LG BW 400 R – High Rejection Brackish Water RO Membrane
LG BW 400 R – High Rejection Brackish Water RO Membrane
- +₹1100 for doorstep delivery.
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Experience exceptional water purity and long-lasting performance with the LG BW 400 R, a premium brackish water reverse osmosis membrane designed for industrial, municipal, and commercial RO systems. Engineered by LG Water Solutions, this membrane delivers superior salt rejection, reliable output, and outstanding durability even under demanding operating conditions.
- Permeate Flow Rate: 10,500–11,000 GPD (39.7–41.6 m³/day)
- Stabilized Salt Rejection: Up to 99.65%
- Active Membrane Area: 400 ft²
- Tested at standard conditions: 2,000 ppm NaCl, 225 psi, 25°C, pH 7, 15% recovery
This membrane is trusted for its high output, stable rejection performance, and proven reliability in RO plants worldwide. Whether you need consistent permeate quality or long-term operational stability, LG BW 400 R is a dependable choice for professional-grade water treatment systems.
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Stabilized Salt Rejection up to 99.65%
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GST invoice available

💧 Benefits
- High salt rejection for excellent water quality
- Good fouling resistance for stable long-term operation
- Durable construction ensuring extended membrane life
📌 Specifications
- Max Operating Pressure: 600 psi
- Max Temperature: 45°C
- pH Range (Operation): 2–11
- pH Range (Cleaning): 2–12
- Max Feed Flow: 75 gpm
- Max Pressure Drop per Element: 15 psi
- Max Feed Water Turbidity: 1 NTU
- Max SDI₁₅: 5.0
📏 Dimensions
- Element Length: 1,016 mm (40")
- Element O.D.: 200 mm (7.9")
- Core Tube I.D.: 28.6 mm (1.125")
- Wet Weight: 16 kg
🌊 Applications
- Industrial process water
- Municipal drinking water systems
- Water reuse and recycling projects
FREQUENTLY ASKED QUESTIONS
Do you provide installation services?
Yes. We install RO plants, softeners, iron removal filters, ETP/STP systems, and all types of domestic & industrial water treatment plants across India.
Do you offer GST invoices?
Yes. Every order comes with a100% GST-compliant invoice, suitable for dealers, resellers, and industrial use.
How do I know which chemical or filter is suitable for my water?
You can share your raw water report, TDS, or problem description. Our technical team will recommend the correct chemical, membrane, filter media, or system.
Please connect with us from Contact Us.
Can I speak to someone before placing an order?
Yes, you can contact us directly via phone, email, or WhatsApp for product guidance or bulk pricing.