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herbiefatboy

  • Posts: 361
4040
« on: July 25, 2009, 10:53:11 pm »
hi all is it best to have a DI vessel with  A 4040 RO and how bigger one do you roughly need any help would be great thanks

SherwoodCleaningSe

  • Posts: 2368
Re: 4040
« Reply #1 on: July 25, 2009, 11:41:29 pm »
Yes you will still need di.  2 11L vessels would probably be best as you can get the most out of the spent resin, however 1 will work fine.

Simon.

pingu

Re: 4040
« Reply #2 on: July 26, 2009, 08:21:23 am »
I have a 13l di vessel attatched to my HF5-4040 membrane and is works just fine...

Water in to prefilters 260 - 320 depending.
Water out of prefilers & membrane  5 - 10 depending.
Water out of DI 0.

Water pressure around 50 - 55psi.

Cheers
Dave.

ftp

  • Posts: 4694
Re: 4040
« Reply #3 on: July 26, 2009, 08:42:21 am »
Just a thought - are there any problems with the speed that the water fires through the resin? I just wonder if the water would tend to make a channel through the beeds rather than filtering through?

I wish someone could produce a diagram of exactly how a resin vessel works - does the water pour down the sides of the vessel then up the riser tube or what - can't get my head round it. Look simple enough when you take one apart.

pingu

Re: 4040
« Reply #4 on: July 26, 2009, 08:47:36 am »
I have found lightly tapping the vessel with a rubber mallet works fine when I fill it...I also use this method to pack my diving rebreather to ensure no channeling..which if occurs could kill me ;D ;D

Cheers
Dave.

ftp

  • Posts: 4694
Re: 4040
« Reply #5 on: July 26, 2009, 08:48:43 am »
 :o :o