Toray TM820M-440 7700 GPD Seawater RO Membrane | 8x40 High Area High Rejection

Toray TM820M-440 Seawater Reverse Osmosis Membrane Element The Toray TM820M-440 is a premium high-surface-area 8" x 40" seawater RO membrane engineered for maximum permeate production with excellent salt rejection. With 440 ft² of active membrane area and a 28 mil feed spacer, it delivers higher flow than standard 400 ft² elements while maintaining outstanding performance in seawater and high-salinity applications. Key Specifications: Part Number: TM820M-440 Size: 8.0" x 40" Membrane Area: 440 ft² (41 m²) Nominal Salt Rejection: 99.80% Minimum Salt Rejection: 99.50% Permeate Flow Rate: 7,700 GPD (29.2 m³/day) Minimum Permeate Flow: 6,200 GPD (23.5 m³/day) Feed Spacer: 28 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: Large-scale seawater desalination High-salinity brackish water treatment Industrial & municipal water purification Offshore platforms and marine systems High-flow commercial RO systems Features & Benefits: Larger 440 ft² active area for higher productivity High rejection for superior water quality Optimized 28 mil spacer for reduced fouling and higher flux Robust construction for long element life Wet-tested and vacuum-packed with deoxidant