Description
The XLP-4040 is a 4.0″ × 40.0″ commercial-grade reverse osmosis (RO) membrane element engineered for high-capacity water purification applications, capable of producing up to ~2600 gallons per day (GPD) of purified water under standard test conditions. These membranes are widely used in commercial and industrial RO systems where large volumes of low-TDS water are required for drinking, processing, boiler feed, bottled water production, or other purification needs.
Key Features
- High Production Capacity: Designed to produce about 2600 GPD at nominal operating pressure (typically ~100 psi).
- Extra-Low Energy / Low-Pressure Operation: Advanced thin-film polyamide membrane technology allows strong performance even at lower applied pressures, reducing energy requirements and pump strain.
- Excellent Salt Rejection: Typically ~99 % stable salt rejection for brackish and tap water conditions, producing consistently purified water.
- Durable Construction: Spiral-wound membrane element with robust feed spacer and housing compatibility for commercial RO systems.
- Broad Operating Range: Works across a wide pH range (e.g., ~2–11 continuous, ~1–13 cleaning), accommodating varied source waters and cleaning protocols.
- Wide Compatibility: Fits standard **4″ × 40″ housing vessels used in many commercial RO installations.
Compatibility
Compatible with most commercial and industrial RO systems that use standard 4040 membrane elements, including brands such as:
- Filtration & RO systems with 4″ × 40″ housings
- Dow/Filmtec XLE-4040 or similar XLP membranes
- Vontron XLP series like XLP11-4040
- Hydranautics / Nitto ESPA4-4040 and equivalent brackish water RO elements
- Multiple commercial RO OEMs (provided correct pressure and fittings)
These membranes are typically dry shipped (not wet) for convenient storage and installation.
Specifications
- Type: Spiral-wound polyamide thin-film composite (TFC) reverse osmosis membrane
- Size: 4.0″ × 40.0″ standard commercial membrane
- Rated Permeate Flow: ~2600 GPD (9.8 m³/day) at ~100 psi and standard brackish feed conditions
- Stable Salt Rejection: ~99 % typical under normal test conditions
- Operating Pressure: Up to ~600 psi (41 bar) (varies by manufacturer and model)
- Operating pH Range: Continuous ~2–11; short-term cleaning ~1–13
- Feed SDI: Typically recommended ≤ 5 to avoid premature fouling
- Temperature: Up to ~113 °F (45 °C) depending on membrane design
- Material: Polyamide thin-film composite with spiral wound configuration
Applications
The XLP-4040 membrane is suitable for a variety of commercial and industrial RO water purification tasks, including:
- Commercial drinking water systems
- Food & beverage processing
- Bottled water production
- Boiler feed water preparation
- Laboratory or pharmaceutical water supply
- Car wash and vehicle rinsing systems
- Hotels, restaurants, and institutions
- Agricultural and hydroponic water purification
- Whole-building or multi-point RO systems
- Pre-treatment for DI or polishing systems
These high-yield membranes are ideal for applications where consistent flow and high rejection are essential and where system pressures and feed conditions fall within the membrane’s recommended range.
Maintenance
- Pre-Filtration: Use appropriate sediment and carbon pre-filters to protect the membrane from silt, chlorine, and organics that cause fouling.
- Pressure Monitoring: Maintain stable operating pressure within the manufacturer’s recommended range for optimal permeate production.
- Routine Sanitization: Periodic cleaning with RO-approved chemicals can extend service life, especially in higher TDS or fouling waters.
- Performance Check: Monitor permeate quality and flow rate; significant drops in production or increases in rejection may indicate a need for cleaning or replacement.
- Replacement Interval: Commercial RO membranes typically last 2–3 years or more, depending on feed water quality and system usage.
Why Choose a 2600 GPD XLP-4040 Membrane
- Balanced capacity for many commercial systems without requiring multiple membrane elements.
- Low-energy design enables effective performance and lower pumping costs.
- High rejection and reliability make these membranes suitable for demanding purification tasks.
- Broad compatibility with vendors and upgrades in established 4040 RO housings.
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