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Thread: Manual expansion valve
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18-04-2019, 10:54 PM #1
Manual expansion valve
I知 looking to construct my own refrig system using r404. I want to be able to change the temperature of the evap coil. I知 looking to to vary between-30c and -50c. I知 prob going to use a compressor between 1/3 and 2/3 hp.
Is there something on the market that exists? Does it have to be packless? I could use a cap tube, but it would be a lot of guess work as I壇 like to use salvaged parts.
Thanks!
1001yos