Thread: Pneumatic Dump Valve for T-Shirt Launcher
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Unread 18-08-2010, 10:31
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Re: Pneumatic Dump Valve for T-Shirt Launcher
Our team modified a sprinkler valve. Hardware stores normally have a good selection of these valves

http://www.instructables.com/id/Golf...rinkler-Valve/

Instead of using a blowoff valve to release the air holding down the diaphram we used a KoP solenoid valve. For about $25 you will have a high flow (about .6in^2) remotely operated valve.