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Metalworking (rec.crafts.metalworking) Discuss various aspects of working with metal, such as machining, welding, metal joining, screwing, casting, hardening/tempering, blacksmithing/forging, spinning and hammer work, sheet metal work. |
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#1
Posted to rec.crafts.metalworking,sci.engr.joining.welding
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flowmeter plumbing - will this work?
I get tired of asking these "will this work" questions but where I live I'd have
to drive 40 miles to ask this question of a knowledgeable local source. Anyway, I have a surplus regulator which I've used for some time on a CO2 tank (plumbed in via an adapter) but which has a connector which threads correctly to e.g. an argon tank. It is a pressure regulator, though, not a flowmeter, and I want to use this in GMAW. So I got an Airco flowmeter, removed it's weird POL-like connector, bushed down the 1/4NPT to 1/8NPTF and put a 2½" 1/8" nipple, and just threaded that into the flowmeter: http://www.tinyisland.com/images/temp/flowmeter.jpg I have never seen a flowmeter cobbled onto the end of a regulator like this. I'm almost 100% ignorant in this area. Will this work correctly for me? There are two knobs, one sets the pressure on the regulator, the other on the flowmeter must be a needle valve, right? So I'd set the regulator to 30 psi on the gauge and then adjust the knob on the flowmeter to get my desired cubic feet per hour of argon? Grant Erwin Kirkland, Washington |
#3
Posted to rec.crafts.metalworking,sci.engr.joining.welding
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flowmeter plumbing - will this work?
"Grant Erwin" wrote in message ... I get tired of asking these "will this work" questions but where I live I'd have to drive 40 miles to ask this question of a knowledgeable local source. Anyway, I have a surplus regulator which I've used for some time on a CO2 tank (plumbed in via an adapter) but which has a connector which threads correctly to e.g. an argon tank. It is a pressure regulator, though, not a flowmeter, and I want to use this in GMAW. So I got an Airco flowmeter, removed it's weird POL-like connector, bushed down the 1/4NPT to 1/8NPTF and put a 2½" 1/8" nipple, and just threaded that into the flowmeter: http://www.tinyisland.com/images/temp/flowmeter.jpg I have never seen a flowmeter cobbled onto the end of a regulator like this. I'm almost 100% ignorant in this area. Will this work correctly for me? There are two knobs, one sets the pressure on the regulator, the other on the flowmeter must be a needle valve, right? So I'd set the regulator to 30 psi on the gauge and then adjust the knob on the flowmeter to get my desired cubic feet per hour of argon? Grant Erwin Kirkland, Washington You're flow meter is after the regulator, right? I think that should work. Be careful what you put in line before the regulator. Standard fittings aren't designed for 2200 psi. |
#4
Posted to rec.crafts.metalworking,sci.engr.joining.welding
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flowmeter plumbing - will this work?
On Thu, 01 Dec 2005 10:16:50 -0800, Grant Erwin
wrote: I get tired of asking these "will this work" questions but where I live I'd have to drive 40 miles to ask this question of a knowledgeable local source. Anyway, I have a surplus regulator which I've used for some time on a CO2 tank (plumbed in via an adapter) but which has a connector which threads correctly to e.g. an argon tank. It is a pressure regulator, though, not a flowmeter, and I want to use this in GMAW. So I got an Airco flowmeter, removed it's weird POL-like connector, bushed down the 1/4NPT to 1/8NPTF and put a 2½" 1/8" nipple, and just threaded that into the flowmeter: http://www.tinyisland.com/images/temp/flowmeter.jpg I have never seen a flowmeter cobbled onto the end of a regulator like this. I'm almost 100% ignorant in this area. Will this work correctly for me? There are two knobs, one sets the pressure on the regulator, the other on the flowmeter must be a needle valve, right? So I'd set the regulator to 30 psi on the gauge and then adjust the knob on the flowmeter to get my desired cubic feet per hour of argon? The only problem is knowing what pressure to set the regulator. You need to know what pressure the flow meter is calibrated for. Wayne Cook Shamrock, TX http://members.dslextreme.com/users/waynecook/index.htm |
#5
Posted to rec.crafts.metalworking,sci.engr.joining.welding
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flowmeter plumbing - will this work?
What pressure is your flowmeter calibrated for? The flowmeter is
operating at the output pressure of your regulator because the needle valve is on the outlet of the meter and if this is high your actual gas consumption will be higher than the flowmeter would seem to indicate. It's sort of like having to know your voltage as well as amps to calculate wattage. Possibly the flowmeter manufacturer could furnish this info. Engineman Grant Erwin wrote: I get tired of asking these "will this work" questions but where I live I'd have to drive 40 miles to ask this question of a knowledgeable local source. Anyway, I have a surplus regulator which I've used for some time on a CO2 tank (plumbed in via an adapter) but which has a connector which threads correctly to e..g. an argon tank. It is a pressure regulator, though, not a flowmeter, and I want to use this in GMAW. So I got an Airco flowmeter, removed it's weird POL-like connector, bushed down the 1/4NPT to 1/8NPTF and put a 2½" 1/8" nipple,and just threaded that into the flowmeter: http://www.tinyisland.com/images/temp/flowmeter.jpg I have never seen a flowmeter cobbled onto the end of a regulator like this. I'm almost 100% ignorant in this area. Will this work correctly for me? Thereare two knobs, one sets the pressure on the regulator, the other on the flowmeter must be a needle valve, right? So I'd set the regulator to 30 psi on the gauge and then adjust the knob on the flowmeter to get my desired cubic feet per hour of argon? Grant Erwin Kirkland, Washington |
#6
Posted to rec.crafts.metalworking,sci.engr.joining.welding
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flowmeter plumbing - will this work?
