Hydranautics RO Membrane 4040

£420.00£490.00 Incl. VAT

We offer the choice of two Hydranautics 4040 RO Membranes – ESPA4-4040 and ESPA1-4040. Both of these energy saving membranes fit standard 4” x 40” membrane housings and offer optimal performance at lower pressures without compromising the standard for high rejection. The ESPA4-4040 offers an average stabilised rejection rate of 99.2% and the ESPA1-4040 offers an average stabilised rejection rate of 99.3% with a permeate flow rate of up to 9,800 litres per day.

Product Features
  • Genuine Hydranautics 4″ x 40″ RO membrane
  • Permeate flow rate up to 9,800 litres per day
  • High nominal rejection rates of up to 99.6%
  • Energy saving low pressure membranes
Choosing RO Membrane

When selecting an RO membrane you should ensure that your application parameters meet the feed requirements stipulated to ensure optimum performance and water quality. You should consider things such as feed pressure, permeate flow (production rate) and rejection rates. For help choosing or cross-referencing a suitable membrane please speak to a member of our team.

Help & Advice

Need help or advice on which size to choose? No problem, drop us an email, start a live chat or give us a call on 01622 933 853 and we’ll be sure to help.

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Hydranautics RO Membrane 4040
Hydranautics RO Membrane 4040
£420.00£490.00 Incl. VAT
Hydranautics RO Membrane 4040
Hydranautics RO Membrane 4040
£420.00£490.00 Incl. VAT

HYDRANAUTICS RO MEMBRANES

ESPA® Energy Saving Membranes

Hydranautics ESPA membrane elements are designed as a range of high flux/low pressure membranes. Delivering high rejection rates at low operating pressures, saving on energy costs without compromising on performance. The energy saving characteristics of these membranes make them a great choice for process applications, where minimising operational costs is important.

ESPA4-4040 RO Membrane
The ESPA4-4040 is a high rejection, extra low energy membrane that can run at operating pressures as low as 6.9 bar. It is a suitable alternative membrane to LG BW 4040 UES, Axeon HF4-4040 and Dow/Filmtec XLE-4040.

ESPA1-4040 RO Membrane
The ESPA1-4040 is a low energy, high production membrane that can run at operating pressures as low as 10 bar. It is a suitable alternative membrane to LG BW 440 ES, Axeon HF1-4040 and Dow/Filmtec LE-4040.

Why Choose Hydranautics RO Membranes?

  • High permeate flow rates of up to 9,800 litres per day
  • Suitable retrofit for other 4040 RO membranes
  • High operating temperatures up to 45⁰C
  • Popular for commercial applications
  • ESPA4 and ESPA1 membranes

Compatible Products:
RO Membrane Housings

Product Resources:
Hydranautics ESPA4-4040 Data Sheet →
Hydranautics ESPA1-4040 Data Sheet →

Reverse Osmosis Solutions

We’re pleased to offer a comprehensive range of reverse osmosis solutions, from full systems to replacement membranes and accessories. Can’t find exactly what you’re looking for? Get in touch with a member of our team today.

Browse all Reverse Osmosis solutions →

Reverse Osmosis Solutions

Additional Information

Brand: No selection

Dimensions: No selection

ATD Diameter 100.3mm
Connection Diameter 19.1mm
Length 1016mm

Weight: No selection

3.6kg

Permeate Flow: No selection

ESPA4-4040: 9.46m³/day
ESPA1-4040: 9.8m³/day

Average Rejection Rate: No selection

ESPA4-4040: 99.2%
ESPA1-4040: 99.3%

Pressure Drop: No selection

10 PSI Per Element

Max Operating Temperature: No selection

45⁰C

Max Operating Pressure: No selection

600 PSI

Membrane Active Area: No selection

85ft²

pH Range: No selection

2-10