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buying a new valve

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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buying a new valve

Unread postAuthor: paddo » Wed Apr 25, 2007 1:20 am

gday everyone. im going to buy my first sprinkler valve and im getting it off ebay. there is 2 options and im not sure which one to pick seeing as i haven't bought one before.

> I do want to mod the valve to be pneumatically actuated so id like to buy the easiest one to do this with. and it wont have more than 120 psi in it and both are rated to 150 or more (2nd one is rated to 175ish) psi

number 1 (white)

100% water tested
150psi (1050kpa) Rating
Engineering grade plastic body and cover, complete with 1/4" stainless steel cover bolts
Moulded shock cone reduces water hammer
Easily serviced without removal from installation
Voltage: 24 VAC


number 2 (black)

-100% Water tested
-Working pressure 0.4 bar (40kpa) to 12 bar (1200kpa)
-Made from high quality glass reinforced nylon
-Complete with stainless steel cover screws
-Moulded shock cone reduces water hammer
-Manual or automatic valve lever
-Easily serviced without removal from installation
-Low energy coil design 24 VAC

the white one looks closer to the ones i have seen on this site before i think.
so if anyone has any ideas thanks for helping. :)
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Unread postAuthor: frankrede » Wed Apr 25, 2007 6:54 am

both have guide rods so I wouldn't choose either of those two.
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Unread postAuthor: skinner » Wed Apr 25, 2007 7:00 am

How much do they each cost?

Because. At bunnings theres ones that you can buy for 15 dollars, and are rated to 12 bar (175 psi).

But the only problem is that it has a guide rod, but i guess you could replace the solenoid for a blow gun or something, without having to drill into the valve.

God luck.

--Skinner
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Unread postAuthor: iknowmy3tables » Wed Apr 25, 2007 7:39 am

you can't exaclly mod most valves at the solinod port, but the flow control stem often can make a nice place to make a nice deep port for the blowgun, but since its optional its usally cost more so I wouldn't buy it

I think the first one is better because It's flow design
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Unread postAuthor: paddo » Thu Apr 26, 2007 3:38 am

thanks guys. yeh i know both have a guide rod but the one i saw at bunnings also has one so i mite just buy the first one and see how it goes. thanks alot.
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Unread postAuthor: rna_duelers » Thu Apr 26, 2007 5:54 am

They are just as easy to mod with the guide rod.All of my sprinkler valves have had a guide rod and they are POPE valves from bunnings.The first valve would seem more easily to mod as the material it is made from,it is more ridged and can more easily be threaded into and glued etc.

And price is another issue but both valves will not out perform each other significantly as they are all nearly based on the same principal of design.
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