Jun 3, 2005 #1 wzal Mechanical Joined Mar 18, 2004 Messages 35 Location US Hi, we are planning to convert the refrigerant of a cascade system from R23 to R508B (Suva 95). Is it necessary to change the expansion valve? Thanks,
Hi, we are planning to convert the refrigerant of a cascade system from R23 to R508B (Suva 95). Is it necessary to change the expansion valve? Thanks,
Jun 3, 2005 #2 imok2 Mechanical Joined Oct 21, 2003 Messages 1,311 Location US wzal, you need to read this: http://www.dupont.com/suva/na/usa/literature/pdf/h65923-3.pdf Upvote 0 Downvote