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Thread: what is a TXV?

  1. #1
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    Apr 2007
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    what is a TXV?

    I enjoy perusing these message boards - interesting and useful information, colorful characters and always something new. However, I have yet to deduce from context what a TXV is; I can't figure it out - so I'm asking. What is a TXV? Nothing I need to know, it would just help me better understand and enjoy some of the posts.

    I trust you all will also supply some comical and border-line off-color alternatives.

    thanks, gents.

  2. #2
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    It's a Thermostatic eXpansion Valve.

    This link should help you out http://www.google.com/search?hl=en&q=txv

  3. #3
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    Talking

    Quote Originally Posted by glewis29 View Post
    It's a Thermostatic eXpansion Valve.

    This link should help you out http://www.google.com/search?hl=en&q=txv
    It's a Technically eXpensive Vag*na....LOL.
    I love to Cook...HVAC is a hobby that pays the bills!

  4. #4
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    nope, I would have never guessed those answers. Either of them, actually.

    This valve protects the compressor in the event that the high side pressure is greater than it should be? Or not. Whatever.

    It certainly makes more clear some of the back-and-forth on the different compressor types and why some would need this valve.

    I had figured the T was for trans and the V for vestite, but didn't want to pursue that any further.

  5. #5
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    Quote Originally Posted by rjans View Post
    nope, I would have never guessed those answers. Either of them, actually.

    This valve protects the compressor in the event that the high side pressure is greater than it should be? Or not. Whatever.

    It certainly makes more clear some of the back-and-forth on the different compressor types and why some would need this valve.

    I had figured the T was for trans and the V for vestite, but didn't want to pursue that any further.
    What would the X stand for in your equation? LOL.

    It controls the amount of refrigerant flow into the evaporator, by several factors. In particular, in controls the superheat, it makes sure there is not liquid flooding back to the compressor, which will slug it. It varies the flow by load in the unit.
    "Fighting Ignorance since 1973 (It’s taking longer than we thought)." The Straight Dope.

  6. #6
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    Quote Originally Posted by rjans View Post
    nope, I would have never guessed those answers. Either of them, actually.

    This valve protects the compressor in the event that the high side pressure is greater than it should be? Or not. Whatever.

    It certainly makes more clear some of the back-and-forth on the different compressor types and why some would need this valve.

    I had figured the T was for trans and the V for vestite, but didn't want to pursue that any further.

    nope......



    txv meters refrigerant flow into evap coil.

  7. #7
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    Quote Originally Posted by rjans View Post
    What is a TXV?
    Sporlan's gift to the hvac/r industry? No, I guess that was just the TEV

    Quote Originally Posted by glewis29 View Post
    It's a Thermostatic eXpansion Valve.

    This link should help you out http://www.google.com/search?hl=en&q=txv
    Do I get any kudos for showing up in the 3rd link? That post has to be over 10 years old. I guess nothing ever dies on the internet.

  8. #8
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    Yep,
    Keeps evap as full of liquid refrigerant as required, regardless of load temp.
    never say never

  9. #9
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    Quote Originally Posted by Andy Schoen View Post
    Sporlan's gift to the hvac/r industry? No, I guess that was just the TEV



    Do I get any kudos for showing up in the 3rd link? That post has to be over 10 years old. I guess nothing ever dies on the internet.
    Kudos!
    "Fighting Ignorance since 1973 (It’s taking longer than we thought)." The Straight Dope.

  10. #10
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    Talking yet another link....

    I don’t always drink beer, but when I do I prefer Dos-Equis. I am the most interesting man in the world. Stay thirsty my friends.

  11. #11
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    Quote Originally Posted by Andy Schoen View Post
    Sporlan's gift to the hvac/r industry? No, I guess that was just the TEV



    Do I get any kudos for showing up in the 3rd link? That post has to be over 10 years old. I guess nothing ever dies on the internet.
    Yes sir, you get kudos.

    Perhaps the illustration of a thumb on the end of a garden hose for the TXV. It divides high and low sides of a pressurized system.
    It's great to be alive and pumping oxygen!

  12. #12
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    Quote Originally Posted by makinmoney View Post
    It's a Technically eXpensive Vag*na....LOL.
    Haha thats great lol
    Also check out www.sporlan.com for lots more info.

  13. #13
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    Liquid refrigerant in the evaporator?

    Quote Originally Posted by contactor View Post
    Yep,
    Keeps evap as full of liquid refrigerant as required, regardless of load temp.
    Saturated vapor, liquid only if you leave off the TXV valve or restrictor.

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