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Frank pole

  • Posts: 143
d i vessel on van - or not!"£$
« on: July 23, 2008, 04:29:42 pm »
hi,

Should I di my water before it gets to the tank on my van or not? Iv`e been told to always di your water in garage as if you di in van it puts to much strain on pump as it has to push the water through the vessel first ?
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mr merson

Re: d i vessel on van - or not!"£$
« Reply #1 on: July 23, 2008, 04:31:06 pm »
I was advised to Di it before it goes into your water tank mate  ;D
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[GQC] Tim

  • Posts: 4536
Re: d i vessel on van - or not!"£$
« Reply #2 on: July 23, 2008, 04:35:07 pm »
Quote from: mr merson on July 23, 2008, 04:31:06 pm
I was advised to Di it before it goes into your water tank mate  ;D

And then finding out that your resin was spent, and your stuck with a load of water that isn't 0 tds.

Best option is to use DI after RO to tank, and then from Tank to pump to DI. So essentially 2 DI's, resin will last a lot longer as well.

I have not found it puts a strain on the pump at all, they are xxxPSI pumps, a bit of pressure increase from a DI vessel won't be a problem at all I don't think.
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davids3511

  • Posts: 2506
Re: d i vessel on van - or not!"£$
« Reply #3 on: July 23, 2008, 10:48:29 pm »
Isn't it more cost efficient to DI after the tank as the water flows through the di more slowly meaning the resin will last longer.
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mr merson

Re: d i vessel on van - or not!"£$
« Reply #4 on: July 23, 2008, 10:50:25 pm »
why dont you just ask a man that can !  Andrew mcann ( ex pure freedom ) He will sort you out  ;D
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Nathanael Jones

  • Posts: 5596
Re: d i vessel on van - or not!"£$
« Reply #5 on: July 23, 2008, 10:55:58 pm »
I RO into a static tank at home, and have 2 DI vessels in the van. The DI's are before the tank, so I just pump the water from the static tank through the DI's and into the van tank.

The biggest advantage is that if I ever run out of water on a job, I can fill up on site and keep on working. DI after the pump should work too,.. I've never heard that it'd damage the pump.
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mr merson

Re: d i vessel on van - or not!"£$
« Reply #6 on: July 23, 2008, 11:01:31 pm »
Quote from: mr merson on July 23, 2008, 10:50:25 pm
why dont you just ask a man that can ! Andrew mcann ( ex pure freedom ) He will sort you out ;D

If you are looking Andrew , Am sorry but I changed my mind again !  Bought a new Hi ace ! Call me .
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windowwashers

Re: d i vessel on van - or not!"£$
« Reply #7 on: July 24, 2008, 05:39:03 am »
This is Andrew's new site:

www.exelsystems.co.uk
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craig jwc

  • Posts: 1076
Re: d i vessel on van - or not!"£$
« Reply #8 on: July 24, 2008, 08:32:20 am »
DI in van.
My water goes through it from the tank in the van, so it's polished off whilst i'm working.
If you do run out whilst out working you have the option to fill up from customers if they don't mind.
Just keep an eye on TDS each day, but if it starts to creep up whilst your working i wouldn't worry as i have cleaned with TDS 15 before and still had a quality finish.
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