SpudFiles

ok, so here is the deal. I am working on a portable spud gun that is chambered in .68 caliber. I have everything built and this bad boy is ready to rock except for one very big detail, it needs a valve.

this is where i was hoping you guys could come in and help me. I need a valve that would be very easy to attach to a piece of pvc pipe that has 1" ID.
any ideas gentlemen?

1" modded sprinkler valve. Nice easy and simply with plenty of power for a .68 caliber

Use a ball valve, that is simple enough. It would be even better with a sprinkler valve or QEV. Research it.

i have looked into ball valves, they are far to difficult to open to be practical for my situational needs. i had also thought of the sprinkler valve but the cost is a down fall and never even thought of a QEV

I'd recomend you build yourself a piston valve. They're strong, easy to open, and are the most bang for your buck.
I'd also recomend you research
Here's a great starting point:
http://www.spudfiles.com/spud_wiki/inde ... =Main_Page
Have Fun!

A sprinkler valve is going to be your best option for your paintball, er, potato gun. Save the money and go that route.

If you want to try your hand at a piston, you can, but I just sugget the sprinkler.

I recommend a sprinkler. I personally am more than capable of making a piston vavle but haven't really wanted to build one and I find that sprinkler valves are quite good. One thing I do recommend however is that if you do use a sprinkler valve, make the nipples going into the valve steel. I find that the place sprinkler valve guns break the most is there. Its also a PITA to try and get the threads back out. So just use something like a PVC female threaded (chamber size) to 1" bushing -- 1" steel male-male nipple -- sprinkler valve-- Steel nipple -- barrel (same configuration as the chamber but the size of your barrel)

brogdenlaxmiddie wrote:I recommend a sprinkler. I personally am more than capable of making a piston vavle but haven't really wanted to build one and I find that sprinkler valves are quite good. One thing I do recommend however is that if you do use a sprinkler valve, make the nipples going into the valve steel. I find that the place sprinkler valve guns break the most is there. Its also a PITA to try and get the threads back out. So just use something like a PVC female threaded (chamber size) to 1" bushing -- 1" steel male-male nipple -- sprinkler valve-- Steel nipple -- barrel (same configuration as the chamber but the size of your barrel)

That is usually the case when you have an over under connection with an unsupported barrel. Other than that I have never had that happen, and one shouldn't expect it too, especially with a small barrel

frankrede wrote:

brogdenlaxmiddie wrote:I recommend a sprinkler. I personally am more than capable of making a piston vavle but haven't really wanted to build one and I find that sprinkler valves are quite good. One thing I do recommend however is that if you do use a sprinkler valve, make the nipples going into the valve steel. I find that the place sprinkler valve guns break the most is there. Its also a PITA to try and get the threads back out. So just use something like a PVC female threaded (chamber size) to 1" bushing -- 1" steel male-male nipple -- sprinkler valve-- Steel nipple -- barrel (same configuration as the chamber but the size of your barrel)

That is usually the case when you have an over under connection with an unsupported barrel. Other than that I have never had that happen, and one shouldn't expect it too, especially with a small barrel

I have actually had it happen twice with an inline and a 1" bore barrel.

Your options are wide open. Would like to see pictures of it, before suggesting a valve.