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| sergeantspud2 |
 Posted: 06/17/2005 19:57 PM Post subject: sprinkler valve |
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Captain
Joined: 07 Jun 2005
Posts: 315
346.43 Spud Bux
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| i need some help on installing a 1" sprinkler valve. what is the modification thing on the how-to's section? i have seen some with blow gun and a hose what is that? |
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| spudshot |
| Posted: 06/17/2005 20:04 PM Post subject: |
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Brigadier General
Joined: 03 Oct 2004
Posts: 1044
41304.56 Spud Bux
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| modding a sprinkler valve makes it open faster, and give better performance to your gun (you also dont need batteries) basically you install a blowgun in the sprinkler valve by drilling and tapping a hole for 1/4" NPT threads, when you press the button on the blowgun it exhausts the air above the diaphragm (rubber thing in the valve) that causes the phagm to move up, which lets the air in the chamber go through the barrel |
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| drac |
| Posted: 06/17/2005 20:12 PM Post subject: |
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Metalhead Moderator
Joined: 24 Apr 2005
Posts: 890
5160.49 Spud Bux
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Alright, on a sprinkler valve with a solenoid still left in, the solenoid has a smal plunger that seals against a hole in the valve cover. when activated, the solenoid plunger moves up and lets out pressure. But because the hole is so small, it releases air much slower, which makes it open slower. By modding your valve, you're making a bigger opening for the air to flow through. So basically: Bigger Exhaust=Faster Opening Time.
Just remember to seal up your solenoid hole with a good epoxy, otherwise your valve won't work correctly.
Just remember not to put the 1/4 in nipple to far into the valve cover, or the diaphragm won't be able to open fully, and it might cause your valve to malfunction. |
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| sergeantspud2 |
| Posted: 06/17/2005 22:11 PM Post subject: |
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Captain
Joined: 07 Jun 2005
Posts: 315
346.43 Spud Bux
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thankyou for your help  |
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