Line velocities in halocarbon refrigeration!!!!

[bjkmiami]

Hi guys...
Any recommendations regarding suction,discharge, liquid line velocities in halocarbon commercial refrigeration applications in genereal..to be more specific commercial systems with scroll compessors running with r134a 404a 407c 410a refrigerants...
thx

[integrity]

http://www2.dupont.com/Refrigerants/en_US/products/DUPREX/DUPREX_thankyou.html#.UUWrOfq9LTo

Here is link to line sizing