HYDRAMEM · Seawater RO membranes
HM 4040 SWE HR
High rejection sea water RO element.
Product description
- Membrane type
- Cross-linked fully aromatic polyamide composite
- Construction
- Spiral wound element
- Application
- Sea water
- Feed spacer
- 34 mil (0.864 mm) with modified geometry
Performance
| Model | Diameter (inches) | Active surface area ft² (m²) | Salt rejection (%) | Product flow rate gpd (l/h) |
|---|---|---|---|---|
| HM 4040-SWE-HR | 4.0 | 85 (7.89) | 99.7 | 1700 (268.13) |
Test conditions
- Feed water pressure
- 800 psi (56.25 kg/cm²)
- Feed water temperature
- 77 °F (25 °C)
- Feed water concentration
- 32000 ppm NaCl solution
- Recovery rate
- 7%
- Feed water pH
- 6.5 to 7
Dimensions
| A inches (mm) | B inches (mm) | C inches (mm) | Weight lbs (kg) |
|---|---|---|---|
| 40 (1016) | 4 (101.6) | 0.75 (19.10) | 10.0 (4.5) |
All membrane elements are supplied with a brine seal, interconnector and O-rings.
Operating limits
- Maximum operating pressure
- 1200 psi (84.37 kg/cm²)
- Maximum operating temperature
- 113 °F (45 °C)
- Maximum feed flow
- 16 GPM (3.6 m³/h)
- Feed water chlorine concentration
- < 0.1 ppm
- Feed water pH range, continuous operation
- 2 to 11
- Feed water pH range, chemical cleaning
- 1 to 13
- Maximum feed water SDI (15 minute test)
- SDI < 5
- Maximum feed turbidity
- NTU < 1.0
- Maximum pressure drop per element
- 15 psi (0.10 MPa)
Also in seawater RO membranes
Connect with our water and membrane experts
Have a project, technical requirement or membrane application to discuss? Connect with our team for expert guidance and tailored water treatment solutions.
Phone hours: 9:00 AM to 5:30 PM IST, Monday to Friday and select Saturdays.