TFC-4040-HR 4" Hig Rejection, Low Pressure

Summary

Product identification

FLUID SYSTEMS® TFC®- HR 4” ELEMENT High Rejection, Low Pressure RO Element for Brackish Water.

• Membrane Chemistry: Proprietary TFC® polyamide
• Membrane Type: TFC®-HR membrane
• Construction: Spiral wound element
• Applications: High rejection for brackish water treatment
• Options: Fiberglass overwrap or tape overwrap (-T)

Specifications

Test Conditions: 2,000 mg/l NaCl solution at 225 psi (1,550 kPa) applied pressure, 15% recovery, 77°F (25°C) and pH 7.5.

Performance Notes:

• Performance specifications shown are nominal values.
• Individual element permeate flows may vary ±15% from the values shown.
• Minimum chloride ion rejection is 99.2% at the specified test conditions.
• System performance should be predicted using KMS ROPRO® software.
• System operating data should be normalized and key performance parameters tracked using KMS NORMPRO® software.

Operating limits

• Typical Operating Pressure: 150 - 250 psi (1,035 - 1,725 kPa)
• Maximum Operating Pressure: 600 psi (4,140 kPa)
• Maximum Operating Temperature: 113°F (45°C)
• Maximum Cleaning Temperature: 113°F (45°C)
• Maximum Continuous Free Chlorine: <0.1 mg/l
• Allowable pH – Continuous Operation: 4 - 11
• Allowable pH – Short Term Cleaning: 2.5 - 11 (Recommended to limit exposure to extended pH range to 4 hours, once per month.)
• Maximum Differential Pressure Per Element: 10 psi (69 kPa)
• Maximum Differential Pressure Per Vessel: 60 psi (414 kPa) for FRP overwrap; 30 psi (207 kPa) for tapewrap elements.
• Permeate Pressure: Should not exceed feed-concentrate pressure by more than 5 psi (34 kPa) at any time.
• Recovery: Maximum recovery is site and application specific. Single element recovery is approximately 15% per element. Recovery limits should be determined using KMS ROPRO® program.
• Chemical Tolerance (Chlorine): Exposure of TFC-HR membrane to free chlorine or other oxidizing agents is not recommended. Free chlorine tolerance is approximately 1,000 ppm-hours based on testing at 77°F (25°C), pH 8. This tolerance may be reduced if catalyzing metals (e.g., iron) are present or if pH/temperature differ. Sodium metabisulfite is the preferred reducing agent. Chloramine tolerance is approximately 60,000 ppm-hours (in absence of free chlorine) based on testing at 77°F (25°C), pH 8.
• Chemical Tolerance (Cationic Polymers and Surfactants): Exposure to cationic (positively charged) polymers or surfactants is not recommended as it may irreversibly foul the membrane.
• Lubricants: For element loading, use only recommended silicone lubricant (or approved equivalent), water, or glycerin for O-rings and brine seals. Petroleum-based or vegetable-based oils may damage the element and void the warranty.

Feed water

• Maximum Feed Turbidity: 1 NTU (Experience suggests feedwater with turbidity >0.2 NTU generally results in frequent cleanings.)
• Maximum Feed SDI (15 minute test): 5

Mechanical / hydraulic

Nominal Dimensions and Weight (Dimensions are provided for reference only.)

Maximum Number Of Tape Wrap Elements Per Vessel: 3

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Disclaimer: This summary is based on extracted text and may not include all figures, footnotes, or the latest revisions. Contractual data must match the OEM PDF revision used on the project.

Official datasheet (PDF)

PDF datasheet