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Peter_1
09-02-2007, 09:13 PM
This was several times a question: how to calculate capillary tubes.
Look once on the Danfoss site http://www.danfoss.com/Denmark/BusinessAreas/Refrigeration+and+Air+Conditioning/Product+Selection+Tools+Details/DanCap.htm

English and IP and SI units

Brian_UK
10-02-2007, 12:34 AM
Good one Peter and for those wanting english try here..
http://www.danfoss.com/United_Kingdom/BusinessAreas/Refrigeration+and+Air+Conditioning/Product+Selection+Tools+Details/DanCap.htm

berry515
13-06-2007, 04:07 AM
thank you Peter and Brian

The MG Pony
13-06-2007, 07:01 PM
good find mate!

mohamed khamis
14-06-2007, 10:24 AM
Thank you so much Peter and Brian for wonderful link and software.

Mish
14-01-2009, 08:41 PM
Hi All
I have water chiller system that im resiting, the water tank is now going to be outside of the enclosure so i need to extend my pipe run which involves lengthening the cap tube coming off the TEV and back into the suction line. The cap tube is connected to the TEV via a flared end and nut fitting, but im not sure if i need a specialist piece of pipe or how the cap tube enters the suction line. Also what determines the length of cap tube?

Brian_UK
14-01-2009, 09:09 PM
Hi All
I have water chiller system that im resiting, the water tank is now going to be outside of the enclosure so i need to extend my pipe run which involves lengthening the cap tube coming off the TEV and back into the suction line. The cap tube is connected to the TEV via a flared end and nut fitting, but im not sure if i need a specialist piece of pipe or how the cap tube enters the suction line. Also what determines the length of cap tube?
:off topic: Please start your own thread if discussing a different subject.

The tube connected to your TEV is not an expansion line - simply extend it as required.

US Iceman
14-01-2009, 09:36 PM
Hi All
I have water chiller system that im resiting, the water tank is now going to be outside of the enclosure so i need to extend my pipe run which involves lengthening the cap tube coming off the TEV and back into the suction line. The cap tube is connected to the TEV via a flared end and nut fitting, but im not sure if i need a specialist piece of pipe or how the cap tube enters the suction line. Also what determines the length of cap tube?

That does not sound like a cap tube, but an external equalizer tube.

dsp
15-01-2009, 02:52 AM
Thanks guys good work..
dsp

Mish
15-01-2009, 07:56 AM
Hey Brian, Iceman, sorry for the topic change, but thank you for your advice. So am i right in thinking there is nothing that determines the length of the equalizer tube?

gulshan kumar
15-01-2009, 06:44 PM
thanks very nice software

regards

gulshan kumar

jose regueiro
17-01-2009, 04:47 PM
TECUMSEH have a program too
cap_tube_english.zip

search "aplications software"
xxxx:/xxx.tecumseh.com.br/

Big SturL
13-02-2009, 02:02 PM
There has to be some sort of mathematical equation to calculate this. If anyone knows of such, would you please point me in the right direction?

Thanks!

Chef
14-02-2009, 07:41 AM
There has to be some sort of mathematical equation to calculate this. If anyone knows of such, would you please point me in the right direction?

Thanks!

There is a mathematical formulae. What are you trying to calculate and for what system type. An A/C unit, a fridge, a freezer and how big is the system.

Chef

Peter_1
14-02-2009, 09:42 AM
Hey Brian, Iceman, sorry for the topic change, but thank you for your advice. So am i right in thinking there is nothing that determines the length of the equalizer tube?

A little bit late but I think you have t read once the theory of an external equalized TEV and you will see that this is not a capillary tube.

Big SturL
19-02-2009, 08:47 AM
There is a mathematical formulae. What are you trying to calculate and for what system type. An A/C unit, a fridge, a freezer and how big is the system.

Chef
Hehe, yeah, formula was the word I was after, not equation :)

Well, I don't have a specific system in mind, just on a general basis. But if that's not very helpful, then let's say it's a system capable of removing 250W at -40C.