Results 1 to 4 of 4
  1. #1
    solankisagar's Avatar
    solankisagar Guest

    How much gas will be required......pleaseeee help



    I am making deepfreezer need some help.
    using
    evaporator, pipe 3/8 around 50 feet
    compressor 1/2 hp
    how to calculate (or any software to calculate)how much gas will be required for this machine while charging.
    R134a



  2. #2
    Join Date
    May 2012
    Location
    England
    Age
    59
    Posts
    1,537
    Rep Power
    36

    Re: How much gas will be required......pleaseeee help

    134a


    .............................Liquid... Hot Gas
    ...............................Line.....Line (55°C)
    .......................................................................-40°C.......-30°C......... -20°C.......-10°C...........0°C

    Inches....................kg/m........gm/m...................gm/m.......gm/m.........gm/m.........gm/m........gm/m

    3/8.......................0.0595.......2.2322.................0.1488.....0.1488........0.2976........0 .5953.......0.8929


    I have it all in table form if you send me your email I will forward a copy to you (the formatting is all over the place but the original table is easy to use).


    134a 3/8 pipe in liquid is 0.0595 kg/m
    134a 3/8 pipe suction at -10 is 0.5953 gm/m

    Regards

    Rob

    .
    Last edited by Rob White; 29-11-2012 at 09:19 AM.

  3. #3
    Join Date
    Oct 2003
    Location
    Belgium
    Age
    62
    Posts
    5,645
    Rep Power
    34

    Re: How much gas will be required......pleaseeee help

    Quote Originally Posted by solankisagar View Post
    I am making deepfreezer need some help.
    using
    evaporator, pipe 3/8 around 50 feet
    compressor 1/2 hp
    how to calculate (or any software to calculate)how much gas will be required for this machine while charging.
    R134a
    Just till your SH reaches the desired value of +/- 6 to 5K. As easy as that.
    It's better to keep your mouth shut and give the impression that you're stupid than to open it and remove all doubt.

  4. #4
    Join Date
    Nov 2006
    Location
    Middle East (United Arab Emirates)
    Posts
    43
    Rep Power
    0

    Re: How much gas will be required......pleaseeee help

    Dear Rob White,
    May I request you to send me too a copy of the table. My e-mail ID is rayin123@gmail.com
    With thanks and regards
    Rayin

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •