NanoH₂O SW 440 GR G2 Seawater RO Membrane

High salt-rejection seawater reverse osmosis membrane designed to deliver high permeate water quality with energy efficiency in single-pass SWRO systems.

Key Specifications

• Model: SW 440 GR G2
• Active membrane area: 440 ft² (41 m²)
• Permeate flow rate: 8,250 GPD (31.2 m³/day)
• Stabilized salt rejection: 99.89%
• Minimum salt rejection: 99.75%
• Stabilized boron rejection: 93%
• Feed spacer thickness: 28 mil
• Element length: 1,016 mm (40 in)
• Element outside diameter: 200 mm (7.9 in)
• Core tube inside diameter: 28.6 mm (1.125 in)
• Wet weight: 16 kg (35 lb)

Operating Limits

• Maximum applied pressure: 1,200 psi (82.7 bar)
• Maximum operating temperature: 45°C
• Continuous operating pH: 2–11
• Cleaning pH: 1–13
• Maximum free chlorine concentration: below 0.1 ppm
• Maximum feed-water SDI15: 5.0
• Maximum feed-water turbidity: 1.0 NTU

Test conditions: 32,000 ppm NaCl, 5 ppm boron, 800 psi (55.1 bar), 25°C, pH 8, 8% recovery. Permeate flow may vary by ±15% per element.

• : SW 440 GR G2
• : 440 ² (41 ²)
• : 8,250 (31.2 ³/ )
• : 99.89%
• : 99.75%
• : 93%
• : 28 mil
• : 1,016 (40 )
• : 16

Datasheet: NanoH₂O SW 440 GR G2, D-SW440GRG2-EN-050426.