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Old 07-31-2008, 06:11 AM   #15
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Steel vs Aluminum

Quote:
Originally Posted by overlander63 View Post
If your tanks are aluminum, it would be worthwhile to get them recertified, as the new aluminum tanks are kind of pricey.
Overland63 is right.

Here is a article I wrote that gives the full run down.

Click here

If you have steel tanks it is best just to replace the tanks.

If you have Aluminum you will want to repair them as they are so much nicer.

Most places that test tanks will replace the valves but have a hard time getting the right ones. Due to the shape of the tank the valves are differant from th steel ones.

Here is a link to the 30 Aluminum OPD Valves


Here is a link to the 40 Aluminum OPD Valves


It is always best to replace the hoses too. The new hand tighen is WAY better than the old " get out the wrench" style.

Dan
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Old 07-31-2008, 10:48 AM   #16
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Quote:
Originally Posted by Dan4odm View Post
Overland63 is right.

Here is a article I wrote that gives the full run down.

Click here

If you have steel tanks it is best just to replace the tanks.

If you have Aluminum you will want to repair them as they are so much nicer.

Most places that test tanks will replace the valves but have a hard time getting the right ones. Due to the shape of the tank the valves are differant from th steel ones.

Here is a link to the 30 Aluminum OPD Valves


Here is a link to the 40 Aluminum OPD Valves


It is always best to replace the hoses too. The new hand tighen is WAY better than the old " get out the wrench" style.

Dan
Great artical! Thank you so much..It was very helpful
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Old 07-31-2008, 01:54 PM   #17
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1977 Argosy 24 Tire Sizes

Howdy.....
I just bought a 77 argosy......
Have to put tires and rims on it......
It had some 125/15r75 15 car radials on it...........
Iam thinking of putting some 225/R75/15 back on it....
Will these work on that Argosy??
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Old 07-31-2008, 04:51 PM   #18
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Quote:
Originally Posted by BigMike View Post
Howdy.....
I just bought a 77 argosy......
Have to put tires and rims on it......
It had some 125/15r75 15 car radials on it...........
Iam thinking of putting some 225/R75/15 back on it....
Will these work on that Argosy??

Hi Mike, Welcome to the Airstream world ! I would not use car radial tires. It will cause your trailer to sway when towing. The side walls are not sturdy enough from what I have read on the forum here.

When I replace mine I am going to look into getting 16 inch rims and using 16 inch tires. There are some great articles on different tires under the repair section of the forum.

Look in your manual or on the name plate tag on your trailer for the correct size tires and air pressure. If you cannot locate this contact a Airstream dealer for the correct tires.
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Old 08-01-2008, 05:13 PM   #19
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Red face Argosy 24 Tires......

Howdy....
On that Argosy 24......
I meant it had 215/R75/15...not 125!!
Couldn't figure out how to EDIT!!
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Old 08-01-2008, 07:38 PM   #20
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Just a quick price point back on topic. In the Portland Oregon area I just went to the local experts, Suburban Propane. Talked with a guy that corrected all my miss understanding about aluminum needed a different valve size and they put new OPD and recerted for <$40 per tank.

I've a happy customer.
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Old 08-02-2008, 12:52 PM   #21
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Originally Posted by ronstory View Post
Just a quick price point back on topic. In the Portland Oregon area I just went to the local experts, Suburban Propane. Talked with a guy that corrected all my miss understanding about aluminum needed a different valve size and they put new OPD and recerted for <$40 per tank.

I've a happy customer.
Huh? The valve size is the same but the dip tube is different length. If I remember correctly, the aluminum tank is just a little taller than the same size steel tank. Correct me if I am wrong on this one.
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Old 08-02-2008, 01:10 PM   #22
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Aluminum tanks are a few inches taller then the steel. Adjustments need to be made when changing from one to the other.
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Old 08-02-2008, 01:37 PM   #23
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Thanks Richard, I thought that was the case.
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Old 08-04-2008, 04:33 PM   #24
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Actually the guy at the shop said the difference was due to the shape of the top of tank between the aluminum and the steel version. I don't remember all the details, but it was something like the 40lb steel tank value would work with th 30lb aluminum tank will the loss of about a 0.2 gallon capacity. The plus is that it can be easily replaced at any propane shop.
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Old 08-05-2008, 05:23 AM   #25
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40 and 30

Quote:
Originally Posted by ronstory View Post
the 40lb steel tank value would work with th 30lb aluminum tank will the loss of about a 0.2 gallon capacity.
The steel tank Valves are supose to be used on the steel tanks, and the aluminum valves are suppose to be used on the aluminum tanks.

If there is any lose, or improper use of an item, my guess is that it would not be leagal. The overfill protection device OPD is to keep the tank from being overfilled. It is important that the gas has room in the tank if it gets warm and needs to expand. If the gas can not expand then it will explode. It is important that the proper valve be used on the proper tank.

Here is a link to the 30 lbs aluminum valves

Here is a link to the 40 lbs aluminum valves

Dan
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Old 08-07-2008, 10:58 PM   #26
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Dan--

Thanks for the info... I'll ping the propane guys when I get back from vacation out of curiosity.
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Old 08-08-2008, 08:27 AM   #27
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You might as well get the valve with the correct length in order to use all the available space in the tank.
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Old 08-10-2008, 03:56 AM   #28
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Yes, the using the 40lb steel tank valve in the 30lb Al tank apparently reduces the usable capacity by 0.1 to 0.2 gallons but also gives you more margin of safety for expanding gas in hot climates. This is about a 2-3% reduction in capacity which based on my experience of "real-world feel" is not noticable... but measurabe for the curious.
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