Re: [MBZ] OT - home hot and cold water filters update

2008-11-11 Thread Wilton Strickland
Without a nonconductor between them, electrolysis will rust away (erode)
the iron.
When dissimilar metals are in contact with each other, electrolysis (natural
reaction/flow of electrons between them) erodes the less noble metal.

Wilton

- Original Message -
From: Tom Hargrave [EMAIL PROTECTED]
To: 'Mercedes Discussion List' mercedes@okiebenz.com
Sent: Tuesday, November 11, 2008 7:49 AM
Subject: Re: [MBZ] OT - home hot and cold water filters update


 You should not be mixing iron  brass. You should have a fitting in
between
 made of PVC.

 Thanks,
 Tom Hargrave
 www.kegkits.com
 256-656-1924


 -Original Message-
 From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]
 On Behalf Of OK Don
 Sent: Monday, November 10, 2008 10:18 PM
 To: Mercedes Discussion List
 Subject: [MBZ] OT - home hot and cold water filters update

 I finished installing the new water system in the kitchen this
 evening. It consists of two stainless and bronze filter housings, lots
 of iron, brass, copper, and plastic parts. Of possible note is that
 the filter assemblies were salvaged from a photo lab water temp
 control panel - and is old. I soaked the assemblies overnight in a
 bucket of citric acid to clean off the old scale deposits - they came
 out sparkling clean looking.
 The filters are carbon block, 5 micron nominal, and new.

 The water now tastes oily and metallic - even after running it for 15
 minutes. Is this likely coming from the old filter top casting
 (bronze) or the iron pipe reducers and nipples?

 --
 OK Don, KD5NRO
 Norman, OK
 There are only three sports: bullfighting, motor racing, and
 mountaineering; all the rest are merely games.  - Ernest Hemingway
 '90 300D (Rattled),  '92 300D (Saber), ''97 Ply Grand Voyager (Vincent
 van-go)

 ___
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 2:14 PM


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Re: [MBZ] OT - home hot and cold water filters update

2008-11-11 Thread Jim Cathey
When dissimilar metals are in contact with each other, electrolysis 
(natural

reaction/flow of electrons between them) erodes the less noble metal.


Even not in direct contact the low-level conductivity of
the tap water will cause slow erosion over time.  Takes
years.

-- Jim



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Re: [MBZ] OT - home hot and cold water filters update

2008-11-11 Thread Allan Streib
How about aluminum and brass?  I'm working on a plan to replace most of
the rubber fuel lines in the engine compartment of my Vanagon.  I am
planning to use aircraft fuel line and fittings (aluminum) but I have
not been able to find fuel hose barbs in anything but brass.  Can brass
fittings be used with aluminum, or do I need to keep looking?

Allan



On Tue, 11 Nov 2008 11:48:04 -0500, Wilton Strickland
[EMAIL PROTECTED] said:
 Without a nonconductor between them, electrolysis will rust away
 (erode)
 the iron.
 When dissimilar metals are in contact with each other, electrolysis
 (natural
 reaction/flow of electrons between them) erodes the less noble metal.
 
 Wilton
 
 - Original Message -
 From: Tom Hargrave [EMAIL PROTECTED]
 To: 'Mercedes Discussion List' mercedes@okiebenz.com
 Sent: Tuesday, November 11, 2008 7:49 AM
 Subject: Re: [MBZ] OT - home hot and cold water filters update
 
 
  You should not be mixing iron  brass. You should have a fitting in
 between
  made of PVC.
 
  Thanks,
  Tom Hargrave
  www.kegkits.com
  256-656-1924
 
 
  -Original Message-
  From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]
  On Behalf Of OK Don
  Sent: Monday, November 10, 2008 10:18 PM
  To: Mercedes Discussion List
  Subject: [MBZ] OT - home hot and cold water filters update
 
  I finished installing the new water system in the kitchen this
  evening. It consists of two stainless and bronze filter housings, lots
  of iron, brass, copper, and plastic parts. Of possible note is that
  the filter assemblies were salvaged from a photo lab water temp
  control panel - and is old. I soaked the assemblies overnight in a
  bucket of citric acid to clean off the old scale deposits - they came
  out sparkling clean looking.
  The filters are carbon block, 5 micron nominal, and new.
 
