XLE-4040 Ultra Low Pressure Membrane

FS-TFC XLE-4040 FS-TFC XLE-4040 Ultra Low Pressure Membrane
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£206.75 inc-VAT
The XLE-4040  Reverse Osmosis membrane elements is made from the highest quality membrane material manufactured by Toray.  This is ideal for use with our own, GRP Fibreglass, Stainless Steel or Champ 40" Commercial RO Housings. Designed and manufactured using Toray advanced polymer membrane technology providing the some of the industry's most reliable and best performing reverse osmosis elements. 

Toray are a leading Japanese Reverse Osmosis Membrane manufacturer
These membranes are manufactured in China by a wholly owned American company that has recently received NSF accreditation across all its products. NSF is the most respected highest international standard. This company is the largest supplier of water products in China. Like Apple we are proud to tell you these are assembled to the highest standard in China.

XLE-4040 = 10,600 litres (2335 UK/gallons) per day, @ pressure of 100psi. this membrane will provide equivalent out put to an HF-4 membrane and cheaper. If you have. This is under optimum output conditions- SEE BELOW

Unlike many other companies we would like to provide information as to  a reasonable expectations. Fact:unless you input water is heated to 24C, and pumped with a pressure of 100psi, and other water factors you won't achieve this.

UK water temperature is around 12c, and if you have a pressure of around 55psi you will approximately achieve in excess of 2 litres per minute (over 120 litres hour) that is around 2800 litres per day. If you increase your pressure you can expect a higher output. We assemble systems many times every week and this is what we achieve straight from our pre-fitlers connected to the water mains when we test systems.

If you are going to pump your water please ensure that your pump has sufficient water flow and sufficient pressure. Beware there are many "water-movers" low wattage, low pressure high volume pumps. you need a pump that will provide around 5 litres per minute at a pressure of 80-100psi constantly. 

Free advice- call us 01507 524576. We ship via UPS to whole of Europe contact us for actual delivery costs. FREE DELIVERY IS ONLY TO MAINLAND UK

 Full Technical Specification is available if required.


  • The standard storage solution contains one weight percent sodium bisulfite or sodium metabisulfite (food grade). For short term storage of one week, one weight percent sodium metabisulfite solution is adequate for inhibiting biological growth.

Technical Information

  • Active Area ft2 (m2 ): 87(8.1)
  • Applied Pressure psig(bar): 100(6.9)
  • Permeate Flow Rate gpd(m3 /d) 2600(9.84)
  • Stabilised Salt Rejection (99%) 99.0
  • Membrane Type: Polyamide Thin-Film Composite
  • Maximum Operating Pressure: 600psi (41bar)
  • Maximum Pressure Drop: 13psi (0.9bar)
  • pH Range Continuous Operation: 2-11
  • pH Range, Short-Term Cleaning(30min)b:1-12
  • Maximum Operating Temperature: 113 BF (45Ž)
  • Maximum Feed water Turbidity: 1 NTU
  • Maximum Feed Silt Density Index: 5
  • Free Chlorine Tolerance: < 0.1ppm
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