FEATURED
What Applications Need RO 4040 Membranes?
Thin-Film Composite
Polyamide RO Membrane
99.5%+Salt Rejection
0.0001micron
300-600GPD per element
HIGH DEMAND
RO Membrane 4040
Commercial-grade TFC polyamide -- Model: JZ-RO-4040
Element Size
4.0" x 40" (101.6 x 1016 mm)
Active Membrane Area
85 ft2 (7.9 m2)
Fiberglass Wrap
Standard outer wrap
Connections
Standard 4" male adapter
Permeate Flow Rate
200-300 GPD (0.3-0.5 m3/h)
Stabilized Salt Rejection
99.5% (nominal) / 99.0% (minimum)
Max Operating Pressure
600 psi (4.1 MPa)
Max Operating Temp
45 degC (113 degF)
pH Range (continuous)
2 -- 11
pH Range (short-term cleaning)
1 -- 13
Max Feed Flow
16 GPM (3.6 m3/h)
Max Feed SDI
5
Max Feed Turbidity
1 NTU
Free Chlorine Tolerance
<0.1 ppm
Applications
The 4040 RO membrane element features thin-film composite (TFC) polyamide construction with 200 to 300 GPD output and 99.5 percent salt rejection rate. Designed for brackish water desalination, tap water purification, industrial water treatment, and commercial RO systems. Standard 4-inch by 40-inch, compatible with most RO pressure vessels.
Key Features
- High Salt Rejection -- 99.5% nominal for brackish water
- TFC Polyamide -- Thin-film composite membrane technology
- Standard Size -- 4.0" x 40" fits industry-standard vessels
- Consistent Output -- 200-300 GPD per element
- Durable Construction -- Fiberglass wrap with male adapter
- Wide pH Range -- 2-11 continuous, 1-13 cleaning