  The water now tastes oily and metallic - even after running it for 15
  minutes. Is this likely coming from the old filter top casting
  (bronze) or the iron pipe reducers and nipples?
 
  --
  OK Don, KD5NRO
  Norman, OK
  There are only three sports: bullfighting, motor racing, and
  mountaineering; all the rest are merely games.  - Ernest Hemingway
  '90 300D (Rattled),  '92 300D (Saber), ''97 Ply Grand Voyager (Vincent
  van-go)
 
  ___
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  For new parts see official list sponsor: http://www.buymbparts.com/
  For used parts email [EMAIL PROTECTED]
 
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  No virus found in this incoming message.
  Checked by AVG.
  Version: 7.5.549 / Virus Database: 270.9.0/1778 - Release Date: 11/9/2008
  2:14 PM
 
 
  No virus found in this outgoing message.
  Checked by AVG.
  Version: 7.5.549 / Virus Database: 270.9.0/1780 - Release Date: 11/10/2008
  8:58 PM
 
 
 
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Re: [MBZ] OT - home hot and cold water filters update

2008-11-11 Thread Wilton Strickland
Yes, that, too, but much slower than direct contact, of course.

Wilton

- Original Message - 
From: Jim Cathey [EMAIL PROTECTED]
To: Mercedes Discussion List mercedes@okiebenz.com
Sent: Tuesday, November 11, 2008 11:56 AM
Subject: Re: [MBZ] OT - home hot and cold water filters update


  When dissimilar metals are in contact with each other, electrolysis 
  (natural
  reaction/flow of electrons between them) erodes the less noble metal.
 
 Even not in direct contact the low-level conductivity of
 the tap water will cause slow erosion over time.  Takes
 years.
 
 -- Jim
 
 
 
 ___
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Re: [MBZ] OT - home hot and cold water filters update

2008-11-11 Thread Mitch Haley

Mitch Haley wrote:

Why not something like McMaster.com's part number 5176K23 or 5176K24?
That's what I redid my Plymouth with when it started getting rusty after 
12 years. Just clamp it to the chassis every 2-3 feet, and use rubber or 
tygon at both ends for flex.


Did I say Tygon? Oops, that's vinyl. I meant the firm black plastic stuff like 
Saab used to use.


Mitch.


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Re: [MBZ] OT - home hot and cold water filters update

2008-11-11 Thread Wilton Strickland
Aluminum is less noble than brass; it'll erode by electrolysis (galvanic)
action, also.  Look up galvanic action or galvanic scale.

Wilton

- Original Message -
From: Allan Streib [EMAIL PROTECTED]
To: Mercedes Discussion List mercedes@okiebenz.com
Sent: Tuesday, November 11, 2008 12:01 PM
Subject: Re: [MBZ] OT - home hot and cold water filters update


 How about aluminum and brass?  I'm working on a plan to replace most of
 the rubber fuel lines in the engine compartment of my Vanagon.  I am
 planning to use aircraft fuel line and fittings (aluminum) but I have
 not been able to find fuel hose barbs in anything but brass.  Can brass
 fittings be used with aluminum, or do I need to keep looking?

 Allan



 On Tue, 11 Nov 2008 11:48:04 -0500, Wilton Strickland
 [EMAIL PROTECTED] said:
  Without a nonconductor between them, electrolysis will rust away
  (erode)
  the iron.
  When dissimilar metals are in contact with each other, electrolysis
  (natural
  reaction/flow of electrons between them) erodes the less noble metal.
 
  Wilton
 
  - Original Message -
  From: Tom Hargrave [EMAIL PROTECTED]
  To: 'Mercedes Discussion List' mercedes@okiebenz.com
  Sent: Tuesday, November 11, 2008 7:49 AM
  Subject: Re: [MBZ] OT - home hot and cold water filters update
 
 
   You should not be mixing iron  brass. You should have a fitting in
  between
   made of PVC.
  
