MicronMembrane » RO Membrane » MCBW-4040-100HR — LC HR-4040 Equivalent
DuPont DOW Filmtec LC HR-4040 (LCHR 4040) RO Membrane Element Replacement Equivalent
  • Product num: MCBW-4040-100HR
  • Equivalent: LC HR-4040 Equivalent


General Information

MCBW-4040-100HR is manufactured as an equivalent, direct replacement, alternative, analog, retrofit and analogue for DuPont DOW Filmtec LC HR-4040 (LCHR 4040) RO membrane.MCBW-4040-100HR reverse osmosis membrane elements are developed for brackish water treatment, ideal for reverse osmosis plant managers and operators dealing with brackish water with pre-treatment.These reverse osmosis membrane element provides consistency, high permeate water quality, high performance and productivity, and long service life.

Features & Advantages

  • Provides high-quality permeate water
  • Stable salt rejection rate and high permeate flow rate
  • Optimized design, good resistance to fouling results in long service life
  • High chemical tolerance for cleaning with highly effective cleaning performance
  • Simple and economical element replacement


  • Industrial pure water
  • Industrial wastewater reuse
  • Slightly contaminated water


  • Configuration: Spiral wound element
  • Membrane Polymer: Polyamide thin-film composite


Element Part Number Membrane Active Area ft2(m2) Feed Spacer
Permeate Flow Rate*
Stabilized Salt Rejection** Minimum Salt
MCBW-4040-100HR 100(9.3) 28(0.712) 2,900(11) 99.7% 99.5%

Standard test conditions:The above performance is initial(data record after 30 minutes of operation), based on the following conditions:2,000 ppm NaCl solution225 psi(15.5 bar) operating pressure25°C(77°F) operating temperature15% permeate recovery7.5-8 pH range*Permeate flow for individual elements may vary but will be no more than ±15%.**Stabilized salt rejection is generally achieved within 24-48 hours of continuous use; depending on feed water characteristics and operating conditions.

Element Dimensions

MCBW-4040-100HR - LC HR-4040 Equivalent

Model Length A, inch(mm) Diameter B, inch(mm) Permeate tubeinner diameter C, inch(mm) Permeate tubeExtension Dinch(mm)
4040 40(1,016) 3.9(99) 0.75(19) 1.04(26.5)

Operating and Cleaning Limits

Maximum Operating Pressure 600 psi (41 bar)
Maximum Operating Temperature 45°C (113°F)
Maximum Chlorine Concentration 0.1 ppm
pH Range, Continuous 2-11
pH Range, Cleaning 1-13
Maximum Feed SDI (15 mins)


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