Brackish 4040 — Standard
BW-34-4040
Standard 4040 brackish-water reverse osmosis element designed for commercial and smaller-scale water treatment systems requiring reliable flow, rejection and straightforward system integration.
Key Performance
Active Area
80
ft²
Permeate Flow
2,400
GPD
Salt Rejection
99.5%
Stabilised
Format
4040
Commercial RO
Performance values are based on Hi-Tech's specified test conditions and should be considered alongside actual feed-water and system operating conditions.
Technical Data
Performance specifications.
Key performance values for the BW-34-4040 standard commercial brackish-water reverse osmosis element.
Active Area
80 ft²
7.5 m²
Permeate Flow
2,400 GPD
9,085 L/day
Stabilised Salt Rejection
99.5%
Nominal performance
Operating / Test Pressure
150 psi
10.3 bar
Element Format
4040
4 inch × 40 inch
Membrane Type
TFC
Polyamide thin-film composite
Operating Envelope
Operating limits.
System design and operation should follow the manufacturer's current datasheet and project-specific engineering requirements.
Maximum Operating Temperature
45°C
113°F
Maximum Operating Pressure
600 psi
41 bar
Maximum Feed Flow Rate
16 gpm
60 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 4040 geometry.
Compact 4-inch element format designed for commercial and smaller-scale RO system integration.
Weight
2.70 kg
5.95 lbs
Length
40 in
1016 mm
Diameter
3.90 in
99 mm
Permeate Tube
0.75 in
19 mm
Key Features
Compact commercial RO.
Dry-shipped for extended shelf life
100% vacuum leak tested for structural integrity
Compatible with standard commercial-scale RO housings
High-performance membrane for moderate-salinity water
Optimised surface chemistry for stable flux
Main Benefits
Reliable everyday performance.
Reliable performance in varying groundwater conditions
Balanced rejection and flow efficiency
Reduced operational variability
Scalable for growing demand
Applications
Built for commercial water treatment.
Borewell / groundwater purification
Car wash & service stations
Cooling tower makeup water
Commercial water supply systems
Small-scale packaged water plants
Equivalent Matching
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Access manufacturer performance data, operating limits, dimensions and technical documentation.
View Datasheet