CSM 50GPD RO Membrane - RE1812-50

CSM 50gpd reverse osmosis membrane for use with RO water systems. Model: RE1812-50

£24.14 £20.12
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This membrane is a direct replacement for membranes fitted to all Vyair reverse osmosis water systems. It is a suitable replacement for most 50 gallon per day reverse osmosis water filters as well as our own. This product is made to the highest quality by CSM, who are an accredited manufacturer of RO membranes.


  • Membrane type: Thin-film composite
  • Membrane material: PA (Polyamide)
  • Membrane surface charge: Negative
  • Element configuration: Spiral wound, tape wrapping

Technical Specifications

  • High permeability
  • Remove most of harmful substances such as Carcinogen, THMs (trihalomethanes), heavy metal ions, bacteria and virus in drinking water
  • Max. operating pressure: 125 psi (0.86 MPa)
  • Max. feed flow rate: 2 gpm (0.45 m3/hr)
  • Max. operating temperature: 113 °F (45 °C)
  • Operating pH range: 3.0 - 10.0
  • Max. turbidity: 1.0 NTU
  • Max. SDI (15 min): 5.0
  • Max. free chlorine concentration: 0.1 mg/L
  • Elements contain preservative solution, therefore the permeate from the first hour of operation should be discarded. If the operating conditions in this document are not followed, no warranty of the element is honoured
Keep elements moist at all times after initial wetting. Permeate water obtained from first hour of operation should be discarded in order to flush the protective solution in the elements. CSM elements should be immersed in a protective solution during storage, shipping or system shutdowns to prevent biological growth and frost damage.

The standard storage solution contains one (1) weight percent sodium bisulfite or sodium metabisulfite (food grade). For short term storage of one week, one (1) weight percent sodium metabisulfite solution is adequate for inhibiting biological growth.
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