BW30-400/34

Summary

Product Identification

The FilmTec™ BW30-400/34 is a spiral-wound element featuring a polyamide thin-film composite membrane.

It is described as:

• Delivering high-quality permeate water while minimizing CAPEX.
• Offering highly effective cleaning performance, robustness, and durability due to its widest cleaning pH range (1–13) tolerance.

It is ideal for reverse osmosis plant managers and operators dealing with challenging waters and wastewaters, looking for consistency, high performance, long element life, and increased productivity.

Performance

Typical properties based on standard test conditions:

• FilmTec™ Element: BW30-400/34
• Active Area: 400 ft² (37 m²)
  • Note: Active area guaranteed ± 3%. Active area as stated by DuPont Water Solutions is not comparable to nominal membrane area often stated by some manufacturers.
• Feed Spacer Thickness: 34 mil
• Permeate Flow Rate: 10,500 GPD (40 m³/d)
  • Note: Flow rates for individual elements may vary but will be no more than 15% below the value shown.
• Typical Stabilized Salt Rejection: 99.5%
• Minimum Salt Rejection: 99.0%

Performance data is based on the following standard test conditions:

• NaCl: 2,000 ppm

• Pressure: 225 psi (15.5 bar)

• Temperature: 77°F (25°C)

• pH: 8

• Recovery: 15%

• Note: Stabilized salt rejection is generally achieved within 24-48 hours of continuous use, depending upon feedwater characteristics and operating conditions.

Operating Limits

• Maximum Operating Temperature: 113°F (45°C)
  • Note: Maximum temperature for continuous operation above pH 10 is 95°F (35°C).
• Maximum Operating Pressure: 600 psig (41 bar)
• Maximum Element Pressure Drop: 15 psig (1.0 bar)
• pH Range – Continuous Operation: 2–11
• pH Range – Short-Term Cleaning (30 min.): 1–13
• Maximum Feed Silt Density Index (SDI): SDI 5
• Free Chlorine Tolerance: < 0.1 ppm
  • Note: Under certain conditions, the presence of free chlorine and other oxidizing agents will cause premature membrane failure. DuPont Water Solutions recommends removing residual free chlorine by pretreatment prior to membrane exposure, as oxidation damage is not covered under warranty.

Mechanical / Hydraulic

Element dimensions are provided as follows (1 inch = 25.4 mm):

• A (length): 40.0 in. (1,016 mm)
• B (inner diameter): 1.125 in. ID (29 mm ID)
• C (outer diameter): 7.9 in. (201 mm)

The element is designed to fit a nominal 8-inch (203-mm) I.D. pressure vessel.

Customer Notice

• The use of this product does not necessarily guarantee the removal of cysts and pathogens from water. Effective cyst and pathogen reduction depends on the complete system design, operation, and maintenance.
• Permeate obtained from the first hour of operation should be discarded.

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Disclaimer: This summary is based on the provided text extract and may not include all figures, footnotes, or the latest revisions present in the official PDF datasheet. For contractual data, please refer to the specific OEM PDF revision used on the project.

Official datasheet (PDF)

PDF datasheet