Messages

1

Valve Tech / Re: CSV outlet and tank port the same chamber? Tank fill time questions...

« on: June 17, 2014, 12:26:39 PM »

Yes sorry I misspoke, I meant CSV.  I wouldn't have actually made that mistake.

BTW, the diagrams show a pressure relief valve.   Is this a safety like the ones on a hot water tank, or is it one for regulating pressure to the csv?   Do you have a link to one to show me one that is appropriate for the setup we were discussing?

Thanks

2

Valve Tech / Re: CSV outlet and tank port the same chamber? Tank fill time questions...

« on: June 16, 2014, 08:44:06 PM »

That really solidifies my understanding, I think I got it and I'm liking this valve more and more.
So it sounds like I'll be setting the pressure switch to 58 then. 

3

Valve Tech / CSV outlet and tank port the same chamber? Tank fill time questions...

« on: June 16, 2014, 11:35:50 AM »

 I'm trying to figure out if a tank with an 8 gallon draw down will require the pump to run for 8 additional minutes after fixtures are shut off or if it only needs to run for about 4 additional minutes?    I'm also trying to figure out if there is any advantage to tank fill rate whether the tank is connected to the tank port on the CSV1A valve or if the tank is connected via a tee shortly after the outlet port.

So assuming a 40/60 pressure switch and a CSV1A configured to 50 psi...
Is the tank hook-up outlet more of a convenience and is really the same as the service outlet? From the diagram of the valve internals it looks like they are tied to the same chamber.   Therefore, isn't the 1 gallon per minute rate only after fixtures are turned off and the tank will go from 40 to 50 psi at potentially greater than 1gpm while a fixture is open and only have the remaining 10 psi added to the tank at 1gpm when the fixtures are turned off.    Therefore if one has a tank with a 8g draw, the pump does not have to run 8 additional minutes after fixtures are closed, rather the pump would have to run about 4 minutes.   Am I correct?  If so I could adjust CSV1a valve to sustain 55 psi and reduce the pumps run time after fixtures are closed to approximately about 2 minutes.    Do I understand all this correctly?

4

Irrigation / Second tank down the line?

« on: June 15, 2014, 02:51:41 PM »

Hello,
Before I knew about CSV's I bought a 32gallon wellxtrol tank and thinking bigger is better I upgraded my burned out 3/4hp pump with a 1hp Franklin pump for a shallow 20' well with foot valve setup.    I notice that my pump cycles a lot when running the hose so I started researching and discovered the CSV    While running the hose the pump runs for about 15 seconds at a time.    I can't return the pump or the the tank so how do I salvage the situation.   It looks like the CSV only allows the pressure tank to fill up at 1 gallon per minutes to it seems that my pump will always run for about 9 minutes whenever it comes on which seems excessive.   Can I move this larger tank down the line and put a small pressure tank and CSV near the pump.   The pressure switch is setup as 30/50 and the tank is set to work with that about about 28psi.   If replace the tank with a small one with a CSV at the pump and move this larger one down the line will it be able to fill up completely?  My concern is that the CSV would be set at 40-45 and the tank would never get up to 50 psi.    Maybe if I put in a CSV I can make the range on the pressure switch from 30/60, set the CSV to 50 psi and then my larger tank down the line can fully charge to 50 psi?