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4040 RO Membrane | 4”×40” Reverse Osmosis Element (TFC) | STARK
4040 RO Membrane | 4”×40” Reverse Osmosis Element (TFC) | STARK - Imagen 2
4040 RO Membrane | 4”×40” Reverse Osmosis Element (TFC) | STARK - Imagen 3
4040 RO Membrane | 4”×40” Reverse Osmosis Element (TFC) | STARK - Imagen 4
4040 RO Membrane | 4”×40” Reverse Osmosis Element (TFC) | STARK - Imagen 5
4040 RO Membrane | 4”×40” Reverse Osmosis Element (TFC) | STARK - Imagen 6
4040 RO Membrane | 4”×40” Reverse Osmosis Element (TFC) | STARK - Imagen 7

4040 RO Membrane | 4”×40” Reverse Osmosis Element (TFC) | STARK

4040 Reverse Osmosis (RO) Membrane Element — thin-film composite (TFC) polyamide, 4” × 40” size, compatible with standard 4040 pressure vessels. Designed for brackish water, low-energy and fouling-resistant duties in commercial and light-industrial RO systems. Typical nominal salt rejection ≥ 99% with permeate flows in the 2,000–2,800 GPD range under standard test conditions.Note: Final performance depends on feed quality, temperature and operating pressure. We engineer the element selection to your water analysis and pretreatment.

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Descripción del producto

The STARK 4040 Membrana de ósmosis inversa uses a high-selectivity TFC polyamide layer to reject dissolved salts, silica and organics. It fits any standard 4040 housing, making it an easy retrofit for most commercial RO skids. Options include brackish-water high rejection, low-energy (LE) for reduced operating pressure, and fouling-resistant (FR) designs for challenging feeds.

  • Stable permeate quality: nominal rejection ≥ 99% on NaCl at 25 °C; smooth surface polyamide for consistent performance.
  • Energy flexibility: standard BW elements run ~150–225 psi; LE options target lower pressure at similar flux.
  • Serviceability: fits common 4040 vessels; EPDM brine seal; standard 3/4” interconnector ID.
  • Designed for pretreatment trains: pair with 20 µm → 5 µm cartridges, carbon/anti-scalant, and UF/clarification as needed to control SDI and biofouling.

Engineering transparency: All ratings are typical and configurable. Guarantees are confirmed against your feed analysis (TDS/SDI, temperature, chlorine, scaling indices) and the selected operating window.

Parámetros del producto

Technical Parameters (typical values; model-dependent)

Membrane Type Thin-Film Composite (TFC) Polyamide
Element Size 4.0″ × 40″ (4040), OD ~3.9″, ID 0.75″
Active Area ~7.5–8.5 m² (80–90 ft²), depending on model
Nominal Salt Rejection ≥ 99.0% (BW); ≥ 99.2–99.5% for high-rejection variants
Typical Permeate Flow ~2,000–2,800 GPD (7.6–10.6 m³/d) at 25 °C, 2,000 ppm NaCl, pH 7, 15% recovery
Presión de funcionamiento ~1.0–1.6 MPa (150–225 psi) BW/LE; max 4.1 MPa (600 psi) per model limit
Feed Water Temperature 5–45 °C (flux rises with temperature)
pH Range (continuous / cleaning) 2–11 / 1–13
Free Chlorine Tolerance 0 mg/L (TFC polyamide is chlorine-sensitive; dechlorinate upstream)
Max Feed SDI < 5 recommended; lower for sensitive duties
Max Pressure Drop (per element) ≤ 1.0 bar (15 psi)
Recommended Recovery 10–20% per pressure vessel (system design-dependent)
End Connection Standard 4040 brine seal and interconnector; EPDM O-rings
Available Variants BW4040 (high rejection), LE4040 (low energy), FR4040 (fouling-resistant), SW4040 (seawater / higher pressure)
Test Conditions Note Unless stated otherwise: 2,000 ppm NaCl, 25 °C, pH 7, 15% recovery; your results vary with temperature and pressure.

Industria aplicable

  • Commercial & light-industrial RO systems for municipal/brackish feeds
  • Beverage & bottled water polishing
  • Boiler make-up & process water
  • Electronics pre-DI / polishing trains
  • Wastewater reuse after clarification/UF
  • Carwash, HVAC, humidification and rinsing lines

Ventaja Uno

Advantage 1 — High Rejection with Flexible Energy Window

  • Nominal ≥ 99% salt rejection on NaCl with stable permeate conductivity.
  • Low-energy (LE) options to reduce pump pressure and operating cost.
  • Fouling-resistant (FR) construction available for difficult feeds.

Ventaja DOS

Advantage 2 — Easy Retrofit & OEM Support

  • Compatible with standard 4040 pressure vessels and adapters.
  • OEM/Private label available; documentation and QC traceability provided.
  • Application engineering: element selection, pretreatment and dosing guidance based on your water analysis.

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PREGUNTAS FRECUENTES

La vida útil de un sistema de ósmosis inversa depende de la calidad del agua y del mantenimiento. Normalmente, la membrana dura entre 2 y 3 años, mientras que el sistema en sí puede durar más de 10 años con los cuidados adecuados.

Sí, todos nuestros sistemas son totalmente personalizables. Analizamos su informe de aguas y sus necesidades de aplicación antes de ofrecerle soluciones a medida.

Nuestros productos cumplen las normas CE e ISO 9001, y pueden diseñarse para cumplir normativas regionales o estándares industriales específicos si así se solicita.

Los sistemas estándar se envían en un plazo de 7-15 días. Para los pedidos personalizados, el plazo de entrega puede prolongarse hasta 20-25 días en función de la complejidad.

Sí. Proporcionamos documentación técnica completa, asistencia remota por vídeo y podemos enviar ingenieros al extranjero si así se solicita.

Nuestro presupuesto incluye el sistema de ósmosis inversa completo, el panel de control, las bombas, las unidades de pretratamiento y todos los accesorios necesarios. Si lo desea, podemos incluir herramientas de instalación y piezas de repuesto.

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