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Sapstone seawater desalination membrane replacement membrane of SWC5-LD



Sapstone Seawater Membrane
Model | Performance | Structure Parameter | ||||
rejection /% | permeate flux /gpd(m3/d) | Effective membrane area /ft2 | Flowpath Dia /mil | Inner pipe Dia /mm | ||
| SW-8040-400 | 99.7 | 8800(40.1) | 400 | 34 | 28.7 |
Testing conditions | Testing Pressure | 800psi(1.55 MPa) | ||||
Temperature of testing | 25 ℃ | |||||
Testing Concentration(NaCl) | 32000 mg/L | |||||
pH Value of testing | 6.0-7 | |||||
Permeate Flow for any Element | 5:1 | |||||
Operation limits and conditions | Max. Working Pressure | 600 psi(4.14 MPa) | ||||
Max. Feedwater Flow | 75 gpm(17 m3/h)(8040) | |||||
Max inflow temperature | 45℃ | |||||
Max flow SDI15 | 5 | |||||
Residual Chlorine Concentration of feed water | <0.1 mg/L | |||||
pH range of Feed water durng Continuous Operation | 3~10 | |||||
pH range of feed water during chemical cleaning | 2~12 | |||||
Max, Pressure Drop of Single membrane element | 15 psi(0.1 MPa) | |||||

1. High desalination
2. Large flux
3. Anti-pollution characteristics
4. Can costomize performance, size and package.(Produce your own RO membrane)
Why our ro membrane can anti-pollution
1. anti-pollution ability of the membrane is increased after hydrophilic modification
2. improved film components of the rolling process, the use of a wide flow of inlet water mesh.
Tianjin Kung ta new material technology Co.ltd is leading manufacturer of ro membrane with more than 8+ experience in China. Sapstone is our own brand.
We have developed full automatic rolling machine, so our stable annual output is 5 million pieces. The Models from 50/75/80/100GPD to 200/300/400/600GPD upto 4021/4040/8040.
Our main advantage:
1. ISO9001:2015 standard
2. Long service life
3. Cost effective
4. Stable supply
5. Customized Service Producing your own brand ro membrane.
We will go to 2018 ASIAWATER Malaysia, booth No: Hall, 6. P631. welcome to visit us.
With advance production equipment of ro membrane and sheet, we will provide strictly quality control and competitive products.


1. Q: Where is your factory, which port for transportation?
A: Our factory locates at Tianjin city.Welcome to visit our factory.We export goods at Tianjin port.
2. Q: How can I get some samples?
A: We are glad to provide you the free sample, leave your contact info pls.
3. Q: How can I contact you?
A: Please contact us though below methods, we will reply you within 24 hour.
4. Q: what is the payment time?
A: We accept T/T, L/C and Western Union and so on.
5. Q: What is the MOQ of order?
A: Usually 500piece for MOQ, but it depends.

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