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Commercial, Industrial & Sea Water Elements

Thin-film composite elements in MAX and ULTRA ranges — for commercial plants, industry, municipal schemes and sea-water desalination. Select a model for its full specification and downloadable datasheet.

DURAMEM RO membrane element
Standard Water Test Conditions

[1] Individual elements flux may vary upto 15%.
[2] ULP models are tested under following conditions: 1500 PPM feed water, 25 °C, 15% recovery.
[3] SW models are tested under following conditions: 32000 PPM feed water, 25 °C, 8% recovery.
[4] BW models are tested under following conditions: 2000 PPM feed water, 25 °C, 15% recovery.
[5] LP models are tested under following conditions: 2000 PPM feed water, 25 °C, 15% recovery.

Engineering Data

Operating limits & dimensions.

Operating & Cleaning Limits

  • Maximum operating pressure600 psi (4.14 MPa)
  • Operating temperature range0 – 45 °C
  • Maximum feed SDI5
  • Free chlorine tolerance0.1 mg/L
  • pH range, continuous operation2 – 11
  • pH range, short-term cleaning2 – 12
  • Max feed water turbidity1.0 NTU
  • Concentrate : permeate ratio4 : 1 (any element)
  • Max element pressure drop10 – 15 psi (per model)

Element Dimensions

DURAMEM 4040 element dimensions — length, diameter, core tube, feed and concentrate sides DURAMEM 8040 element dimensions — length, diameter and core tube

Packing Standard — Commercial & Industrial Elements

Every 4040 and 8040 element is supplied as a spiral-wound dry element with brine seal and O-rings included, individually packed for safe transport and storage.

Product Cards

Model highlights, at a glance.

Tap any card to view it full size.

BW-4040-MAX product cardBW-4040-MAX
ULP+-4040-MAX product cardULP+-4040-MAX
BW-8040-MAX product cardBW-8040-MAX
LP-8040-MAX product cardLP-8040-MAX

Planning a plant or replacing elements?

Send your models and quantities — our engineers will quote pricing, availability and the right element for your feed water.

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