Ecosoft ELP 4040 Membrane

The Ecosoft ELP-4040 Membranes are intended for purification of brackish water in low pressure systems. Compatible with all Ecosoft commercial level reverse osmosis systems, its large active surface area together with high rejection rates enables them to be used in variable pressure and flow conditions without deterioration of permeate quality. Each membrane is able to handle up to 2,500 gallons of water each day.

The membranes are shipped dry and very easy to install.

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Specifications and Operating Parameters
Active Area8.1m2
Operating Pressure10.3 bar
Flow Rate9.5m3/day
Stabilised Salt Rejection99%
Feed Spacer Thickness0.7mm
Max. Operating Water Temp.45oC
Max. Operating Pressure41 bar
Max. Element Pressure Drop1.0 bar
pH Range (cont. operation)3 – 11
pH Range (short-term cleaning)1.5 – 12
Max. Feed Silt Density Index5
Free Chlorine Tolerance<0.1mg/L


  • Handles up to 2,500 gallons of water per day.
  • Compatible with all Commercial RO’s from MO6500 up to MO36000
  • Large active surface areas together with high rejection rates allows the use of these membranes in variable pressure and flow conditions.