Residential CTA / CAB Reverse Osmosis Membrane Elements

Membrane Model #	Permeate Flow Rate		Minimum Salt Rejection	Stabilized Salt Rejection	Specifications
Membrane Model #	Gals/Day	Liters/Day	Minimum Salt Rejection	Stabilized Salt Rejection	Specifications
M-C1812A10	10	38	94	98
M-C1812A15	15	57	94	98
M-C1812A20	20	76	94	98

Note:

Performance specifications based on, 500 ppm tap water, 65 psi (4.6 Bar) applied pressure,77°F (25°C) water temperature, feed water pH 5-6 and 15% recovery. Element permeate flow may vary ± 15%

Cellulose Acetate RO Membrane

DIMENSIONS- CTA Membranes

Model No.

L
Inches	Cm

I
Inches	Cm

D
Inches	Cm

M-C1812A10

11.75

29.8

10.0

1.8

4.6

M-C1812A15

11.75

29.8

10.0

1.8

4.6

M-C1812A20

11.75

29.8

10.0

1.8

4.6

RECOMMENDED OPERATION CONDITIONS- CTA Membranes

Maximum Applied Pressure	125 psi (0.86 MPa)
Maximum Feed Flow Rate	2 gpm
Maximum Operating Temperature	104° F (40° C)
Maximum Feed Water Turbidity	1 NTU
Maximum Feed Water SDI (15min)	4
Chlorine Tolerance	0.3-0.5 ppm (1 ppm Maximum)
Feedwater pH Range, Continuous Operation	4-6
Feedwater pH Range, Short-term Cleaning (30 min)	3-8
Minimum Brine Flow to Permeate Flow Ratio	4:1

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