Toray TM820V-400 9000 GPD Seawater RO Membrane | 8x40 High Flow High Rejection

Toray TM820V-400 Seawater Reverse Osmosis Membrane Element

The Toray TM820V-400 is a high-flow 8" x 40" seawater RO membrane from Toray’s advanced V-series. It combines excellent salt rejection with significantly higher permeate production, making it ideal for high-output desalination systems where maximum flow is required without sacrificing water quality.

Key Specifications:

• Part Number: TM820V-400
• Size: 8.0" x 40"
• Membrane Area: 400 ft² (37 m²)
• Nominal Salt Rejection: 99.80%
• Minimum Salt Rejection: 99.50%
• Permeate Flow Rate: 9,000 GPD (34.1 m³/day)
• Minimum Permeate Flow: 7,500 GPD (28.4 m³/day)
• Feed Spacer: 34 mil
• Test Conditions: 800 psi, 77°F (25°C), 32,000 mg/L NaCl, 8% recovery, pH 7
• Membrane Type: Cross-linked fully aromatic polyamide composite
• Boron Rejection (typical): ~95% at pH 8

Applications:

• High-capacity seawater desalination
• Large-scale municipal and industrial RO systems
• Offshore platforms & marine vessels
• High-salinity brackish water treatment
• Commercial water purification plants

Features & Benefits:

• Exceptional 9,000 GPD flow rate (higher than standard M-series)
• Maintains high 99.80% salt rejection
• Reliable 34 mil feed spacer for balanced flow and fouling resistance
• Robust Toray membrane chemistry for long service life
• Wet-tested and vacuum-packed for immediate installation