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RO Membrane

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RO Membrane Element Price and Technical Data
BW30-400 (DOW Brand)

DOW Model

Average Water Production GPD

Stable Salt Rejection%


Testing Pressure







Permeate Flow:11000 gpd(40m3/d)
Salt Rejection:  99.4%--99.7%

Configuration: Low Fouling Spiral Wound
Membrane Polymer: PA (polyamide) Thin Film Composite
Membrane Active Area:400 ft2 (39.7 square meter)
Feed Space: 34mil with biostatic Agent

Testing Conditions:
Standard Solution: 2000 ppm NaCl soluction
Operating Pressure psi(MPa)    225(1.55)
Recovery Rate of Single Membrane Element: 15%
Temperature deg C     :25
PH Value of Solution:7.5
Test Time: Run for 30 minutes

Application Data:
* Max. Feedwater Temperature deg C: 45
* Max. Operating Pressure psi(MPa):600(4.12)
* Max. Feedwater Flow gpm(m3/h):75(3.6)
* Max. SDI of Feedwater:  5
* Max. NTU of Feedwater: 1
* Concentration of Free Chlorine( ppm)  < 0.1
* PH Value Range of Feedwater as Continuous Operation: 2-11
* PH Value Range of Feedwater as Chemical Cleaning:1-12
* Max. Pressure Difference of Single Membrane Element psi(MPa):15(0.10)
* The minimal proportion of single membrane element's conc. press to perm.
* Flow: 5:1 Applicable to the water <5000ppm salt. in electronics, power, petrochemical, food, beverage and pharmacy.

RO membrane element is used for the desalination of brackish water and other similar water and it has high desalination rate and long time stable performance under high flow and low operating pressure.

HINADA is a professional manufacturer of water treatment membranes and water treatment equipment, we provide customize service for customers according to project requirement, and any wastewater treatment plant design, install solutions and technical support.
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