Performance Specifications 3
Cat. No. 01029343
Performance Specifications
Specifications for CTM Water Filters
In order to function properly, some operational parameters must be followed. They include:
1. An operating water pressure between 35 and 125 psi (241–862 kPa). If water pressure is greater than 80 psi, Cul-
ligan recommends following the IAPMO Uniform Plumbing code section 806.2 by installing a Pressure Regulating
Valve before the system. Operating on high presure for extended periods of time can increase the service frequency
of replacement parts. If water pressure can drop below the minimum water pressure, add a booster pump or operate
the pilot valve using compressed air to maintain a 35 psi (241 kPa) minimum operating pressure.
NOTE If an air compressor is used, it must be “oil free” and set at 10 psi greater than the maximum static
water pressure.
2. Operating temperature between 40° and 120°F or 4.4°–49°C.
3. Clear (non-turbid) water supplies (Less than 5 NTU).
4. Voltage of 120V, 50/60 Hz
Table 1. CTM Carbon Filter Flow Specifications.
Model 21 24 30 36
Organics Removal Flow (gpm) 12 16 25 35
Organics Removal Flow (pressure drop) 1.5 2 3 3
Dechlorination Flow (gpm) 24 31 49 71
Dechlorination Flow (pressure drop) 4 4 6 9
CV System 12 15.5 20 23.7
Backwash/Rinse Flow (gpm) 30 48 70 90
Table 2. CTM Depth Filter Flow Specifications.
Model 21 24 30 36
Continuous Service Flow (gpm) 24 32 50 71
Continuous Service Flow (Pressure Drop) 5 5 7 10
Maximum System Flow (gpm) 36 48 74 107
Maximum System Flow (Pressure Drop) 10 9 11 19
CV System 11.4 16 24.5 24.5
Backwash/Rinse Flow (gpm) 30 48 70 90
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