Condensate Drain Pipe Sizing Chart

Drain lines containing no flash steam. Imc 307 2 2 tells us that an a c condensate drain inside diameter should not be smaller than 3 4 and should not be smaller than the drain pan outlet diameter. 3 4 is sufficient for up to 20 tons according to the imc unless the drain outlet size is larger than 3 4.

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Plastic with a separate drain installed under.

Condensate drain pipe sizing chart.

When it comes to having a condensate pipe installed there are certain restrictions in terms of size and position that must be considered. Three quarters of an inch is sufficient for up to 20 tons according to the imc unless the drain outlet size is larger than in ch use t able 307 2 2 for condensate pipe sizing. Stacks shall be sized based on the total accumulated connected load at each story or branch interval as the total accumulated connected load decreases stacks are permitted to be reduced in size. Drain s 2015 imc 307 2 2 requires that an air conditioning condensate drain inside diameter should not be smaller than in ch and should not be smaller than the drain pan outlet diameter.

Stack diameters shall not be reduced to less than one half of the diameter of the largest stack size. 1 inch 25 4 mm. A rule of thumb the condensate load used to design condensate pipe lines should be twice the maximum production load. When sizing condensate return lines in steam distribution system remember that the maximum condensate flow is achieved during plant start up when pipes and equipment are heated up.

An auxiliary condensate drain pan at least 1 5 deep and at least 3 larger than the length width of the appliance beneath which it is placed using corrosion resistant material of adequate thickness 0 7mm galvanized metal or 1 6mm non metallic e g. The condensate pipe sizing chart figure 14 3 5 can be used to size any type of condensate line including. Lines consisting of two phase flow such as trap discharge lines which are selected according to the pressures either side of the trap. An auxiliary drain pan with separate drain.

What size condensate pipe do i need. The condensate pipe siz ing chart. The chart figure 14 3 5. Does not include branches of the building drain refer to table 710 1 1.

See more related questions demand is characterised as predictable high flow rates. The minimum size for the overflow pipe is 21 5mm and needs to be made from a non metallic material for allowing a reasonable flow of water waste. Condensate drain pipe sizing kw connected to the condensate drain pipe condensate drain diameter inches 0 7 0 kw 3 4 7 5 kw 1 5 kw 4 kw 2 kw 2 kw 3 kw 4 upvote 0 downvote 0 reply 0 see more answers.