CTA RO Membranes

Commercial/Industrial CTA / CAB RO Membrane Elements

Membrane Model #	Permeate Flow Rate		Size (Inches)	Minimum Salt Rejection	Specification Sheets
Membrane Model #	Gals/Day	Liters/Day	Size (Inches)	Minimum Salt Rejection	Specification Sheets
M-C2514A	80	303	2.5 × 14	96
M-C2521A	117	443	2.5 × 21	96
M-C2540A	250	949	2.5 × 40	96
M-C4021A	350	1325	4.0 × 21	96
M-C4040A	1000	3785	4.0 x40	96

Note:

Performance specifications based on, 2000 mg/L sodium chloride, 225 psi (1.6 MPa) applied pressure, 77°F (25°C) feed water temperature, pH 5-6 and 10% recovery. Element Permeate flow may vary ± 15%.

Cellulose Acetate Reverse Osmosis Membrane
Actual sizes pictured below

DIMENSIONS- CTA Membranes

Model No.

L
Inches	Cm

I
Inches	Cm

D
Inches	Cm

M-C2514A

35.6

2.5

6.4

M-C2521A

53.3

2.5

6.4

M-C2540A

101.6

2.5

6.4

M-C4021A

53.3

3.9

9.9

M-C4040A

101.6

3.9

9.9

RECOMMENDED OPERATION CONDITIONS- CTA Membranes

Maximum Applied Pressure	300 psi (2.1 MPa)
Maximum Feed Flow Rate - 2.5" elements: 4" elements:	6 gpm 17 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	5:1

MEMBRANE PHOTOS

M-C2514A

M-C2521A

M-C2540A

M-C4021A

M-C4040A

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