4040
Reverse Osmosis
Environmental Protection
Pressure
Tube
Efficient Filtration
NSF
Dry and Wet
Over 95%
Carton Box
NSF
Hydranautics, Filmtec, HIDROTEK
1PC/Box
2521/2540/4021/4040/8040
China
8421991000
Product Description
Hidrotek started to roll reverse osmosis and nano membranes since 2009.
Our Domestic RO membranes are NSF certificated.
Minimum Salt Rejection Rate of reverse osmosis membrane is 95%
Minimum Salt Rejection Rate of nano membrane is 80%


Hidrotek has a diverse variety of water treatment systems including residential, commercial and industrial reverse osmosis system,water dispenser as well as their spare parts, simple water filter,membrane, replacement filter cartridges, UV sterilizer, etc. With all water systems CE certified (some even ROHS certified) and membranes NSF certified, Hidrotek gradually becomes the premier supplier of water filtration products to distributors and OEMS worldwide.
From home use to industry or from little fittings to complete plant projects, Hidrotek will always become your best choice in the water filtration field.





A: Yes, we are manufacture founded in 2003.
2. Q: What's your main products?
A: We provide Residential, Commercial and Industrial water treatment as well as relevant spare parts.
3. Q: Do machines have any certifications?
A: Yes, all products are CE certified. Some even NSF, CE, SASP, RoHS, CB certified.
4. Q: Free samples are available for sale?
A: Small spare parts and low-cost products are available for free; but high-value filters are not available for free.
5. Q: How long does production take?
A: Sample order within one week; large order takes 15 to 25 days.
6. Q: How long is the warranty?
A: Warranty 1 year products expect cartridges.
7. Q: What's the payment item?
A: T/T, L/C, Paypal, D/P and etc,.
8. Q: Is OEM available?
A: Yes, welcome OEM.
Our Domestic RO membranes are NSF certificated.
Minimum Salt Rejection Rate of reverse osmosis membrane is 95%
Minimum Salt Rejection Rate of nano membrane is 80%
Company Profile | ||||
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 series | ||||
Hidrotek 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 | 99.50% | 99% | 10000GPD | 37M2 |
HB-4040 | 99.50% | 99% | 2500GPD | 7.5M2 |
HB-4021 | 99.50% | 99% | 1000GPD | 3.3M2 |
Testing Conditions | Operation Limits and Conditions: | |||
Testing Pressure...............225psi | Max.Working Pressure......... 600psi | |||
Temperature of Testing Solution.......25ºC | Max.Feed water Flow............... | |||
Concentration of Testing Solution...….2000ppm | ...75gpm(8040) / 16gpm(4040/4021) | |||
PH Value of Testing Solution......…..7.5 | Max Inflow SDI...............…..5 | |||
Recovery Rate...............…15% | Max Pressure Drop............…..15psi | |||
Residual Chlorine.........… <0.1ppm | ||||
PH Range of Feedwater......…3.0-10.0 | ||||
BW series | ||||
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 biotechnology industry,pharmaceuticals industry and other fields. | ||||
Model | Stable Rejection | Minimun Rejection | Average Permeated Flow | Active Membrane Area |
BW-8040 | 99.00% | 98% | 10000GPD | 37M2 |
BW-4040 | 99.00% | 98% | 2500GPD | 7.5M2 |
BW-4021 | 99.00% | 98% | 1000GPD | 3.3M2 |
Testing Conditions | Operation Limits and Conditions: | |||
Testing Pressure...............150psi | Max.Working Pressure......... 600psi | |||
Temperature of Testing Solution.......25ºC | Max.Feed water Flow............... | |||
Concentration of Testing Solution...….1500ppm | ...75gpm(8040) / 16gpm(4040/4021) | |||
PH Value of Testing Solution......…..7.5 | Max Inflow SDI...............…..5 | |||
Recovery Rate...............…15% | Max Pressure Drop............…..15psi | |||
Residual Chlorine.........… <0.1ppm | ||||
PH Range of Feedwater......…3.0-10.0 | ||||
LP series | ||||
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 | 98.00% | 97% | 10000GPD | 37M2 |
LP-4040 | 98.00% | 97% | 2500GPD | 7.5M2 |
LP-4021 | 98.00% | 97% | 1000GPD | 3.3M2 |
Testing Conditions | Operation Limits and Conditions: | |||
Testing Pressure...............110psi | Max.Working Pressure......... 600psi | |||
Temperature of Testing Solution.......25ºC | Max.Feed water Flow............... | |||
Concentration of Testing Solution...….1000ppm | ...75gpm(8040) / 16gpm(4040/4021) | |||
PH Value of Testing Solution......…..7.5 | Max Inflow SDI...............…..5 | |||
Recovery Rate...............…15% | Max Pressure Drop............…..15psi | |||
Residual Chlorine.........… <0.1ppm | ||||
PH Range of Feedwater......…3.0-10.0 |


The headquarter of Hidrotek is in Ningbo, China. Hidrotek has been engaged in water field since it was founded in 2003.Our company's goal is to design,develop,manufacture and market the water filtration systems and components of high quality and nice innovation at the most reasonable and favorable price al lover the world.We also devotes to provide the considerate customer service and support to the customers.
Hidrotek has a diverse variety of water treatment systems including residential, commercial and industrial reverse osmosis system,water dispenser as well as their spare parts, simple water filter,membrane, replacement filter cartridges, UV sterilizer, etc. With all water systems CE certified (some even ROHS certified) and membranes NSF certified, Hidrotek gradually becomes the premier supplier of water filtration products to distributors and OEMS worldwide.
From home use to industry or from little fittings to complete plant projects, Hidrotek will always become your best choice in the water filtration field.





1. Q: Are you manufacturer?
A: Yes, we are manufacture founded in 2003.
2. Q: What's your main products?
A: We provide Residential, Commercial and Industrial water treatment as well as relevant spare parts.
3. Q: Do machines have any certifications?
A: Yes, all products are CE certified. Some even NSF, CE, SASP, RoHS, CB certified.
4. Q: Free samples are available for sale?
A: Small spare parts and low-cost products are available for free; but high-value filters are not available for free.
5. Q: How long does production take?
A: Sample order within one week; large order takes 15 to 25 days.
6. Q: How long is the warranty?
A: Warranty 1 year products expect cartridges.
7. Q: What's the payment item?
A: T/T, L/C, Paypal, D/P and etc,.
8. Q: Is OEM available?
A: Yes, welcome OEM.