Jun 3, 2005 #1 wzal Mechanical Mar 18, 2004 35 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 Oct 21, 2003 1,311 wzal, you need to read this: http://www.dupont.com/suva/na/usa/literature/pdf/h65923-3.pdf Upvote 0 Downvote
