Eco Pro-440i

Summary

Product identification

The FilmTec™ Eco Pro-440i Element is a spiral-wound element featuring a polyamide thin-film composite membrane. It is described as ideal for reverse osmosis plant managers and operators dealing with controlled pre-treatment waters, seeking advanced membrane treatment with high water purity and low energy consumption.

Key features:

• Offers high salt-rejection at low pressure.
• Delivers excellent silica, boron, nitrate, TOC, and ammonium rejection.
• Provides increased active area with effective cleaning performance, robustness, and durability due to its widest cleaning pH range (1–13) and chemical tolerance.
• Includes iLEC™ interlocking end caps, which reduce system operating costs and the risk of O-ring leaks.

Typical Properties

• Element: Eco Pro-440i
• Active Area: 440 ft² (41 m²)
• Feed Spacer Thickness: 28 mil
• Permeate Flow Rate: 12,650 GPD (48 m³/d)
• Typical Stabilized Salt Rejection: 99.7%
• Minimum Salt Rejection: 99.4%

Standard test conditions: Permeate flow and salt (NaCl) rejection are based on 2,000 ppm NaCl, 150 psi (10.3 bar), 77°F (25°C), pH 8, 15% recovery. Stabilized salt rejection is generally achieved within 24–48 hours of continuous use.

Mechanical / hydraulic

Dimensions

Dimensions in inches (mm):

• A: 40.0 inches (1,016 mm)
• B: 40.5 inches (1,029 mm)
• C: 7.9 inches (201 mm)
• D: 1.125 ID (29 ID)

The element is designed to fit a nominal 8-inch (203-mm) I.D. pressure vessel. Individual elements with iLEC™ endcaps measure 40.5 inches (1,029 mm) in length (B). The net length (A) of the elements when connected is 40.0 inches (1,016 mm).

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
  • 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, free chlorine and other oxidizing agents can cause premature membrane failure. Oxidation damage is not covered under warranty.

Important Information

The use of this product does not inherently guarantee the removal of cysts and pathogens from water. Effective cyst and pathogen reduction depends on the complete system design, operation, and maintenance of the system.

Disclaimer

This summary is an interpretation of the provided text extraction. It may omit figures, footnotes, or revisions present in the complete document. For contractual data, always refer to the specific OEM PDF revision used on your project.

Official datasheet (PDF)

PDF datasheet