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Old 10-31-2010, 06:08 PM   #11 (permalink)
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Default Re: Welding tank regulators for co2

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Originally Posted by barbarossa4122 View Post
Hi Left C,

If the delivery range is between 5 to 125 psi can we use it for our application ?
What you are really seeing is a regulator with a 0 to 200 psi working pressure gauge. The 0 to 125 is really psig and not psi.

1 psig = 14.7 psi or approximately 15 psi which is 1 ATM (one atmosphere)

So, the range 5 to 125 psig is 20 to 145 in psi terms.

Many of the regulators come in 0 to 30, 0 to 60, 0 to 100 and 0 to 200 psi ranges. All of these will work for our use.
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Old 11-01-2010, 04:25 AM   #12 (permalink)
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Default Re: Welding tank regulators for co2

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Originally Posted by Left C View Post
What you are really seeing is a regulator with a 0 to 200 psi working pressure gauge. The 0 to 125 is really psig and not psi.

1 psig = 14.7 psi or approximately 15 psi which is 1 ATM (one atmosphere)

So, the range 5 to 125 psig is 20 to 145 in psi terms.

Many of the regulators come in 0 to 30, 0 to 60, 0 to 100 and 0 to 200 psi ranges. All of these will work for our use.
Then the Victor VTS 453 B -320 I just bought is not good since the psig is 5 - 125 according to http://jandrweldingsupply.com/store/Victor/Menu.html. The site also lists the Victor VTS253B-320 at 2-40 psig. I am all confused now.

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Old 11-01-2010, 07:10 AM   #13 (permalink)
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Default Re: Welding tank regulators for co2

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Originally Posted by barbarossa4122 View Post
Then the Victor VTS 453 B -320 I just bought is not good since the psig is 5 - 125 according to http://jandrweldingsupply.com/store/Victor/Menu.html. The site also lists the Victor VTS253B-320 at 2-40 psig. I am all confused now.
I can tell. You aren't reading it correctly.

It's like I told you on another forum about that regulator. Your model is the "B" model. J&R regulators only lists the "D" model for CO2 use. You need to look at the specs for the "B" model, not the "D" model. The "B" model is rare and it is very good for our use. It has a 0 to 60 psi working pressure gauge. It works at 2 to 40 psig or 17 to 55 psi.

Victor does a good job in that they have "A", "B", "C", "D", "E", etc models of regulators. All "A" models work in the same pressure range as do the others.
A model - 0 to 15 psig, 0 to 30 psi gauge
B model - 2 to 40 psig, 0 to 60 psi gauge
C model - 2 to 60 psig, 0 to 100 psi gauge
D model - 5 to 125 psig, 0 to 200 psi gauge
E model - 10 to 200 psig, and so forth up to the "K" models.

Some of Victor specialty regulators' models are listed by a number instead of a letter. They are "15", "40", "60", "125" and "200" models that follow the same guidelines. The pressure range of the "15" model is the same as the "A" model and so forth.

BTY, the regulator in my avatar is the "D" model with its 5 to 125 psig working pressure.

Check out page 4 of this Victor catalog. It has the part numbers decoded: http://www.thermadyne.com/IM_Uploads...76_65-2007.pdf

Page 10 lists the VTS450 models.
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Old 11-01-2010, 07:20 AM   #14 (permalink)
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Default Re: Welding tank regulators for co2

Quote:
Originally Posted by Left C View Post
I can tell. You aren't reading it correctly.

It's like I told you on another forum about that regulator. Your model is the "B" model. J&R regulators only lists the "D" model for CO2 use. You need to look at the specs for the "B" model, not the "D" model. The "B" model is rare and it is very good for our use. It has a 0 to 60 psi working pressure gauge. It works at 2 to 40 psig or 17 to 55 psi.

Victor does a good job in that they have "A", "B", "C", "D", "E", etc models of regulators. All "A" models work in the same pressure range as do the others.
A model - 0 to 15 psig, 0 to 30 psi gauge
B model - 2 to 40 psig, 0 to 60 psi gauge
C model - 2 to 60 psig, 0 to 100 psi gauge
D model - 5 to 125 psig, 0 to 200 psi gauge
E model - 10 to 200 psig, and so forth up to the "K" models.

Some of Victor specialty regulators' models are listed by a number instead of a letter. They are "15", "40", "60", "125" and "200" models that follow the same guidelines. The pressure range of the "15" model is the same as the "A" model and so forth.

BTY, the regulator in my avatar is the "D" model with its 5 to 125 psig working pressure.

Check out page 4 of this Victor catalog. It has the part numbers decoded: http://www.thermadyne.com/IM_Uploads...76_65-2007.pdf

Page 10 lists the VTS450 models.
You are a treasure Left C. Thank you very, very much and ignore my recent pm please.
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