   Thanks,
   Tom Hargrave
   www.kegkits.com
   256-656-1924
  
  
   -Original Message-
   From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]
   On Behalf Of OK Don
   Sent: Monday, November 10, 2008 10:18 PM
   To: Mercedes Discussion List
   Subject: [MBZ] OT - home hot and cold water filters update
  
   I finished installing the new water system in the kitchen this
   evening. It consists of two stainless and bronze filter housings, lots
   of iron, brass, copper, and plastic parts. Of possible note is that
   the filter assemblies were salvaged from a photo lab water temp
   control panel - and is old. I soaked the assemblies overnight in a
   bucket of citric acid to clean off the old scale deposits - they came
   out sparkling clean looking.
   The filters are carbon block, 5 micron nominal, and new.
  
   The water now tastes oily and metallic - even after running it for 15
   minutes. Is this likely coming from the old filter top casting
   (bronze) or the iron pipe reducers and nipples?
  
   --
   OK Don, KD5NRO
   Norman, OK
   There are only three sports: bullfighting, motor racing, and
   mountaineering; all the rest are merely games.  - Ernest Hemingway
   '90 300D (Rattled),  '92 300D (Saber), ''97 Ply Grand Voyager (Vincent
   van-go)
  
   ___
   http://www.okiebenz.com
   For new parts see official list sponsor: http://www.buymbparts.com/
   For used parts email [EMAIL PROTECTED]
  
   To Unsubscribe or change delivery options go to:
   http://okiebenz.com/mailman/listinfo/mercedes_okiebenz.com
  
   No virus found in this incoming message.
   Checked by AVG.
   Version: 7.5.549 / Virus Database: 270.9.0/1778 - Release Date:
11/9/2008
   2:14 PM
  
  
   No virus found in this outgoing message.
   Checked by AVG.
   Version: 7.5.549 / Virus Database: 270.9.0/1780 - Release Date:
11/10/2008
   8:58 PM
  
  
  
   ___
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   For used parts email [EMAIL PROTECTED]
  
   To Unsubscribe or change delivery options go to:
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Re: [MBZ] OT - home hot and cold water filters update

2008-11-11 Thread Loren Faeth



Synflex is somebody's brand name for the black plastic high strength 
stuff.  in the 70s, it was new, and was used for small hydraulic lines.



At 11:40 AM 11/11/2008, you wrote:

Mitch Haley wrote:

Why not something like McMaster.com's part number 5176K23 or 5176K24?
That's what I redid my Plymouth with when it started getting rusty 
after 12 years. Just clamp it to the chassis every 2-3 feet, and 
use rubber or tygon at both ends for flex.


Did I say Tygon? Oops, that's vinyl. I meant the firm black 
plastic stuff like Saab used to use.


Mitch.


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Loren Faeth 



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Re: [MBZ] OT - home hot and cold water filters update

2008-11-11 Thread Mitch Haley

Loren Faeth wrote:



Synflex is somebody's brand name for the black plastic high strength 
stuff.  in the 70s, it was new, and was used for small hydraulic lines.


Late 70's Saab CIS systems were entirely plumbed with the stuff except for clear 
lines to the injectors. I never saw a failure in the black stuff. They'd run one 
straight piece from the fuel pump to the fuel filter with a banjo on each end, a 
short one from filter to distributor, and a smaller return line from the fuel 
distributor to the tank. You never had to worry about rusty or rotting fuel 
lines. The two main problem areas were the rubber elbow between the fuel filler 
pipe and the tank, and the 2 rubber hose connecting the in tank strainer to the 
fuel pump inlet.


Mitch.



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Re: [MBZ] OT - home hot and cold water filters update

2008-11-11 Thread Allan Streib
On Tue, 11 Nov 2008 09:10:43 -0800, Jim Cathey [EMAIL PROTECTED]
said:
  planning to use aircraft fuel line and fittings (aluminum)
 
 Big looping coils to soak up engine motion?  Your other
 option is to use hard lines to take the mounting point
 to a place where the rubber, once failed, would _not_
 dump fuel on an ignition source.

My plan has the aluminum tubing fixed using vibration-absorbing mounts
on the engine case; there would be no motion with respect to the engine.

Allan

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Re: [MBZ] OT - home hot and cold water filters update

2008-11-11 Thread Allan Streib
You just clamped the hose right to the pipe?  Was this a carbureted
application?  Mine is fuel injected, I need a connection that will take
some pressure which is why I would at least want some kind of a bead at
the end of the pipe, if not a proper hose barb.

