| Fuel Valve | |||||
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| 4 enrichment (NC – Normally Closed) valves with fittings, jets and air cylinders (actuators) | |||||
| Common Gates – Logic Elements | |||||
| AND |  |
The application of pressure at both 1 “and” 2 results in an output at 3. |
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| OR |  |
Applying pressure to either input 1 “or” input 2 produces an output at 3. | |||
| NOT | 
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Port 1 (typically supply) normally flows through port 3. When pilot 2 is applied, output 3 is shut off, and down-stream air is exhausted |
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| DELAY |
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ADJUSTABLE DELAY (0 – 3 SEC.)Input 1 is delayed from becoming an output at 3 for an adjustable length of time; thereafter, output 3 will remain as long as supply input 1 is maintained. A volume port is provided to permit longer delays. |
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| Links: Decker Engineering (timers/logic) Clippard Minimatic |
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