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2012-03-14, 5:06pm
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Junior Member
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Join Date: Feb 26, 2012
Posts: 19
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Help finding b-type extension hose for propane
Hello
I need to find an extension hose to connect the 2 pictured type b fittings.
My local search has returned no luck.
Thanks
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2012-03-14, 5:35pm
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Senior Member
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Join Date: Jun 04, 2011
Location: Fredericksburg, VA
Posts: 210
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Are you looking for a Y fitting to connect both of them? If so they are a standard part at a welding supply.
Or, if you just need an adaptor, they should also have that.
It looks like you just need a standard hose though, which you can get at any welding supply. Just be sure you get one rated for use with propane, not acetylene. The cheapo ones will rot from the LE and be dangerous.
If you can be more specific about what you are trying to do I can help better...
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2012-03-14, 5:39pm
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Junior Member
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Join Date: Feb 26, 2012
Posts: 19
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The one I am holding is the adapter from the 5L propane tank - the torch is the same size, I am able to attach the same type b adapter that the oxygen uses to the thread size.
I need a 2-4 foot extension to connect those 2 male ends together.
a female - female extension cord with a type b(I think/assume) connector. It is a 3/8" Thread.
I called 4 welding stores I could find and none of them offer retail sales...
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2012-03-14, 9:01pm
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Gentleman of Leisure
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Join Date: Jun 10, 2005
Location: A Little Bit West of Yosemite Valley
Posts: 5,200
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What bothers me with your picture is you seem to be trying to put hose directly from propane tank connector directly to torch connector... You need a REGULATOR attached to fitting that goes into propane tank.... Output pressures at tank outlet is about 120 psi or 8.2 bar.... Torch only requires 0.5 to 8 psi or 0.03 to 0.56 bar... The torch CAN NOT OPERATE at direct tank pressure...
A good propane (acetylene) regulator should have same outlet connector size as torch so "standard" (fuel) welding hose should work..
OR a fixed pressure regulator might be more appropriate...
A actual "B" fitting (CGA 023) is a 9/16 X 18 (ultra fine thread) The 3/8 fitting is probably NPT (National Pipe thread, both will be left-hand thread by groove in hex areas. IT will be easier to exchange larer fottong to smaller fitting and use standard welding hose...
Dale
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San Francisco - A Few Toys Short of a Happy Meal
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2012-03-15, 6:01pm
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Curmudgeon Engineering
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Join Date: Feb 15, 2006
Location: Near Seattle, WA
Posts: 1,723
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If you have the hose; 'T' grade fuel gas hose usually red but may be black. You can buy a couple 'B' connector barb fittings and assemble your own hose any length you need. Just push the barbed end of the fittings into the hose ends, secure with a hose clamp on both ends and you're done... 10 minutes.
Dale is correct. You need some form of regulator between the torch and the propane tank.
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2012-03-15, 7:01pm
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Gentleman of Leisure
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Join Date: Jun 10, 2005
Location: A Little Bit West of Yosemite Valley
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The fittings "cheng076" is referring are barbed 9/16 x 18 female (standard welding hose) ...
Dale
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San Francisco - A Few Toys Short of a Happy Meal
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2012-03-15, 7:34pm
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Junior Member
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Join Date: Feb 26, 2012
Posts: 19
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Quote:
Originally Posted by Dale M.
What bothers me with your picture is you seem to be trying to put hose directly from propane tank connector directly to torch connector... You need a REGULATOR attached to fitting that goes into propane tank.... Output pressures at tank outlet is about 120 psi or 8.2 bar.... Torch only requires 0.5 to 8 psi or 0.03 to 0.56 bar... The torch CAN NOT OPERATE at direct tank pressure...
A good propane (acetylene) regulator should have same outlet connector size as torch so "standard" (fuel) welding hose should work..
OR a fixed pressure regulator might be more appropriate...
A actual "B" fitting (CGA 023) is a 9/16 X 18 (ultra fine thread) The 3/8 fitting is probably NPT (National Pipe thread, both will be left-hand thread by groove in hex areas. IT will be easier to exchange larer fottong to smaller fitting and use standard welding hose...
Dale |
Hi Dale.
My tank has a regulator on it.
The tank hose threading is 1/4", I have an adapter to convert to 3/8.
Now all I need to do is connect the 2 3/8ths together.
The tank HAS the regulators, flashback arrestor is ON order.
The hose I need is only to connect my adapter to my torch.
I have the barbed females. - so a 3/8th female to an open hose capable of a tight fitting on that barbed female will work as well.
This is what I need.
http://www.amazon.com/gp/product/B00...=ATVPDKIKX0DER
But 2-3 weeks for standard shipping...
Anyone know of a good fast webpage to order from?
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2012-03-15, 7:46pm
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Junior Member
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Join Date: Feb 26, 2012
Posts: 19
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But now I am confused
These measurements made me think something was off.
The hose from the regulator has a slightly LARGER thread size then the "b" hreads....
But in the diagram, the NPT is listed as 1/4 (it is like 5/8th in diameter)
And the B Type says 3/8ths(it is more like 4.5/8th in diameter)
I need a female to female of the smaller thread size.
Jeeze this last part is more complicated for me then ventilation!
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2012-03-15, 10:46pm
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Curmudgeon Engineering
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Join Date: Feb 15, 2006
Location: Near Seattle, WA
Posts: 1,723
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There is a big difference in actual measurments to designated sizes in smaller pipe/tube/ thread sizes. The 1/4" NPT will measure out at about 5/8" so you have the correct designated size. Female to female 'B' fittings are sometimes hard to find; you may have to order them.
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2012-03-16, 8:57am
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Gentleman of Leisure
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Join Date: Jun 10, 2005
Location: A Little Bit West of Yosemite Valley
Posts: 5,200
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Any NPT (National Pipe Thread) components (outside diameter and thread pitch) are based on relationship to inside diameter of pipe or fitting not the outside diameter or threaded portion diameter...
The is a is also distinction between "plumbing" parts (NPT) used for water and other liquids and some gasses and industry standards for "welding" and high pressure plumbing or "connections"...
For high pressure gasses (CGA) a good references is ...
(for instance your "fuel" tank connector is a CGA 510)
http://www.concoa.com/cgachart.html
For finding parts of plumbing (NPT) and CGA fittings and high pressure gasses...
http://www.westernenterprises.com/enterprises/
For basic "plumbing" (NPT)
http://www.engineeringtoolbox.com/np...ads-d_750.html
http://thread-chart.ueuo.com/NPT-Thr...ification.html
Dale
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San Francisco - A Few Toys Short of a Happy Meal
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2012-03-16, 9:09am
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Gentleman of Leisure
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Join Date: Jun 10, 2005
Location: A Little Bit West of Yosemite Valley
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Quote:
Originally Posted by GoodSmeagol
Hi Dale.
My tank has a regulator on it.
The tank hose threading is 1/4", I have an adapter to convert to 3/8.
Now all I need to do is connect the 2 3/8ths together.
The tank HAS the regulators, flashback arrestor is ON order.
The hose I need is only to connect my adapter to my torch.
I have the barbed females. - so a 3/8th female to an open hose capable of a tight fitting on that barbed female will work as well.
This is what I need.
http://www.amazon.com/gp/product/B00...=ATVPDKIKX0DER
But 2-3 weeks for standard shipping...
Anyone know of a good fast webpage to order from? |
IF you expect that hose to connect to torch it will not... Torch is NOT a 3/8 fitting it is 9/16 you will ruin fitting on torch and hose and it will not seal correctly (If you can ever get it to go on) ....
Also fitting on regular and torch are left-hand (counter clockwise), threads on MR. Heater hose are right-hand ( clockwise)...
IF you need some thing (anything) and you have a "part number" try GOOGLE shopping or BING shopping or The Find".... Many ways to find anything you want, you only need a basic "grasp" on what part is or part number and really good search tool....
http://lmgtfy.com/?q=F271149-36
http://lmbtfy.com/?q=F271149-36
Dale
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San Francisco - A Few Toys Short of a Happy Meal
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2012-03-16, 1:41pm
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Junior Member
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Join Date: Feb 26, 2012
Posts: 19
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Ok, so can someone PLEASE either identify a part number I need, or direct me to where I can find the proper hose?
This address... http://www.amazon.com/gp/product/B00...=ATVPDKIKX0DER This is the ONLY hose slightly similar to the one I THINK I need, that I can find anywhere.
The the above picture of my torch... both of those threads fit the barbed 9/16 x 18 female pictured by Dale.
I need to connect the 2.
The propane tank HAS a regulator on it.
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2012-03-16, 4:12pm
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Junior Member
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Join Date: Feb 26, 2012
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Quote:
Originally Posted by Dale M.
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Placed the order with Mcmaster - thanks for the link!
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2012-03-27, 7:36am
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Gentleman of Leisure
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Join Date: Jun 10, 2005
Location: A Little Bit West of Yosemite Valley
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Any progress to report???
Dale
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San Francisco - A Few Toys Short of a Happy Meal
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2012-03-31, 11:52pm
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Cave Dweller
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Join Date: Mar 29, 2012
Posts: 275
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Quote:
Originally Posted by Dale M.
Any progress to report???
Dale
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HAHA !!!
That O2 hose on the first barb is simply awesome.
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2012-04-01, 3:37pm
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Junior Member
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Join Date: Feb 26, 2012
Posts: 19
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Quote:
Originally Posted by Dale M.
Any progress to report???
Dale
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Actually turned out rather simple, I went to http://artistryinglass.on.ca/home.php and ordered the proper hose from them, I got a oxygen grade hose as well which I do not need because I run Oxycon, however will be nice to have in the future.
The Mcmaster site denied my order because I am a Canadian....
Then, the day it arrived, I had to dismantle the setup I built, because I found a new apartment that will offer me twice the work space. Sooooo when I move, I will have EVERYthing ready to get setup!
Thanks for the help Dale.
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