HYDRAMEM · Specialty membrane solutions
HM HSRO-HD
Heat sanitizable hardshell RO element.
Product description
- Membrane type
- Low energy, heat sanitizable composite polyamide
- Construction
- Spiral wound hardshell element, sanitary outer wrap
- Application
- Ultrapure water
Performance
| Model | Diameter (inches) | Active surface area ft² (m²) | Salt rejection (%) | Product flow rate gpd (l/h) |
|---|---|---|---|---|
| HM 4040-HSRO-HD | 4.0 | 85 (7.9) | 99.0 | 1500 (236) |
| HM 8040-HSRO-HD | 8.0 | 405 (37.6) | 99.0 | 9000 (1419) |
Minimum salt rejection 98%. Permeate flow may vary +/-15%.
Test conditions
- Feed water pressure
- 150 psi (10.5 kg/cm²)
- Feed water temperature
- 77 °F (25 °C)
- Feed water concentration
- 2000 ppm NaCl solution
- Recovery rate
- 15%
- Feed water pH
- 8.0
Physical dimensions
| Element | Weight kg (lb) | A mm (inches) | B mm (inches) | C mm (inches) | Permeate tube |
|---|---|---|---|---|---|
| HM 4040-HSRO-HD | 4 (9) | 1016 (40) | 99 (3.9) | 19.1 (0.75) | Male |
| HM 8040-HSRO-HD | 16 (36) | 1016 (40) | 201 (7.9) | 28.6 (1.125) | Female |
Hardshell sanitary outer wrap with diamond-shaped feed spacers and anti-telescoping devices; a brine seal is not included and not required.
Operating limits
- Maximum operating pressure
- 600 psi (42.1 kg/cm²)
- Maximum operating temperature
- 122 °F (50 °C)
- Maximum sanitizing temperature
- 85 °C (185 °F) at 25 psi maximum pressure
- Maximum sanitizing pressure
- 25 psi (1.75 bar)
- Feed water chlorine concentration
- < 0.1 ppm
- Feed water pH range, chemical cleaning
- 1 to 12
- Maximum feed water SDI (15 minute test)
- SDI < 5
- Maximum feed turbidity
- NTU < 1.0
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