Tech Articles '07

WATechnology STOP Wasting Shielding Gas

Welders Typically Use 4 to 6 Times More MIG Gas Than Needed. SEE PROOF & WHY

Using CO₂ MIG Shielding Gas? Click to See How to Cut Gas Cost in Half While "GOING GREEN!"

Customers Save Millions of $'s in Shielding Gas And Improve Weld Quality - Thousands in Use –SEE LIST

Three Published Technical Articles Help Define the Benefits of Our Patented Gas Saver System AWS Journal April 2007 Welding Magazine January 2008 Welding Magazine February 2007
The Following is a Summary of the Article in the AWS Journal "GMAW SHIELDING GAS FLOW CONTROL SYSTEMS" An article was published in the American Welding Society's (AWS) April Welding Journal (page 22) with the above title. It defined what "Automatic Gas Flow Control was all about. As stated, the pressure upstream of the flow control must be a minimum of 25 psi to have this feature. That is why MIG welding gas supply systems have been set at this pressure or higher from the inception of MIG welding. Recently some "low pressure" devices have been introduced in attempt to solve shielding gas waste due to starting surge. These systems do not maintain flow. As stated in the article variations in flow of up to 65% were measured with such systems. It also suggests ways are available to retain "Automatic Flow Control" while reducing shielding gas waste. Click on the photo above for a Link to the AWS article. CLICK HERE to see the actual flow test results of standard systems compared to a commercially sold "low pressure system that mounts at the feeder.
"A WAY TO REDUCE WELDING COSTS" "Welding Magazine" summarized the benefits of our Gas Saver System in their February issue. An item not mentioned was we maintain the pressure in the system to provide automatic flow compensation for the inevitable restrictions that occur in production due to spatter accumulation, twisted torch cables etc. A minimum of 25 psi (SEE WHY) is needed to achieve this feature so with any reasonable restrictions flow remains at the preset level. Also our surge restrictor is sized to "only" effect the peak flow when starting by keeping it below about 80 CFH which improves weld start quality. It "does not" control or effect the steady state flow set by the welder. Welders appreciate the benefit! You can see the article by Clicking on the Magazine Picture.
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( * US Patent # 6,610,957; "Welding Shielding Gas Saver Device" August 26, 2003, Patent Pending in other countries) Other site material presented may be covered under 2006 issued US Patents # 7,015,412 or # 7,019,248 or may be Patent Pending.

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Last modified: 11/09/08

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