CK4040FM
Part of CK Series Water Softening NF Elements (Cellulose Acetate)



The C-Series family, a triacetate/diacetate blend, has a higher flux and better mechanical stability than standard cellulose acetate. C-Series elements offer a lower per element cost and increased chlorine resistance compared to thin-film elements.
Literature
Specifications
- Active Area
- 90 ft² / 8.4 m²
- Boxed Weight
- 3.5 kg / 8 lb
- Dimension B
- OD: 1.90 cm / 0.75 in
- Dimension C (Outside Diameter)
- 9.9 cm / 3.9 in
- Flow Average
- 7.6 m³/day / 2000 gpd
- Outer Wrap
- Fiberglass
- Part Number
- 1233930
Note
Average salt rejection after 24 hours operation. Individual flow rate may vary +25%/-15%.
Testing conditions: 2,000 ppm MgSO4 solution at 225 psig (1,551 kPa) operating pressure, 77°F, pH 6.5 and 15% recovery.
Note
These elements ship dry.
Trademark of General Electric Company; may be registered in one or more countries.
Line Specifications
- Chlorine Tolerance
- 1 ppm Maximum Continuous
30 ppm for 30 min. During Sanitization - Cleaning Range Recommended pH
- 3.0 – 8.0
- Dimension A (Length)
- 101.6 cm / 40.0 in
- Feedwater
- NTU < 1, SDI < 5
- Maximum Cleaning Temperature
- 30 °C / 86 °F
- Maximum Operating Temperature
- 30 °C / 86 °F
- Maximum Pressure
- 3103 kPa / 450 psig
- Membrane
- C-series, Cellulose Acetate
- Operating Range Recommended pH
- 5.0 – 6.5
- Recommended Pressure Drop Over an Element
- 83 kPa / 12 psig
- Recommended Pressure Drop Per Housing
- 345 kPa / 50 psig
- Salt Rejection Average (MgSO<sub>4</sub>)
- 97.0 %
- Salt Rejection Minimum (MgSO<sub>4</sub>)
- 94.0 %
- Typical Operating Flux
- 10 – 18 GFD / 17 – 30 LMH
- Typical Operating Pressure
- 414 – 1379 kPa / 60 – 200 psig
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