I was looking at their 9929T123 aluminum tubing.  What's the advantage
of steel, wouldn't it be more prone to corrosion?

Allan


On Tue, 11 Nov 2008 12:37:01 -0500, Mitch Haley [EMAIL PROTECTED]
said:
 Allan Streib wrote:
  How about aluminum and brass?  I'm working on a plan to replace most of
  the rubber fuel lines in the engine compartment of my Vanagon.  
 
 Why not something like McMaster.com's part number 5176K23 or 5176K24?
 That's what I redid my Plymouth with when it started getting rusty after
 12 
 years. Just clamp it to the chassis every 2-3 feet, and use rubber or
 tygon at 
 both ends for flex.
 Mitch.
 
 
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Re: [MBZ] OT - home hot and cold water filters update

2008-11-11 Thread Mitch Haley

Allan Streib wrote:

You just clamped the hose right to the pipe?  Was this a carbureted
application? 


Low pressure TBI. The factory pipe had a bubble flare at the end and a bump 1 
back, you'd slide the hose to the 2nd bump and clamp in between. My replacements 
only had the bubble flare on the end. With a hose clamp behind a slight bubble 
flare, it's not going anywhere. Alternately, you could do it like brake line and 
use flare fittings. That should be good for 2000psi or so. Doing it the way I 
did it, with bubbles on the end of the steel tube and clamping 100psi reinforced 
fuel hose to it, should be fine for any gasoline fuel system I know of.

Mitch.


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Re: [MBZ] OT - home hot and cold water filters update

2008-11-11 Thread Allan Streib

Mitch Haley [EMAIL PROTECTED] said:

 Loren Faeth wrote:
  
  
  Synflex is somebody's brand name for the black plastic high strength 
  stuff.  in the 70s, it was new, and was used for small hydraulic lines.
 
 Late 70's Saab CIS systems were entirely plumbed with the stuff except for 
 clear 
 lines to the injectors. I never saw a failure in the black stuff. They'd run 
 one 
 straight piece from the fuel pump to the fuel filter with a banjo on each 
 end, a 
 short one from filter to distributor, and a smaller return line from the fuel 
 distributor to the tank. You never had to worry about rusty or rotting fuel 
 lines. The two main problem areas were the rubber elbow between the fuel 
 filler 
 pipe and the tank, and the 2 rubber hose connecting the in tank strainer to 
 the 
 fuel pump inlet.

Sounds like the hard black plastic tubing that VW used between the
fuel pump and the engine bay.  Then in the engine bay itself it is all
regular rubber FI hose.

Allan


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Re: [MBZ] OT - home hot and cold water filters update

2008-11-11 Thread Jim Cathey

planning to use aircraft fuel line and fittings (aluminum)


Big looping coils to soak up engine motion?  Your other
option is to use hard lines to take the mounting point
to a place where the rubber, once failed, would _not_
dump fuel on an ignition source.

-- Jim



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Re: [MBZ] OT - home hot and cold water filters update

2008-11-11 Thread Alex Chamberlain
On Tue, Nov 11, 2008 at 9:40 AM, Mitch Haley [EMAIL PROTECTED] wrote:
 Why not something like McMaster.com's part number 5176K23 or 5176K24?
 That's what I redid my Plymouth with when it started getting rusty after
 12 years. Just clamp it to the chassis every 2-3 feet, and use rubber or
 tygon at both ends for flex.

 Did I say Tygon? Oops, that's vinyl. I meant the firm black plastic stuff
 like Saab used to use.

The makers of Tygon claim that it is resistant to petroleum-based
solvents.  It had better be---I used it to make up the low-pressure
fuel supply and return lines for my whole-house diesel generator.

Alex

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Re: [MBZ] OT - home hot and cold water filters update

2008-11-11 Thread Mitch Haley

Allan Streib wrote:

How about aluminum and brass?  I'm working on a plan to replace most of
the rubber fuel lines in the engine compartment of my Vanagon.  


