct 03, 2007 6:46 am

ok well now it seals when i blow in it, and i just had part of the diaphragm in the wrong way.

it is a valve with a guide rod, the exact valve in the 'wrong' sprinkler modding thread, i was wondering if it matters if i drilled the hole for my blowgun on the opposiute side of the solenoid or not..


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Unread postAuthor: Marco321 » Wed Oct 03, 2007 7:19 am

No prob, i have the same one as you then, from bunnings as well.

As long as the mod is above the diaphragm, it will work.
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Unread postAuthor: tommy90 » Wed Oct 03, 2007 7:34 am

YER i got the same one 2 had i bit of trouble fixing up all the gaps from where i drilled the hole in the side but all good now... shot a bus with it yesterday was so good watchin the spud explode on impact :P

*do any of u guys no if they sell ones without the guide rods @ bunnings..

cheers tom
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Unread postAuthor: Marco321 » Wed Oct 03, 2007 9:06 pm

tommy90 wrote:YER i got the same one 2 had i bit of trouble fixing up all the gaps from where i drilled the hole in the side but all good now... shot a bus with it yesterday was so good watchin the spud explode on impact :P

*do any of u guys no if they sell ones without the guide rods @ bunnings..

cheers tom


Unless you owned that bus, or had permission from the owner to shoot it, i would not say stuff like that it on this forum. Not only is it illegal, but it gives spud guns a bad name.
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Unread postAuthor: Mr.Russ » Wed Oct 03, 2007 9:09 pm

i bent my guide rod so i can drill the hole directly at the top. works fine
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