Product Introduction

Daltonen Membrane XLE series reverse osmosis membranes change the formula and production process of the bottom membrane and composite membrane, change the surface and chemical properties of the membrane, improve the membrane area and hydrophilicity, and maximize membrane flux. It is currently one of the highest water production and lowest operating pressure reverse osmosis membrane components in the membrane industry. As the latest generation of ultra-low energy consumption and high-performance reverse osmosis membrane components, Its operating pressure is about 50% of the operating pressure of ordinary brackish water desalination reverse osmosis membrane components, and the desalination rate can reach over 99%. The XLE ultra-low energy consumption series membrane components come in two sizes: 8-inch and 4-inch, widely suitable for municipal water treatment.


Product advantages

· With extremely high water flux and extremely low operating pressure

· Taking into account the desalination rate while significantly reducing the energy consumption of the membrane system

· 34mil special inlet channel, more resistant to pollution


Product size


SizeA inch (mm) SizeB inch (mm) SizeC inch (mm) SizeD inch (mm)
DA-XLE400-PLUS 40(1,016) / 1.125(29) 7.9(201)
DA-XLE440-MAX 40(1,016) / 1.125(29) 7.9(201)
DA-XLE4040-PLUS 37.9(963) 1.05(26.7) 0.75(19) 3.9(99)



Product parameters


ModelEffective area Ft(㎡) Stable boron removal rate(%)  Stable rejection rate(%)      Water yield gpd(m³/d)
DA-XLE400-PLUS 400(37.2) 99.5 99.3 11,500(44)
DA-XLE440-MAX 440(41) 99.6 99.4 12,650(48)
DA-XLE4040-PLUS 85(7.9) 99.6 99.4 2,250(8.7)

Test conditions: inlet pressure 0.69 MPa (100 psi); The inlet temperature is 25 ℃ (77 ° F); Inlet water quality 500ppm NaCI; The pH value of the inlet water is 8; The recovery rate is 15%.


Instructions for use

Maximum working pressure 41 bar (600psi) Continuous operation PH range PH 2-10
Maximum operating temperature 45°C (113°F) Allowable free atmosphere content <0.1ppm
Maximum inlet water SDI value 5.0 Flow range of a single membrane element ± 15%
Chemical cleaning PH range PH 1-13 Effective membrane area variation range ± 3%
Maximum pressure drop for a single membrane element 1.2 bar (15psi) Time to obtain stable desalting rate Run continuously for 24h-48h

For more information, please call the hotline 0755-66611508 or download the technical manual.

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