question re Procon pump gph and psi for tig water cooler
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  1. #1
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    question re Procon pump gph and psi for tig water cooler

    I've been reading the threads on here about folks building their tig water coolers and as a result have been acquiring what I will need to make one for myself. I bought a brand new pump from Procon based upon a recommendation from this site, and ordered one that pumped 25 gallons/hour @ 45psi. Unfortunately when it got here it had a shraight extended shaft instead of the flush mount slotted one, and a three bolt mount rather than the flush to the motor clamp mount system. I contacted Procon and they will exchange it since I just got it and never touched it other than taking it out of the box, but told me to call their tech center in Nashville to be sure I ordered the right pump in exchange. What Nashville told me I should get is model 101B100F11BC060 which is what Lincoln buys from them and uses in their water coolers. The 100 after the B and 060 after the C means this model pumps 100 gallons an hour @ 055 psi. They said Miller orders a pump with the same throughput but with a different case since they have their own mounting system. I don't want to build a cooler and then have the hoses burst because I've got too much pressure, so does anyone have a reaction to this? Seems kind of silly for me to ask because if Lincoln and Miller both use these flow rates you would think they have to work, but I want to get the right pump this time.
    Last edited by jerje; 06-11-2018 at 05:56 PM.
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  2. #2
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    Re: question re Procon pump gph and psi for tig water cooler

    So the procon pump tech center tried to sell you a pump with the same specs as Lincoln and Miller...and you decided to check with random internet guys instead?

    That makes my chuckle
    Dave J.

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  3. #3
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    Re: question re Procon pump gph and psi for tig water cooler

    blush
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  4. #4
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    Re: question re Procon pump gph and psi for tig water cooler

    You don't need 100gph.
    I run 230 amps natural AC and my open loop cooler when it's over 100°F out side and it flows more like 15 gph and the discharge water is barely warm.
    I hook my wp18 up to utility water which runs 95 to 100psi, and I use a needle valve on the outlet to control flow to save water.
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  5. #5
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    Re: question re Procon pump gph and psi for tig water cooler

    I withdraw the question I've clicked around some more and there are lots of threads about building coolers on several forums including this one and 2 gallons per minute @ 50 psi and thereabouts has been touted many times. 100 gph just seemed like a lot to me but I guess that is what it is. I shipped the wrong pump back to Procon for the correct one today.
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  6. #6
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    Re: question re Procon pump gph and psi for tig water cooler

    100 GPH sounds way high. My Coolmate 3 has an IEC cooling capacity rating of about 15 GPH with a maximum of 60 GPH. That's not to say what the actual flow rate is, just a cooling rating.
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  7. #7
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    Re: question re Procon pump gph and psi for tig water cooler

    1 to 1.5 quarts per minute. Remember the flow will get choked off at the torch anyway, and that teenie hole can only flow so much. 1.5 gallons per minute is much.
    Weld like a "WELDOR", not a wel-"DERR"
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  8. #8
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    Re: question re Procon pump gph and psi for tig water cooler

    shovelon I ordered the model recommended on this site, which pumped 25 gph, because it was consistent with what you said was needed in one of your posts. Why would both Lincoln and Miller be putting pumps with a throughput of 100 gph @ 45 to 55 psi if all that is needed is 15-22.5 gph? 1-1.5 quarts per minute = 15-22.5 gph, right?
    Lincoln Power Mig 210 MP
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  9. #9
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    Re: question re Procon pump gph and psi for tig water cooler

    Quote Originally Posted by jerje View Post
    shovelon I ordered the model recommended on this site, which pumped 25 gph, because it was consistent with what you said was needed in one of your posts. Why would both Lincoln and Miller be putting pumps with a throughput of 100 gph @ 45 to 55 psi if all that is needed is 15-22.5 gph? 1-1.5 quarts per minute = 15-22.5 gph, right?
    Because the flow pressure can be adjusted. I believe they were trying to cover all sizes and flows of watercooled torches. For example my Speedway 320 torch has standard water lines of less than 1/8th". My Speedway 450 has much bigger water lines and flows more coolant under the same pressure. That is what I think. I have had nothing but trouble with Miller coolers. On hot days they have a tendency to throw the temp switch and stop flowing coolant and fry a power cable. I had to install CK fuselinks upstream of the power cables to save the power cable. I also learned to adjust the flow for the least pressure to get 1 to 1.5 quarts per min by backing out the screw until it just dribbles, then work it in to get the right flow.

