Yeah, overflow the GB twice as fast
Just Kidding
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| Indexing Valve Questions http://byap.backyardmagazines.com/forum/viewtopic.php?f=8&t=9122 |
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| Author: | TheNative [ Feb 21st, '11, 05:23 ] |
| Post subject: | Indexing Valve Questions |
I have an 8 port 1" indexing valve. I installed the 4 port cam. When running is the water from the valve supposed to come out of the other 7 ports (just dribbles out of them? So when setting it up for 4 zones I would need to cap off the other 4 unused zones? Is there a specific way I should orient the valve, facing down, sideways, etc? |
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| Author: | RupertofOZ [ Feb 21st, '11, 10:59 ] |
| Post subject: | Re: Indexing Valve Questions |
Preferably facing down... and although supplied with a #4 cam... it's not really a supported configuration.. as it's assumed that if you only want 4 ports in operation... you would buy a 4 port, or perhaps a 6 port model... So it may "dribble" a bit... and should be capped... or you can run a second line to each grow bed... and have them fill twice per rotation... When you need the extra ports... just replumb to the new grow beds... |
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| Author: | TheNative [ Feb 21st, '11, 13:50 ] |
| Post subject: | Re: Indexing Valve Questions |
So even in it's normal application with 8 ports plumbed, the other 7 still dribble while the main port is running full speed? |
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| Author: | freoboy [ Feb 21st, '11, 13:52 ] |
| Post subject: | Re: Indexing Valve Questions |
Sorry to barg in here native, but rupe is it also necessary to stop and start the water flow to trip the valve? and have you found a way of doing this with a constantly flowing pump? |
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| Author: | Outbackozzie [ Feb 21st, '11, 20:39 ] |
| Post subject: | Re: Indexing Valve Questions |
You'd need some sort of flapper valve, maybe actuated by a car door lock mechanism...also the ports do leak, even with a high pressure pump pushing on them. My 4 port valves leave a constant trickle out of the 3 non actuated ports. |
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| Author: | TheNative [ Feb 21st, '11, 23:57 ] |
| Post subject: | Re: Indexing Valve Questions |
Okay so it is operating normally. I figured as much but I just wanted to be sure. About the valve interrupt, you can do it with a repeat cycle timer. So if you ran 9 min on 1 min off, then your pump is running 90% of the time. The 1 min off might even be good for the pump as it backflushes and cleans it. I know there are some other methods, but I don't know that much about them. |
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| Author: | RupertofOZ [ Feb 22nd, '11, 07:59 ] |
| Post subject: | Re: Indexing Valve Questions |
Yep, you can acheive the interruption with a "flout", solenoid, some sort of "flapper"... or a repeat cycle timer... |
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| Author: | Dufflight [ Feb 22nd, '11, 11:17 ] |
| Post subject: | Re: Indexing Valve Questions |
Not a bad idea with having two ports going to each gb. Water can go into different areas of the gb. |
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| Author: | Outbackozzie [ Feb 22nd, '11, 14:06 ] |
| Post subject: | Re: Indexing Valve Questions |
Yeah, overflow the GB twice as fast Just Kidding |
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| Author: | RupertofOZ [ Feb 22nd, '11, 15:24 ] |
| Post subject: | Re: Indexing Valve Questions |
Nah, justs fills them twice per sequence rather than once... |
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