TM820K-440

Summary

Product identification

• Model: TM820K-440
• Membrane Type: Cross Linked Fully Aromatic Polyamide Composite
• Application: Sea Water RO Elements

Product water

• Product Flow Rate: 5,800 gpd (21.9 m³/d)
• Salt Rejection: 99.86%
• Minimum Salt Rejection (typical value): 99.5%
• Boron Rejection: 96% at pH 8 (5 mg/L Boron added to Feed water)

Operating limits

• Maximum Operating Pressure: 1200 psi (8.3 MPa)
• Maximum Feed Water Temperature: 113°F (45℃)
• Maximum Feed Water SDI₁₅: 5
• Feed Water Chlorine Concentration: Not detectable
• Feed Water pH Range, Continuous Operation: 2-11
• Feed Water pH Range, Chemical Cleaning: 1-13

Feed water (Test Conditions)

• Feed Water Pressure: 800 psi (5.52 MPa)
• Feed Water Temperature: 77°F (25℃)
• Feed Water Concentration: 32,000 mg/L NaCl
• Recovery Rate: 8%
• Feed Water pH: 8

Mechanical / hydraulic

• Membrane Area: 400 ft² (37 m²)
• Feed Spacer Thickness: 34 mil
• Maximum Pressure Drop per Element: 20 psi (0.14 MPa)
• Maximum Pressure Drop per Vessel: 60 psi (0.4 MPa)
• Dimensions:
  • Diameter: 7.9 inches (201 mm)
  • Length: 40 inches (1,016 mm)
  • All dimensions shown in Inches (millimeter).

Notice

• It is strongly recommended to remove oxidizing agents (e.g., free chlorine) contained in feed water before operating the RO system.
• Permeate from the first hour of operation shall be discarded.
• To prevent biological growth during system shutdown, it is recommended to perform 30-60 minutes flushing of elements with seawater once in every two days.

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Disclaimer: This summary is based on extracted text and may not include all figures, footnotes, or the latest revisions from the original OEM PDF. For contractual data, always refer to the specific OEM PDF revision used on your project.

Official datasheet (PDF)

PDF datasheet