3-way ball valves

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SpudFiles Forum Index » BB/Airsoft/Pellet Gun Discussion » 3-way ball valves

3-way ball valves

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igpay

Posted: 04/10/2008 18:26 PM Post subject: 3-way ball valves

Sergeant

Joined: 08 Apr 2008
Posts: 86
21.55 Spud Bux

I was hoping of making a sniper rifle where the ball valve also acts as the main loading port (is that the correct term?) anyways, i was looking at some diagrams on wikipedia and it seems that they dont make any valves where, when they are closed, they are shut off to all air flow except for the top "loading port". I was wondering if there was any valve that worked like this.

valve_closed.jpg

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the valve when it is open to airflow.

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59.4 KB

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20 Time(s)

valve_open.jpg

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the valve when it is open to "loading port"

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59.66 KB

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19 Time(s)

ilovetoblowthingsup

Posted: 04/10/2008 18:28 PM Post subject:

Brigadier General

Joined: 30 Mar 2007
Posts: 822
1491.90 Spud Bux

yea, lots of people have done it, just drill a hole in the side of the ball valve. have fun doing that with a metal ball valve however..can you say cutting oil?

igpay

Posted: 04/10/2008 18:28 PM Post subject:

Sergeant

Joined: 08 Apr 2008
Posts: 86
21.55 Spud Bux

err... I just realized that I might as well use a 4-way valve. violent1

Sorry. but do 4-way valves work like this?

igpay

Posted: 04/10/2008 18:29 PM Post subject:

Sergeant

Joined: 08 Apr 2008
Posts: 86
21.55 Spud Bux

Oops. didn't see your post.

XxtriviumxX

Posted: 04/11/2008 1:41 AM Post subject:

Master Sergeant

Joined: 18 Apr 2007
Posts: 167
305.91 Spud Bux

I would preffer to make/use a breech load over this idea... A breech load would save the need to drill a hole in the valve Smile

Here is a nice bolt action design. Wink

http://www.spudfiles.com/forums/bolt-action-breech-loader-t310.html

cdheller

Posted: 04/11/2008 19:50 PM Post subject:

Donating Member
<b>Donating Member</b>

Joined: 05 Oct 2005
Posts: 101
41.34 Spud Bux

It's doable
I used a Apollo 3w ball v with a l shaped porting .
http://www.conbraco.com/products/products.asp?sub=16.
replaced the ball with one from a regular Apollo ball valve .

You'll need a torch to heat the thread sealent on the valve, at least 2 decent sized pipe wrenches or better yet a securely mounted vice w 1 pipe wrench.

my magazine tube pressurizes so you might want to plan for that w/ a cap or valve
Before I used heat I mangled 2-3 old valves ,,,practiceing on old valves would be a good plan for your first time .
(20-30-dollars for a 3w 3/4" valve where I got mine)

If I can find my crappy camera I'll post pics.

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