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Commercial gas Test

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Jalen_Jalen2006
Jalen_Jalen2006 Member Posts: 69
in Gas Heating

longest length method, if you add up your total length which is: your straight path to the most remote outlet all of those lengths all together. What if you get a number not within range of the table. Do you go up or down, so if I get let’s say 82 and the table is 80 or I get 65 and the table says 60? Thank you.

Comments

  • EBEBRATT-Ed
    EBEBRATT-Ed Member Posts: 18,083
    edited November 2024

    Just use the longer length. If you use the branch method the main stays the same but the branches can be smaller.

  • mattmia2
    mattmia2 Member Posts: 13,220

    if you have 63 ft you have to use the 70 ft row, if i understand which table you are using. there is also an equation to calculate the pipe size exactly from the flow, pressure drop, ad length.

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