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Posted by Ignoramus31588 on May 19, 2008, 3:48 pm
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Please help me sort through my confusion.
I have some money to spare now.
Right now, right or wrong, I have a "pressure regulator" on my Argon
cylinder. This regulator has a T handle and regulates output
PRESSURE in PSI.
I set the pressure so that when welding steel, some rust (oxidation)
appeared after welding. Then I increased pressure by a little bit. I
think that it is a little below 10 PSI.
But, perhaps, I am doing it all wrong. Maybe I am wasting argon gas,
for example.
Would I benefit from adding on, or replacing, my regulator with a
flowmeter?
Is a flowmeter an add-on to a regulator or a replacement?
Can I have both?
Would you recommend some good, brand name flowmeter if you think that
it is useful to have one?
--
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Posted by Grant Erwin on May 19, 2008, 5:00 pm
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Ignoramus31588 wrote:
> Please help me sort through my confusion.
>
> I have some money to spare now.
>
> Right now, right or wrong, I have a "pressure regulator" on my Argon
> cylinder. This regulator has a T handle and regulates output
> PRESSURE in PSI.
>
> I set the pressure so that when welding steel, some rust (oxidation)
> appeared after welding. Then I increased pressure by a little bit. I
> think that it is a little below 10 PSI.
>
> But, perhaps, I am doing it all wrong. Maybe I am wasting argon gas,
> for example.
>
> Would I benefit from adding on, or replacing, my regulator with a
> flowmeter?
>
> Is a flowmeter an add-on to a regulator or a replacement?
>
> Can I have both?
>
> Would you recommend some good, brand name flowmeter if you think that
> it is useful to have one?
>
You need a flowmeter for MIG, and you absolutely have to have one for TIG.
You can add a flowmeter to the output of a regulator, but you have to worry
about the physical topology (many regulators don't have a 1/4"NPTF hole across
from the input nipple hole, so if you added a flowmeter it wouldn't stand up
straight) and also the pressure that the flowmeter expects.
There are two good flowmeters on the market that I like. One is the Victor HRF,
the smallest series. The other is the Harris 355. You should be able to pick up
either used on ebay for about $60. Knowing you, you'll find a better deal.
You have no idea how many cubic feet of gas you are flowing right now, Igor.
Grant
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Posted by Ignoramus31588 on May 19, 2008, 5:43 pm
Please log in for more thread options Thanks, Grant and Pete. I ended up buying this Victor HRF 1425-580
flowmeter:
Victor Medalist Inert Gas Flow Meter HRF 1425-580
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=260241564472
The price was $58 with shipping included.
What would be the optimium CFH setting?
i
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Posted by Grant Erwin on May 19, 2008, 6:10 pm
Please log in for more thread options Ignoramus31588 wrote:
> Thanks, Grant and Pete. I ended up buying this Victor HRF 1425-580
> flowmeter:
>
> Victor Medalist Inert Gas Flow Meter HRF 1425-580
>
> http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=260241564472
>
> The price was $58 with shipping included.
>
> What would be the optimium CFH setting?
About 20 cfh. With MIG, you turn it up a little if you start seeing bubbles
in the weld (porosities) e.g. if you are welding near an open shop door.
BTW, Igor, you need to learn the difference between Victor and Victor Medalist.
But I'm sure your flowmeter will work OK.
Grant
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Posted by Ignoramus31588 on May 19, 2008, 6:36 pm
Please log in for more thread options > Ignoramus31588 wrote:
>> Thanks, Grant and Pete. I ended up buying this Victor HRF 1425-580
>> flowmeter:
>>
>> Victor Medalist Inert Gas Flow Meter HRF 1425-580
>>
>> http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=260241564472
>>
>> The price was $58 with shipping included.
>>
>> What would be the optimium CFH setting?
>
> About 20 cfh. With MIG, you turn it up a little if you start seeing bubbles
> in the weld (porosities) e.g. if you are welding near an open shop door.
>
> BTW, Igor, you need to learn the difference between Victor and Victor Medalist.
>
> But I'm sure your flowmeter will work OK.
OK Grant... Tell me what is the difference? Is that the case of a fake
brand?
--
Due to extreme spam originating from Google Groups, and their inattention
to spammers, I and many others block all articles originating
from Google Groups. If you want your postings to be seen by
more readers you will need to find a different means of
posting on Usenet.
http://improve-usenet.org/
|
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>
> I have some money to spare now.
>
> Right now, right or wrong, I have a "pressure regulator" on my Argon
> cylinder. This regulator has a T handle and regulates output
> PRESSURE in PSI.
>
> I set the pressure so that when welding steel, some rust (oxidation)
> appeared after welding. Then I increased pressure by a little bit. I
> think that it is a little below 10 PSI.
>
> But, perhaps, I am doing it all wrong. Maybe I am wasting argon gas,
> for example.
>
> Would I benefit from adding on, or replacing, my regulator with a
> flowmeter?
>
> Is a flowmeter an add-on to a regulator or a replacement?
>
> Can I have both?
>
> Would you recommend some good, brand name flowmeter if you think that
> it is useful to have one?
>