mak_04
03-10-2008, 04:18 PM
1. While retrofitting from R11 to R123 float valve/orifice size is to be changed. Whether it is to be undersized/ over sized / maintained the same?
2. To improve the performance number of tubes is to be increased and impeller speed is to be increased. By how much % should each of them be increased?
2. To improve the performance number of tubes is to be increased and impeller speed is to be increased. By how much % should each of them be increased?