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View Full Version : R290 (CARE 40) TXV sizing vs R22 Capacity



microHydro
28-11-2011, 06:26 AM
Many TXVs are sized for R22, which has a similar saturation curve to R290.

1) When selecting a TXV that has a R22 capacity rating, is there a conversion to estimate its R290 capacity?

2) Same question for Hot Gas Bypass valves