wrote:
What pressure is your flowmeter calibrated for? The flowmeter is operating at the output pressure of your regulator because the needle valve is on the outlet of the meter and if this is high your actual gas consumption will be higher than the flowmeter would seem to indicate. It's sort of like having to know your voltage as well as amps to calculate wattage. Possibly the flowmeter manufacturer could furnish this info. Engineman It's an Airco flowmeter, it's printed right on the scale, calibrated at 30 psig. I should have written that earlier, my bad. GWE Grant Erwin wrote: I get tired of asking these "will this work" questions but where I live I'd have to drive 40 miles to ask this question of a knowledgeable local source. Anyway, I have a surplus regulator which I've used for some time on a CO2 tank (plumbed in via an adapter) but which has a connector which threads correctly to e.g. an argon tank. It is a pressure regulator, though, not a flowmeter, and I want to use this in GMAW. So I got an Airco flowmeter, removed it's weird POL-like connector, bushed down the 1/4NPT to 1/8NPTF and put a 2½" 1/8" nipple, and just threaded that into the flowmeter: http://www.tinyisland.com/images/temp/flowmeter.jpg I have never seen a flowmeter cobbled onto the end of a regulator like this. I'm almost 100% ignorant in this area. Will this work correctly for me? There are two knobs, one sets the pressure on the regulator, the other on the flowmeter must be a needle valve, right? So I'd set the regulator to 30 psi on the gauge and then adjust the knob on the flowmeter to get my desired cubic feet per hour of argon? Grant Erwin Kirkland, Washington |
#7
Posted to rec.crafts.metalworking,sci.engr.joining.welding
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flowmeter plumbing - will this work?
STOP!!! For GOD'S sake, don't put it under pressure...it will rent a hole
in the fabric of the Universe and obliterate EVERYTHING!!! You must destroy this vile device at once!!! "Grant Erwin" wrote in message ... I get tired of asking these "will this work" questions but where I live I'd have to drive 40 miles to ask this question of a knowledgeable local source. Anyway, I have a surplus regulator which I've used for some time on a CO2 tank (plumbed in via an adapter) but which has a connector which threads correctly to e.g. an argon tank. It is a pressure regulator, though, not a flowmeter, and I want to use this in GMAW. So I got an Airco flowmeter, removed it's weird POL-like connector, bushed down the 1/4NPT to 1/8NPTF and put a 2½" 1/8" nipple, and just threaded that into the flowmeter: http://www.tinyisland.com/images/temp/flowmeter.jpg I have never seen a flowmeter cobbled onto the end of a regulator like this. I'm almost 100% ignorant in this area. Will this work correctly for me? There are two knobs, one sets the pressure on the regulator, the other on the flowmeter must be a needle valve, right? So I'd set the regulator to 30 psi on the gauge and then adjust the knob on the flowmeter to get my desired cubic feet per hour of argon? Grant Erwin Kirkland, Washington |
#8
Posted to rec.crafts.metalworking,sci.engr.joining.welding
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flowmeter plumbing - will this work?
Tom Gardner wrote:
STOP!!! For GOD'S sake, don't put it under pressure...it will rent a hole in the fabric of the Universe and obliterate EVERYTHING!!! You must destroy this vile device at once!!! Maybe I should send it off to someone in Ohio? GWE "Grant Erwin" wrote in message ... I get tired of asking these "will this work" questions but where I live I'd have to drive 40 miles to ask this question of a knowledgeable local source. Anyway, I have a surplus regulator which I've used for some time on a CO2 tank (plumbed in via an adapter) but which has a connector which threads correctly to e.g. an argon tank. It is a pressure regulator, though, not a flowmeter, and I want to use this in GMAW. So I got an Airco flowmeter, removed it's weird POL-like connector, bushed down the 1/4NPT to 1/8NPTF and put a 2½" 1/8" nipple, and just threaded that into the flowmeter: http://www.tinyisland.com/images/temp/flowmeter.jpg I have never seen a flowmeter cobbled onto the end of a regulator like this. I'm almost 100% ignorant in this area. Will this work correctly for me? There are two knobs, one sets the pressure on the regulator, the other on the flowmeter must be a needle valve, right? So I'd set the regulator to 30 psi on the gauge and then adjust the knob on the flowmeter to get my desired cubic feet per hour of argon? Grant Erwin Kirkland, Washington |
#9
Posted to rec.crafts.metalworking
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flowmeter plumbing - will this work?
On Thu, 01 Dec 2005 10:16:50 -0800, Grant Erwin
wrote: I get tired of asking these "will this work" questions but where I live I'd have to drive 40 miles to ask this question of a knowledgeable local source. Anyway, I have a surplus regulator which I've used for some time on a CO2 tank (plumbed in via an adapter) but which has a connector which threads correctly to e.g. an argon tank. It is a pressure regulator, though, not a flowmeter, and I want to use this in GMAW. So I got an Airco flowmeter, removed it's weird POL-like connector, bushed down the 1/4NPT to 1/8NPTF and put a 2½" 1/8" nipple, and just threaded that into the flowmeter: http://www.tinyisland.com/images/temp/flowmeter.jpg I have never seen a flowmeter cobbled onto the end of a regulator like this. I'm almost 100% ignorant in this area. Will this work correctly for me? There are two knobs, one sets the pressure on the regulator, the other on the flowmeter must be a needle valve, right? So I'd set the regulator to 30 psi on the gauge and then adjust the knob on the flowmeter to get my desired cubic feet per hour of argon? Grant Erwin Kirkland, Washington That's how mine is set up. |
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