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Tool Talk Discussion Forum

BLADDER IN PRESSURE TANK

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MN Joe

12-20-2008 11:17:04

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Any one Ever hear of a Pressure Tank that has the possibility to replace the Bladder and clean out the tank at the same time ?

That would be nice if it's possible, but I can't find anything available, I would suppose they can make more money selling you a new tank every ten years or so.

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Charles (in GA)

12-21-2008 14:01:49

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Re: BLADDER IN PRESSURE TANK in reply to MN Joe, 12-20-2008 11:17:04

circus..... No, I'm not a salesman, but I do take care of the three community wells we have in the subdivision. The tanks are horizontal, 1500 gal tanks on two of them, with a spigot on the end of them, right in the center. To set a correct head charge, you open the spigot and run water till air spits out (with the pump off) and them allow all of the air pressure to bleed off, close the spigot and run the pump till it shuts off. You end up with the top 1/3 of the tank being air, the remainder, and by far the largest volume is water. In a month, the tank would be nearly waterlogged, with the pump cycling very frequently. At that point, you had to have an air compressor to put air on the tank to blow the water level down to the spigot. Then go thru the process again. Both wells did this. Finally a well installer set us up with a "sniffle" valve on the well head. Its a Schrader valve core with an extremely weak spring, this is screwed into a 1/8 pipe threaded hole in the plug in the top of the well head (1-1/2" pipe, 21' sections). At the first coupling 21 ft down, the coupling was replaced with a T fitting and a rubber flapper in the side of the T, which blows a small stream of water when the pump is running. When the pump stops, the check valve at the tank closes, gravity starts water draining out of the rubber flapper, and the "sniffle" valve opens allowing air into the pipe. The top 21 ft fills up with air. Next time the pump starts up, it shoves a column of air into the tank, replenishing the head charge. Now the air/water level stays constant and I never have to bother with it.

Third well has four 119 gal bladder tanks, and I have set the bladder pressures once in more than ten years.

Charles

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JCB

12-21-2008 03:21:24

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Re: BLADDER IN PRESSURE TANK in reply to MN Joe, 12-20-2008 11:17:04

MN Joe, Flotec brand is availible at Mill's Fleet Farm - Fiberglass tank with a replaceable bladder.

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MN Joe

12-21-2008 05:53:20

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Re: BLADDER IN PRESSURE TANK in reply to JCB, 12-21-2008 03:21:24

Thanks for that information, greatly appreciated

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T_Bone

12-21-2008 08:45:18

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Re: BLADDER IN PRESSURE TANK in reply to MN Joe, 12-21-2008 05:53:20

Hi Joe,

There's also another brand with a replaceable bladder. Just do a google search. Very expensive tho and I could replace two standard bladders for what one replaceable cost.

Depending on what your wanting it for, also look at the fuel bladders. Being new they would be tested with water, not fuel.

T_Bone

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Bob S.

12-20-2008 16:13:12

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Re: BLADDER IN PRESSURE TANK in reply to MN Joe, 12-20-2008 11:17:04

Howdy
I can't figure out all this pressure tank talk, I have never lived in a house with city water in my 72 years. I have never had to replace a tank and dont know anybody else that has, I have only had water logged tank problems at one home that I lived in for 25 years, and that went away after replacing the submersible pump and all 246 ft of pipe. The tank in my mothers house is at least 70 years old and still works. The house I live in now has a 35 ft well and enough sand that if I didnt filter it I would have to chew the water, no tank problems but pumps only last 5 years. Do I lead a charmed life or what?
Bob S.

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JMS/.MN

12-20-2008 15:58:00

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Re: BLADDER IN PRESSURE TANK in reply to MN Joe, 12-20-2008 11:17:04

You do not need a bladder tank for your water system. Sure, they are nice, but when they fail you have the same system we've had for almost 40 years. Simple tank, used to have a jet pump with an automatic bleeder valve, went to a submersible pump 20 some years ago- have an air valve (same as an inner tube valve) on the tank that I can pump air into to maintain the cushion above the water. Drain it every 2-3 years and pump it up when the tank gets water-logged. Never bought a bladder tank- built the new house 11 years ago and used an old water heater for the water tank when the original rusted out. Still works fine.

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Dusty MI

12-20-2008 14:42:00

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Re: BLADDER IN PRESSURE TANK in reply to MN Joe, 12-20-2008 11:17:04

I had one once I bought from Grainger, the bladder laster a short years. I replaced it, and that one lasted also a few short years. When I went to get a replacement, they were no longer available. So I bought a new bladder tank. The bladder new tank has lasted longer than the one with the replaced bladder.

Dusty

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Tom in Blackwell

12-20-2008 13:36:18

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Re: BLADDER IN PRESSURE TANK in reply to MN Joe, 12-20-2008 11:17:04

Yes, WellMate is one brand and their is another. I have used both and they are the only kind I would buy. More expensive and both are made of fiberglass. It takes about an hour to change a bladder but not very difficult anthe parts are available from the manufacter in a few days.

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MarkB_MI

12-20-2008 13:01:35

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Re: BLADDER IN PRESSURE TANK in reply to MN Joe, 12-20-2008 11:17:04

I can think of a number of reasons that a manufacturer wouldn't do this:

- More expensive to make. (Probably enough that no one would buy it.)
- Less safe, since some dummy would try to take it apart under pressure.
- They would need to stock parts for replacements 10, 20 or more years in the future.

Now even if you could buy one, consider this: By the time the bladder fails, the tank may very well be about to rust through. Also, there's a good chance that the company who built the tank won't be in business by the time you need a new bladder.

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circus

12-20-2008 12:39:05

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Re: BLADDER IN PRESSURE TANK in reply to MN Joe, 12-20-2008 11:17:04

I wish there was a way to disable the bladder. The tank would work just fine if recharged once or twice a year. A leaky bladder just gets in the way.

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Charles (in GA)

12-20-2008 14:12:41

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Re: BLADDER IN PRESSURE TANK in reply to circus, 12-20-2008 12:39:05

Air absorbs into the water rather quickly. without a bladder you would have an plain old well tank, which requires a sniffle valve or one of a couple of other methods to replenish the air charge on a regular (ie. almost constant) basis.

My experience with large (1500 gal) pressure type well tanks is that they require the air head charge to be replenished at least once a month. In six months a tank will become waterlogged and cause rapid cycling of the pump.

Charles

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circus

12-20-2008 15:51:15

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Re: BLADDER IN PRESSURE TANK in reply to Charles (in GA), 12-20-2008 14:12:41

Monthly? Not true. Your a bladder salesman aren't you. ha

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BobPA

12-20-2008 11:39:02

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Re: BLADDER IN PRESSURE TANK in reply to MN Joe, 12-20-2008 11:17:04

Hi Joe. I had to replace mine about two months ago and everything I saw came as a complete unit. Mine lasted about 20 years so I can't complain too much about the price.

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Bob

12-20-2008 11:18:35

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Re: BLADDER IN PRESSURE TANK in reply to MN Joe, 12-20-2008 11:17:04

Seems to me some were set up like that "back in the day, but I don't know of any current source.

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