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directly factory 3013-400 ro membranewith long service life



1. High water yield and high salt rejection rate.
2. Long working life.
3. High quality, low operation cost.
4. And are free from pressure bucket as well as the second pollution. Welcomed by most resident and merchant.
Model | Performance | ||||
Stable rejection /% | Average permeate flow /gpd(m3/d) | recovery /% | |||
SLE Commercial RO membrane
| SLE-2812-200 | 96.0 | 200(0.8) |
20 | |
SLE-3012-300 | 96.0 | 300(1.2) | |||
SLE-3012-400 | 96.0 | 400(1.6) | |||
SLE-3013-400 | 96.0 | 400(1.6) | |||
SLE-2521-300 | 99.0 | 300 | 8 | ||
Testing condition |
| ||||
Testing concentration(NaCl) | 250 mg/L | ||||
Testing pressure | 100 psi(0.7 MPa) | ||||
Testing temperature | 25 ℃ | ||||
pH Value of test solution | 7.5 | ||||
Operation limits and conditions |
| ||||
membrane type | Polyamide Thin-film composite | ||||
Max working pressure | 300 psi(2.07 MPa) | ||||
Max flow temperature | 45 ℃ | ||||
Max FLow 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) | ||||

Tianjin Tian Gong materials technology co., ltd. affiliated with Tianjin Jingwu Industrial Technology Research Institute and Tianjin Polytechnic University. Membrane separation technology as the core. Specialized in R&D, production and selling. Now our mainly products are reverse osmosis membrane flatsheet and RO membrane elements for residential, commercial and industrial.
Our president Wangwei is professor of Memebrane technology and teaching in Tianjin Polytechnic University Material institute. So our R&D Team is very strong.
Tianjin Polytechnic University State Key Laboratory of Separation Membrane and Membrane Processes ro membrane team in the antimicrobial anti-fouling reverse osmosis membrane
preparation technology has made important progress in their preparation of reverse osmosis
membranes in the presence of organic pollutants, inorganic pollutants and microorganisms Under all showed good anti pollution, and the preparation method is simple, mild conditions, advantages of
high efficiency and economy.
During 2017, we have attended Chennai Water Expo. During 2018, we will on the ASIAWATER Malaysia. Now we have customers from Australia, Pakistan, India, Turkey, Russia, Sri Lanka etc.
Look forward to be your long-term and friendly supplier.



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
1. Adanvced Automatic production line.
2. Stable and large-scale produce capacity.
3. Strong R&D Team.
4. customize service provided as customer's required.
Our products use the most advanced technology, perfect technology, filtration precision is more accurate, membrane element removable replacement, long service life, high cost performance. And cartridge is the food grade material , pollution-free, non-toxic health!
New products from manufacturers at wholesale prices