Hydranautics SanRO-HS2-4 Sanitary Heat-Sanitizable Reverse Osmosis Membrane Element
Hydranautics composite-polyamide spiral-wound elements deliver proven, reliable performance for food, beverage, dairy and pharmaceutical water requiring hot-water sanitization. The SanRO-HS2-4 is manufactured by Hydranautics, a Nitto Group company and a global leader in RO, NF and UF membranes.
📄 Download the Hydranautics Datasheet (PDF)
Performance Specifications
| Specification | Value |
|---|---|
| Manufacturer | Hydranautics (a Nitto Group Company) |
| Series | SanRO |
| Element Size | 4040 |
| Configuration | Sanitary (Full-Fit) Spiral Wound |
| Membrane Polymer | Composite Polyamide |
| Active Membrane Area | 90 ft2 (8.4 m2) |
| Permeate Flow Rate | 3,000 gpd (11.4 m3/d) |
| Salt / Nominal Rejection | 99.6% |
| Minimum Rejection | 99.4% min. |
| Shipping Weight | ~11 lbs (boxed) |
| Shipping Dimensions | 6" × 44" × 6" (boxed W × L × D) |
| HS Code (Tariff) | 8421.21.0000 — water filtering/purifying apparatus |
Operating & Limiting Conditions
| Parameter | Limit |
|---|---|
| Maximum Applied Pressure | 600 psig (4.14 MPa) |
| Maximum Operating Temperature | 131 F (55 C) |
| Free Chlorine Tolerance | < 0.1 ppm |
| pH Range — Operating | 2.0 - 10.0 |
| pH Range — Cleaning | 1.0 - 12.0 |
| Maximum Pressure Drop | 60 psig (0.41 MPa) for a vessel |
Physical Dimensions
| Dimension | Value |
|---|---|
| Overall Length | 40.0 (1016) |
| Diameter | 3.98 (101.1) |
| Permeate Tube | 0.750 (19.1) O.D. |
| Fits Pressure Vessel | nominal 4-inch I.D. |
Performance based on Hydranautics standard test conditions: 225 psig (1.55 MPa), 1500 mg/l NaCl, 15% Recovery, 77 F (25 C). Individual element flow may vary ±15%. Reference: official Hydranautics (membranes.com) datasheet.
Typical Applications
- Food and beverage process water
- Dairy and pharmaceutical water
- Hot-water sanitizable RO systems
- High-purity process streams
Frequently Asked Questions
What is the Hydranautics SanRO-HS2-4?
A 4040 sanitary heat-sanitizable reverse osmosis membrane element from Hydranautics, producing up to 3,000 gpd (11.4 m3/d) at 99.6% rejection.
What is the rated flow and rejection?
Up to 3,000 gpd (11.4 m3/d) at 99.6%, at standard test conditions (225 psig (1.55 MPa), 1500 mg/l NaCl, 15% Recovery, 77 F (25 C)).
What pressure vessel does it fit?
A nominal 4-inch I.D. RO pressure vessel.
What is the price of the SanRO-HS2-4?
Contact ForeverPure at 408-969-2688 or sales@foreverpureplace.com for current pricing and availability.
