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Sapstone Domestic use RO membrane
1. SLE Series Product Performance Stability.
2. SLE Series is dry membrane elements, so it is easy to transport and storage time extend.
3. SLE Series be used for Rural and Urban tap-water or low salinity water due to it’s High Stable rejection and low pressure Advantage.
Performance
Model | Performace | |||
Stable Rejection /% | Average permeate flux /gpd | Recovery /% | ||
(Sapstone) Low Pressure domestic/commercial membrane element | SLE-1810-50 | 97.0 | 50 | 20 |
SLE-1812-50 | 97.0 | 50 | ||
SLE-1812-75 | 97.0 | 75 | ||
SLE-1812-80 | 97.0 | 80 | ||
SLE-2012-80 | 97.0 | 80 | ||
SLE-2012-100 | 96.5 | 100(0.40) | ||
Testing Conditions | Testing Concentration(NaCl) | 250 mg/L | ||
Testing Pressure | 60 psi(0.4 MPa) | |||
Temperature of Testing Solution | 25℃ | |||
pH value of testing solution | 7.5 | |||
Operation Limits and Conditions | Membrane Type | |||
Max. Working Pressure | 300 psi(2.07 MPa) | |||
Max. Inflow Temperature | 45℃ | |||
Max. Inflow SDI15 | 5 | |||
Residual Chlorine Concentration of Feed Water | <0.1 mg/L | |||
PH Range of Feed Water During Continuous Operation | 3~10 | |||
PH Range of Feed Water During Chemical Cleaning | 2~12 | |||
Max. Pressure Drop of Single Membrane Element | 10 psi(0.07 MPa) | |||
4 Measurement of membrane element
Size/mm(inch) | |||||
A | B | C | D | E | |
1810 | 256.0(10.1) | 44.5(1.75) | 17.0(0.67) | 25.0(0.98) | 15.0(0.59) |
1812 | 298.0(11.7) | 44.5(1.75) | 17.0(0.67) | 21.0(0.83) | 21.0(0.83) |
2012 | 298.0(11.7) | 48.2(1.9) | 17.0(0.67) | 21.0(0.83) | 21.0(0.83) |


Good chemical stability
Good biological stability
Good transportation performance
The permeati onamount can’t be changed with the use time
The salt rejection can’t be changed with the use time
Less energy consumption
Long service lifetime
Tianjin Tian Gong new material technology Co.,Ltd is a subsidiary of the Jingwu Industrial Technology Research Institute of Tianjin Polytechnic University. It is located in Xiqing university Zone only 40km to Tianjin port. Tian Gong is a professional company engaged in membrane product development, manufacturing, technical services, membrane equipment manufacturing, construction and operation of the state-level high-tech enterprises.
Our main products: RO membrane, NF membrane and UF membrane.
Tian Gong is supported by State Key Laboratory of Separation Membrane, Tianjin University and other famous scientific research institutes.
and separation membrane equipment.
Our advantage:
1. Strong R&D team
2. Stable supply ability with 3 full-Automatic production line.
3. Fast delivery
4. Strict quality control
5. Best service after sales
6. OEM service
Our main market: Middle-East, India, SriLanka, Brazil, Africa etc. Pls join us and develop the business together.
2018 WATER EXPO SHOW




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