Watts R44-24-1111000 - Manual (Page 27)

VI. APPENDIX
The following tables are intended as a guide to determining the flow rates for the R44
series RO systems. All flows are in gallons per minute (GPM).
Nominal flows for systems without reject recycle
and a feed water Silt Density Index less than 3.
R44-16 R44-20 R44-24
Product (max) 20 25 30
Reject 10.8 13.5 16.2
Nominal flows for systems with reject recycle
and a feed water Silt Density Index less than 3.
R44-16 R44-20 R44-24
Product (max) 20 25 30
Reject 6.7 8.4 10
Reject Recycle 4.1 5.1 6.2
Nominal flows for systems without reject recycle
and a feed water Silt Density Index of 3 to less than 5.
R44-16 R44-20 R44-24
Product (max) 18 22.5 27
Reject 9.7 12.1 14.5
Nominal flows for systems with reject recycle
and a feed water Silt Density Index of 3 to less than 5.
R44-16 R44-20 R44-24
Product (max) 18 22.5 27
Reject 6 7.5 9
Reject Recycle 3.7 4.6 5.5