Hydranautics

LFC3-LD-4040 Hydranautics Nitto Membranes

$402.93 USD

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Hydranautics LFC3-LD-4040 Low Fouling RO Membrane

The Hydranautics LFC3-LD-4040 is a specialized 4-inch reverse osmosis element designed for the treatment of difficult feedwaters with high organic and colloidal fouling potential. By utilizing a unique neutrally charged surface and hydrophilic membrane chemistry, it significantly reduces fouling rates and restores nominal performance more effectively after cleaning than standard composite membranes. This makes it an ideal solution for municipal and industrial wastewater reclamation projects where consistent permeate quality is required under demanding conditions.

This membrane incorporates advanced LD Technology® (Low Differential Pressure), featuring a 34-mil feed spacer that minimizes the trapping of small colloidal particles and reduces biological growth. This design results in a lower pressure drop ( $\Delta P$ ) across the element, leading to fewer required cleaning cycles and extended membrane life. The LFC3-LD-4040 provides a robust, high-rejection performance that optimizes operational efficiency and reduces the total cost of ownership for complex water treatment systems.

SPECIFICATION	DETAILS
Model Number	LFC3-LD-4040
Manufacturer	Hydranautics (Nitto)
Membrane Type	Low Fouling Composite Polyamide
Element Dimensions	4.0" Diameter x 40" Length
Permeate Flow Rate	2,100 GPD (7.95 m³/d)
Stabilized Salt Rejection	99.7%
Minimum Salt Rejection	99.5%
Active Surface Area	80 ft² (7.43 m²)
Feed Spacer Thickness	34 mil
Test Pressure	225 psi (1.55 MPa)
Max Operating Pressure	600 psi (4.14 MPa)
Max Operating Temp	113°F (45°C)
pH Range (Continuous)	2 – 10
pH Range (Cleaning)	1 – 12

Hydranautics' unique hydrophilic chemistry make these the only true low-fouling membrane in the industry for applications which demand high-efficiency flow and the highest salt rejection LFC3 LD
The Low Fouling Composite LFC3-LD (Low Differential pressure) provides a neutral surface charge that reduces fouling in wastewater and surface water with high fouling potential for reuse and reclaim applications.
4.0" Elements
Model #	Diameter x Length	GPD	Rejection	Typical Pressure
LFC3-LD-4040	4.0 x 40	2,100	99.70%	225

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LFC3-LD-4040 Hydranautics Nitto Membranes