TM820-370

Summary

Product identification

These are Sea Water Reverse Osmosis (RO) Elements from the TM800C series, featuring a Cross Linked Fully Aromatic Polyamide Composite membrane.

Two models are detailed:

• TM820C-370
• TM820C-400

Test Conditions

Performance data is measured under the following 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

Performance Data

Typical Performance:

• TM820C-400
  • Product Flow Rate: 6,500 gpd (24.6 m³/d)
  • Salt Rejection: 99.75%
  • Membrane Area: 400 ft² (37 m²)
• TM820C-370
  • Product Flow Rate: 6,000 gpd (22.7 m³/d)
  • Salt Rejection: 99.75%
  • Membrane Area: 370 ft² (34 m²)

Minimum Performance:

• Minimum Product Flow Rate:
  • TM820C-370: 4,800 gpd (18.2 m³/d)
  • TM820C-400: 5,200 gpd (19.7 m³/d)
• Minimum Salt Rejection: 99.5%
• Boron Rejection (typical value): 93% 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: 1-12
• Maximum Pressure Drop per Element: 20 psi (0.14 MPa)
• Maximum Pressure Drop per Vessel: 60 psi (0.4 MPa)

Mechanical / hydraulic

• Diameter: 8 inches
• Feed Spacer Thickness:
  • TM820C-400: 34/31 mil
  • TM820C-370: 34/28 mil

Operating Information and Notices

• For the recommended design range, users should consult the latest Toray technical bulletin, design guidelines, computer design programs, and/or an application specialist.
• Failure to strictly follow the operating limits will void the Limited Warranty.
• Elements are wet tested, treated with a tested feed water solution, and vacuum packed in oxygen barrier bags with deoxidant inside.
• To prevent biological growth during system shutdown, it is recommended to flush Toray elements with seawater for 30-60 minutes every two days.
• Free chlorine and other oxidizing agents (especially with heavy metals acting as oxidation catalysts) in the feed water can cause unexpected oxidation of the membrane. It is strongly recommended to remove these oxidizing agents before operating the RO system.
• Permeate from the first hour of operation shall be discarded.
• The customer is fully responsible for the effects of chemicals incompatible with the elements; their use will void the element Limited Warranty.
• Toray accepts no responsibility for results obtained by the application of this information or the safety or suitability of Toray's products, either alone or in combination with other products. Users are advised to perform their own tests to determine safety and suitability.
• All data may change without prior notice due to technical modifications or production changes.

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Disclaimer: This summary is based on the provided text extraction. It may not include all figures, footnotes, or the latest revisions found in the complete OEM PDF datasheet. For contractual data, always refer to the specific OEM PDF revision used on the project.

Official datasheet (PDF)

PDF datasheet