Specifications

Appendix A
Table 1 - Maximum Allowable Drain Length
Operating
Pressure
0 ft (0 m) 2 ft (0.6 m) 4 ft (1.2 m) 6 ft (1.8 m) 8 ft (2.4 m) 10 ft (3 m)
30 psi (210 kPa) 60 ft (18 m) 50 ft (15 m) 30 ft (9 m) 15 ft (5 m) Not allowable Not allowable
40 psi (279 kPa) 100 ft (30 m) 90 ft (27 m) 70 ft (21 m) 50 ft (15 m ) 30 ft (9 m) 12 ft (4 m)
50 psi (349 kPa) 145 ft (41 m) 115 ft (35 m) 80 ft (24 m) 80 ft (24 m) 60 ft (18 m) 40 ft (12 m)
60 psi (419 kPa) 100 ft (30 m) 100 ft (30 m) 85 ft (26 m) 60 ft (18 m)
80 psi (559 kPa)
Normal Installation should not require
more than 100 ft (30 m) of drain line
140 ft (43 m) 120 ft (37 m)
100 psi (669 kPa) 150 ft (46 m)
Table 2 - Media Volumes and Freeboard
Model Cullex (f
t3
) Cullsan (lbs) Freeboard (in)
8” Model 0.7 6 20.5 - 21.5
Model 30 1.0 15 13
Model 45 1.5 15 15
Model 60 2.0 16 16
Table 3 - Flow Rates
Model Service
Backwash/Fast
Rinse
Brine Draw Slow Rinse Refill
8” Model 5.9 gpm @ 12 psi 1.1 - 1.6 gpm 0.44 gpm 0.27 gpm 0.45 gpm
Model 30 9.0 gpm @ 12 psi 1.6 - 2.2 gpm 0.44 gpm 0.27 gpm 0.45 gpm
Model 45 9.6 gpm @ 15 psi 1.6 - 2.2 gpm 0.44 gpm 0.27 gpm 0.45 gpm
Model 60 10.0 gpm @ 15 psi 2.6 - 4.0 gpm 0.93 gpm 0.27 gpm 0.80 gpm
Appendix A 55