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19-02-2009, 12:01 PM #1
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thermostatic expansion valve sizing
hi all,
i have a 1TR r22 air conditioning unit for my experiment in college. it has a capillary tube & an automatic expansion valve for the expansion purpose. we have to install a TEV to control the superheat in the system. Problem is that we are not able to find a TEV for a 1 TR unit. the lowest i found is Pr no 2059, DANFOSS, it is sized for a 4.5TR unit. Is it ok to use this valve for our purpose?
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