DuPont FilmTec BW30-4040 and BW30-2540 Membrane Elements Product Data Sheet

Product data sheet for DuPont FilmTec BW30-4040 and BW30-2540 brackish water reverse osmosis membrane elements for light industrial systems.


DuPont FilmTec BW30-4040 and BW30-2540 Membrane Elements Product Data Sheet - cover page
Brand
Du Pont
Category
Other Electronics
Document type
Datasheet
Language
English
Pages
4
File format
PDF
File size
341 KB
Published
05 November, 2026
Updated
05 November, 2026
MD5 checksum
196C8B67E4EE46A5BA893437607C138B

About this manual

This document provides technical specifications and operating guidelines for DuPont FilmTec™ BW30-4040 and BW30-2540 fiberglassed reverse osmosis membrane elements. These spiral-wound elements with polyamide thin-film composite membranes are designed for light industrial applications, offering reliable performance and high-quality water production.

What's inside

  • Description
  • Typical Properties
  • Element Dimensions
  • Operating and Cleaning Limits
  • Important Information
  • Operation Guidelines
  • Storage
  • Product Stewardship

Specifications

Product TypeSpiral-wound element with polyamide thin-film composite membrane
BW30-4040 Feed Spacer Thickness80 mil
BW30-4040 Permeate Flow Rate2,400 gpd (9.1 m3/d)
BW30-4040 Stabilized Salt Rejection99.5%
BW30-2540 Feed Spacer Thickness80 mil
BW30-2540 Permeate Flow Rate1,000 gpd (3.8 m3/d)
BW30-2540 Stabilized Salt Rejection99.5%
Maximum Operating Temperature113°F (45°C)
Maximum Operating Pressure600 psi (41 bar)
Maximum Feed Silt Density Index (SDI5)Free
Free Chlorine Tolerance<0.1 ppm
BW30-4040 Maximum Feed Flow Rate16 gpm (3.6 m3/h)
BW30-2540 Maximum Feed Flow Rate6 gpm (1.4 m3/h)
BW30-4040 Length40.0 inches (1,016 mm)
BW30-4040 Diameter3.9 inches (99 mm)
BW30-2540 Length40.0 inches (1,016 mm)
BW30-2540 Diameter2.4 inches (61 mm)

Frequently asked questions

What is the minimum salt rejection for these membranes?

The minimum salt rejection is 98.0%.

What is the maximum pressure drop across an entire pressure vessel?

The maximum pressure drop across an entire pressure vessel is 50 psi (3.4 bar).

How should membrane elements be stored to prevent biological growth?

It is recommended that membrane elements be immersed in a preservative solution to prevent biological growth during prolonged system shutdowns.

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