Toray TM820M-400 Membrane

Product Description

Following 4”, 8” and 16” membranes can be used in multiple membrane systems to treat sea water or high salinity water > 10'000 ppm. The 4” membrane types can be used for small private or shipboard sea water desalination.

1. Membrane Type   Cross Linked Fully Aromatic Polyamide Composite
2. Test Conditions Feed Water Pressure Feed
Water Temperature Feed
Water Concentration
Recovery Rate
Feed Water pH
800 psi (5.52MPa)
77°F (25°C)
32,000 mg/l Nacl
3. Minimum Salt Rejection   99.5%
4. Minimum Product Flow Rate   5,600gpd (21.2m³/d) (TM820M-400)
6,200gpd (23.5m³/d) (TM820M-440)
5. Boron Rejection (typical value)   95% at pH 8 (5mg/l Boron added to Feed water)
Type DiameterInch Membrane Area ft² (m²) Salt Rejection% Product Flow Rate gpd(m³/d) Feed Spacer Thickness mil
TM820M-400 8” 400 (37) 99.8 7,000(26.5) 34


Operating Limits
  • Maximum Operating Pressure: 1200psi (8.3 MPa)
  • Maximum Feed Water Temperature: 113°F (45°C)
  • Maximum Feed Water SDI15: 5
  • Feed Water Chlorine Concentration: <0.1ppm
  • Feed Water pH Range, Continuous Operation: 2-11
  • Feed Water pH Range, Chemical Cleaning: 1-12
  • Maximum Pressure Drop per Element: 15 psi (0.10 MPa)
  • Maximum Pressure Drop per Vessel: 50 psi (0.34 MPa)



  • Desalination
  • Industrial and commercial use


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(1 review) Write a Review
  • 5
    fast shipping

    Posted by Ivandro V. on Apr 11th 2018

    Very professional company and teriffic products.

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