Hidrotek is specialized in R&D ,Manufacture and technical service of RO and NF membrane elements. Owning the core technology of manufacturing the reverse osmosis membrane element, and automatic membrane element rolling technology .Our company with good process control ability , and strong research and development strength, guarantee the basic membrane element performance..
HB seriesHidrotek high-pressure desalination series(HB) reverse osmosis membrane element
has high water production rate and desalting rate,it's operating pressure is 16bar.for more difficult soluble salts,it has a better removal effect.It is mainly used in the desalination processing of groudwater,brackish water,off shore high salt content surface water.And it is also mainly used in food industry pure water,power plant desalting water,and pharmaceuticals industry pure water,ion exchange softening system,and river,underground water purification system
| Model | Stable Rejection | Minimun Rejection | Average Permeated Flow | Active Membrane Area |
| HB-8040 | 99.5% | 99% | 10000GPD | 37M2 |
| HB-4040 | 99.5% | 99% | 2500GPD | 7.5M2 |
| HB-4021 | 99.5% | 99% | 1000GPD | 3.3M2 |
Testing Conditions
Testing Pressure……………………………………………..225psi
Temperature of Testing Solution…………………….25℃
Concentration of Testing Solution………………….2000ppm
PH Value of Testing Solution…………………………..7.5
Recovery Rate…………………………………………………15%
Operation Limits and Conditions:
Max.Working Pressure…………………………………….600psi
Max.Feed water Flow……………………………………….75gpm(8040) / 16gpm(4040/4021)
Max Inflow SDI………………………………………………..5
Max Pressure Drop…………………………………………..15psi
Residual Chlorine…………………………………………….. ＜0.1ppm
PH Range of Feedwater……………………………………3.0-10.0
Hidrotek low pressure series(BW) reverse osmosis membrane element
in a relatively low operating pressure to achieve high water production rate and high desalination rate,energy saving.Operating pressure can be as low as 10 bar,it is mainly used at the condition of inlet water salinity less than 5000PPM.It is widely used in:food industry,drinking water,electricity water supply,electronics and industrial ro membrane for water filter partsnology industry,pharmaceuticals industry and other fields.
| Model | Stable Rejection | Minimun Rejection | Average Permeated Flow | Active Membrane Area |
| BW-8040 | 99% | 98% | 10000GPD | 37M2 |
| BW-4040 | 99% | 98% | 2500GPD | 7.5M2 |
| BW-4021 | 99% | 98% | 1000GPD | 3.3M2 |
Testing Conditions:
Testing Pressure……………………………………………..150psi
Temperature of Testing Solution…………………….25℃
Concentration of Testing Solution………………….1500ppm
PH Value of Testing Solution…………………………..7.5
Recovery Rate…………………………………………………15%
Operation Limits and Conditions:
Max.Working Pressure…………………………………….600psi
Max.Feed water Flow……………………………………….75gpm(8040) / 16gpm(4040/4021)
Max Inflow SDI………………………………………………..5
Max Pressure Drop…………………………………………..15psi
Residual Chlorine…………………………………………….. ＜0.1ppm
PH Range of Feedwater……………………………………3.0-10.0
Hidrotek ultra-low pressure series(LP) reverse osmosis membrane element
can reach the same high water production and high desalination rate as conventional low-pressure membrane at extremely low operation pressure,energy saving.Operating pressure can be as low as 7bar,it is mainly used at the conditon of inlet watrer salinity less than 1000PPM,it is widely used in :surface water,groundwater and some low pollution city landscape and agricultural irrigation,drinking water,municipal water supply,drainage,commerical pure water machine,hospital,laboratory pure water equipment,civilian water purification,etc.
| Model | Stable Rejection | Minimun Rejection | Average Permeated Flow | Active Membrane Area |
| LP-8040 | 98% | 97% | 10000GPD | 37M2 |
| LP-4040 | 98% | 97% | 2500GPD | 7.5M2 |
| LP-4021 | 98% | 97% | 1000GPD | 3.3M2 |
Testing Conditions:
Testing Pressure……………………………………………..110psi
Temperature of Testing Solution…………………….25℃
Concentration of Testing Solution………………….1000ppm
PH Value of Testing Solution…………………………..7.5
Recovery Rate…………………………………………………15%
Operation Limits and Conditions:
Max.Working Pressure…………………………………….600psi
Max.Feed water Flow……………………………………….75gpm(8040) / 16gpm(4040/4021)
Max Inflow SDI………………………………………………..5
Max Pressure Drop…………………………………………..15psi
Residual Chlorine…………………………………………….. ＜0.1ppm
PH Range of Feedwater……………………………………3.0-10.0
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