4040 Ro Membrane

Model 4040 RO Membrane (Standard/High Rejection)
Membrane Type Thin Film Composite (TFC) Polyamide
Size 4.0″ diameter × 40″ length
Active Membrane Area ~85–100 ft² (7.9–9.3 m²)
Salt Rejection Rate ≥ 99.5%
Permeate Flow Rate 2,400 – 2,600 GPD (Gallons per Day)
Operating Pressure 150 – 225 psi (10 – 16 bar)
Maximum Operating Pressure 600 psi (41 bar)
Maximum Feedwater Temperature 45°C (113°F)
pH Range (Operating) 3 – 10
pH Range (Cleaning) 2 – 11
Recovery Rate (System) Up to 15% (single element)
Chlorine Tolerance < 0.1 ppm (Not chlorine-tolerant)
Maximum SDI (Silt Density Index) < 5
Maximum Feedwater TDS ≤ 2,000 ppm (standard models)
End Cap Type Male/Female (Brine Seal/Double O-ring)
Material of Construction Fiberglass-reinforced plastic (FRP) housing
Certifications NSF/ANSI 58, ISO 9001