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  1. #1
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    Question asked the specification expansion valve



    dear,

    please advice me
    for the expansion valve danfoss specification (find attach image)
    DANFOSS type PHT 85-135 for R-22Hall Therm - water chiller.jpg

    about the intent of 135 ..... 135 TR or 135 kw (cooling capacity) ?
    or
    i have find out where knowing the expansion valve capacity above ?

    notes :
    engineering book has been lost, unit name-plate (spec.) damage
    this for water chiller unit with,
    single-stage compressor VL127 mark iii (5"x4") Hall-Therm and seawater-cooled condenser


    regards,
    apandi



  2. #2
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    Dec 2007
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    Re: asked the specification expansion valve

    http://www.ra.danfoss.com/TechnicalI...B5137_2012.pdf

    Page 25 is PHT information.
    Suggest contact Danfoss rep in your area to avoid mistakes.
    From what I see PHT1 is main valve size.
    Some orifices I see usually have TR on them!

    What is the problem with it?

  3. #3
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    Re: asked the specification expansion valve

    Noted,

    I am not sure because the plan will replace the existing unit with BITZER compact screw type CSW,
    I would need to ensure that the old unit cooling capacity because we lost the engineering book unit above

    we also did not find the old compressor displacement value
    (single-stage compressor VL127 mark iii (5"x4") Hall-Therm and seawater-cooled condenser)



    Regards,
    Apandi

  4. #4
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    Re: asked the specification expansion valve

    what is the after CSW please write full information . CSW has different sizes . do not worry about that size . you have to put right one for your new compressor.

  5. #5
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    Re: asked the specification expansion valve

    ..

    i plan to replace it with BITZER CSW-8583-125-40P
    but i doubt with cooling capacity, similar or not

    ???

  6. #6
    Join Date
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    Re: asked the specification expansion valve

    CSW-8582-125
    evaporator sst 0 c --- condenser 50c--- capacity = 335 kw
    evaporator sst 0 c --- condenser 40 c---capacity = 385 Kw
    so you have to look similar capacity for expansion valve.

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