Seawater — Extra Low Energy / Fouling Resistant
SW-400 HRFR
Fouling-resistant seawater reverse osmosis element engineered for challenging desalination environments, variable feed quality and applications where system uptime and reduced cleaning frequency are critical.
NSF Certification Pending
NSF certification is currently pending. These membrane elements are available for industrial and commercial applications subject to the requirements of the specific system and end use. Please contact METASORB if NSF certification is required for your application.
$900 + GST
$990 inc. GST
Estimated dispatch up to 4 weeks.
Australia-wide delivery • Freight calculated at checkout.
Key Performance
Active Area
400
ft²
Permeate Flow
7,400
GPD
Salt Rejection
99.8%
Stabilised
Feed Spacer
34
mil
Hi-Tech performance data is measured under specified test conditions. Actual element performance will depend on feed-water quality, recovery, temperature and system design.
Bulk orders or technical enquiries? admin@metasorb.com.au
Technical Data
Performance specifications.
Key technical values for the SW-400 HRFR fouling-resistant seawater reverse osmosis element.
Hi-Tech Test Conditions
32,000 ppm NaCl, 25°C, 800 psi, pH 7 and 8% recovery.
Active Area
400 ft²
37.2 m²
Permeate Flow
7,400 GPD
≈ 28,010 L/day
Stabilised Salt Rejection
99.8%
Nominal performance
Test Pressure
800 psi
55.2 bar
Feed Spacer
34 mil
Fouling-resistant configuration
Element Format
8040
8 inch × 40 inch
Operating Envelope
Operating limits.
Seawater RO systems operate under significantly higher pressure than brackish-water RO. Final system design should always follow the current manufacturer datasheet and project-specific engineering requirements.
Maximum Operating Temperature
45°C
113°F
Maximum Operating Pressure
1,200 psi
83 bar
Maximum Feed Flow Rate
75 gpm
409 L/min
pH Range
2–11
1–13 during cleaning
Maximum Feed SDI
5
SDI
Free Chlorine Tolerance
< 0.1 ppm
Pretreatment recommended
Feed Water Turbidity
1.0 NTU
Maximum
Maximum Pressure Drop
15 psi
1.0 bar per element
Physical Specifications
Standard 8040 geometry.
Full-size industrial seawater element designed around the standard 8-inch × 40-inch RO pressure vessel format.
Weight
13.80 kg
30.42 lbs
Length
40 in
1016 mm
Diameter
7.9 in
201 mm
Permeate Tube
1.125 in
29 mm
Key Features
Engineered for harsh seawater.
Dry-shipped for extended shelf life
100% vacuum leak tested for structural integrity
Compatible with standard RO housings
Specialised design to reduce biofouling and scaling
Optimised hydraulics for lower pressure drop
High durability in harsh seawater conditions
Stable performance under variable feed-water quality
Main Benefits
More uptime in difficult feeds.
Reduced cleaning frequency
Increased system uptime
Lower chemical consumption
Extended membrane lifespan
Applications
Designed for demanding seawater treatment.
Coastal desalination plants
High-fouling seawater sources
Island & offshore water systems
Marine & offshore applications
Power plants & industrial utilities
Additional Hi-Tech listed applications include drinking-water production, aquaculture and fisheries, coastal hotels and resorts, mobile water systems, remote-area supply and defence applications.
Equivalent Matching
Replacing another SWRO membrane?
Compare SW-400 HRFR against seawater membrane models from major manufacturers and identify the closest Hi-Tech equivalent.
Compare SW-400 HRFRTechnical Documentation
Need the complete technical sheet?
Access the complete Hi-Tech manufacturer performance data, test conditions, operating limits, dimensions and technical notes.
View Datasheet