    I have a multitude of procon pumps and some that I have the screw nearly falling out of the body. Basically full bypass.
    Weld like a "WELDOR", not a wel-"DERR"
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  10. #10
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    Re: question re Procon pump gph and psi for tig water cooler

    What would you suggest I do when I get this pump? I've got the 1/3hp Marathon electric motor, plan to buy a 3 or 5 gal air tank to use as a reservoir, a little fan for the radiator, and use a heater core out of a '60s car (of which I have several), and use clear tubing I suppose as lines between everything, and the proper water line connections of course.

    How do I adjust the flow? Or will the 100gph work, and everything live, even if it is way beyond what is really needed. I do not know the diameter of the water lines in the torch because I haven't acquired the water cooled torch yet.

    I am not a commercial welder and will not be camping on this thing every day.

    I appreciate your help here.
    Lincoln Power Mig 210 MP
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  11. #11
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    Re: question re Procon pump gph and psi for tig water cooler

    Ideally, your going to want to use a plastic or stainless steel tank for the reservoir.

    I would also go ahead and spring for a new radiator as well to make sure the system doesn’t end up with contaminates in it.

  12. #12
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    Re: question re Procon pump gph and psi for tig water cooler

    Quote Originally Posted by jerje View Post
    What would you suggest I do when I get this pump? I've got the 1/3hp Marathon electric motor, plan to buy a 3 or 5 gal air tank to use as a reservoir, a little fan for the radiator, and use a heater core out of a '60s car (of which I have several), and use clear tubing I suppose as lines between everything, and the proper water line connections of course.

    How do I adjust the flow? Or will the 100gph work, and everything live, even if it is way beyond what is really needed. I do not know the diameter of the water lines in the torch because I haven't acquired the water cooled torch yet.

    I am not a commercial welder and will not be camping on this thing every day.

    I appreciate your help here.
    I would bet it works fine out of the box. But you want to adust it. Only word of caution is to prime the pump before powering up as to not let it run dry. That is supremely important to me. As a matter of fact a few months ago an employee blew up a power cable and somehow drained the pump. This pump has been working for some 20 years trouble free but is showing some wear. Anyhow he powered up and went to lunch, when I came out I heard a wierd noise and immediately powered down. Powered back up to feel the torch hose had no pressure. I primed and it sucked coolant from the sump again. Geez!


    Anyway there is a little acorn nut cap right next to the big strainer acorn nut. Remove the nut and you will see the screw that tensions the bypass spring. Some screws are sealed and show through the nut for adjustment. Roll it out until the spring gets loose then tighten against the spring for some flow. Hook up some hoses to a fillet water pail, remove the strainer and fill the pump with water/lube, close the strainer, and power up. This will make sure the system flows. If not tighten the screw against the bypass spring. If all is well connect up your torch. With the intake drawing in water, fill a jug for a minute, then power down and measure the fill. Adjust screw to suit. Then build your system.
    Weld like a "WELDOR", not a wel-"DERR"
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  13. #13
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    Re: question re Procon pump gph and psi for tig water cooler

    Thank you sir.
    Lincoln Power Mig 210 MP
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    Miller Spectrum 125c
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  14. #14
    Join Date
    Oct 2016
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    78

    Re: question re Procon pump gph and psi for tig water cooler

    guess you can make a poor mans version with a 5 gallon homer bucket, a transmission cooler, and some old computer fans... just depends on the duration of your welding sessions.

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