PWG RO Membrane 4040 PWG RO Membrane 4040 £445.00 – £475.00 Incl. VAT
Hydranautics RO Membrane 4040 Hydranautics RO Membrane 4040 £420.00 – £490.00 Incl. VAT

PWG RO Membrane 4021

£357.00 Incl. VAT

Our PWG 4021 RO membranes are low pressure,  low energy membranes capable of permeate flow rates up to 181 litres per hour. Suitable for use with 4” x 21” membrane housings, or as a retrofit for RO systems that utilise 4021 membranes. Offering an impressive rejection rate of 99% with a max operating pressure of 20.7 bar (300PSI).

Product Features
  • Energy efficient membrane with high production rate
  • Suitable retrofit for other 4021 RO membranes
  • Production rates of up to 171 litres per hour
  • Average rejection rate of 99%
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.

Add to Cart
PWG RO Membrane 4021
PWG RO Membrane 4021
£357.00 Incl. VAT
SKU: RO-RC1 Category: Tag:
PWG RO Membrane 4021
PWG RO Membrane 4021
£357.00 Incl. VAT

PWG RO MEMBRANES

Low Energy 4021 Membrane

PWG’s range of RO membranes has been developed with energy efficiency in mind, whilst maintaining high production and rejection rates to produce excellent quality RO water. As a low energy membrane it can operate at pressures as low as 6.9 bar or as high as 20.7 bar, making it a suitable alternative to Oltremare LOW1-4021, Hydranautics ESPA1-4021, Axeon HF1-4021 and Dow/Filmtec LE-4021 membranes.

Why Choose PWG 4021 RO Membranes?

  • Suitable alternative to other 4021 RO membranes
  • Designed for use in light commercial systems
  • High operating temperature up to 45⁰C
  • Supplied tape wrapped with brine seal
  • Compatible with most 4021 housings

Compatible Products:
Commercial RO Systems
Stainless Steel RO Membrane Housings

Product Resources:
PWG RO Membranes 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

Dimensions

ATD Diameter 100.3mm
Connection Diameter 19.1mm
Core Tube Feed Size 30.5mm
Length 533.4mm
Weight

1.8kg
Permeate Flow

181 litres per hour
Average Rejection Rate

99%
Pressure Drop

0.7 Bar
Max Operating Temperature

45°C
Max Operating Pressure

20.7 Bar (300 PSI)
pH Range

3-10

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