Toray TM820M-440 Membrane

Quality parts at an exceptional value
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-440 8” 440 (41) 99.8 7,700 (29.2) 28


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



(1 review) Write a Review
  • 5
    Great price

    Posted by Pedro D. on Mar 13th 2019

    State-of-the-art service and membranes :)

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