Why not something like McMaster.com's part number 5176K23 or 5176K24?
That's what I redid my Plymouth with when it started getting rusty after 12 
years. Just clamp it to the chassis every 2-3 feet, and use rubber or tygon at 
both ends for flex.

Mitch.


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Re: [MBZ] OT - home hot and cold water filters update

2008-11-11 Thread Mitch Haley

Allan Streib wrote:


I was looking at their 9929T123 aluminum tubing.  What's the advantage
of steel, wouldn't it be more prone to corrosion?


The steel stuff does corrode, that's why I was replacing it on a 12 year old 
car. I'm not so sure the aluminum stuff wouldn't corrode too, and it's more 
susceptible to fatigue fracture, but nowhere near as bad as copper. I just used 
the steel because it's the same stuff that many automakers use for brake, 
transmission and fuel plumbing.


Mitch.


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Re: [MBZ] OT - home hot and cold water filters update

2008-11-11 Thread Tom Hargrave
You should not be mixing iron  brass. You should have a fitting in between
made of PVC.

Thanks,
Tom Hargrave
www.kegkits.com
256-656-1924
 

-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]
On Behalf Of OK Don
Sent: Monday, November 10, 2008 10:18 PM
To: Mercedes Discussion List
Subject: [MBZ] OT - home hot and cold water filters update

I finished installing the new water system in the kitchen this
evening. It consists of two stainless and bronze filter housings, lots
of iron, brass, copper, and plastic parts. Of possible note is that
the filter assemblies were salvaged from a photo lab water temp
control panel - and is old. I soaked the assemblies overnight in a
bucket of citric acid to clean off the old scale deposits - they came
out sparkling clean looking.
The filters are carbon block, 5 micron nominal, and new.

The water now tastes oily and metallic - even after running it for 15
minutes. Is this likely coming from the old filter top casting
(bronze) or the iron pipe reducers and nipples?

-- 
OK Don, KD5NRO
Norman, OK
There are only three sports: bullfighting, motor racing, and
mountaineering; all the rest are merely games.  - Ernest Hemingway
'90 300D (Rattled),  '92 300D (Saber), ''97 Ply Grand Voyager (Vincent
van-go)

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For used parts email [EMAIL PROTECTED]

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No virus found in this incoming message.
Checked by AVG. 
Version: 7.5.549 / Virus Database: 270.9.0/1778 - Release Date: 11/9/2008
2:14 PM
 

No virus found in this outgoing message.
Checked by AVG. 
Version: 7.5.549 / Virus Database: 270.9.0/1780 - Release Date: 11/10/2008
8:58 PM
 


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Re: [MBZ] OT - home hot and cold water filters update

2008-11-11 Thread OK Don
Duh!  I should have known/thought of that. Anyway - all the iron is
gone, went to a real plumbing supply store instead of using the rebate
gift card at Lowes, and bought all real brass fittings.
It's amazing how bad two inches of iron and cutting oil can make water taste!
All is well now - nice clean tasting water, and the wife is happy!

On Tue, Nov 11, 2008 at 6:49 AM, Tom Hargrave [EMAIL PROTECTED] wrote:
 You should not be mixing iron  brass. You should have a fitting in between
 made of PVC.

-- 
OK Don, KD5NRO
Norman, OK
There are only three sports: bullfighting, motor racing, and
mountaineering; all the rest are merely games.  - Ernest Hemingway
'90 300D (Rattled),  '92 300D (Saber), ''97 Ply Grand Voyager (Vincent van-go)

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Re: [MBZ] OT - home hot and cold water filters update

2008-11-11 Thread Craig McCluskey
On Tue, 11 Nov 2008 19:37:35 -0600 OK Don [EMAIL PROTECTED] wrote:

 ... and the wife is happy!

The most important part ...

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Re: [MBZ] OT - home hot and cold water filters update

2008-11-10 Thread Craig McCluskey
On Mon, 10 Nov 2008 22:18:14 -0600 OK Don [EMAIL PROTECTED] wrote:

 The water now tastes oily and metallic - even after running it for 15
 minutes. Is this likely coming from the old filter top casting
 (bronze) or the iron pipe reducers and nipples?

I would suspect the iron pipe reducers and nipples, particularly if you
didn't clean the machining oil off of them.


Craig

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