Product Overview: The Industry Standard for High-Volume Filtration
The 8040 Reverse Osmosis (RO) Membrane is the powerhouse of industrial water treatment. Measuring 8 inches in diameter and 40 inches in length, this membrane is engineered for massive water production environments. Whether you are running a high-capacity mineral water factory, a textile processing unit, or a large-scale housing society filtration plant, the 8040 membrane provides the highest salt rejection and permeate flow in the industry.
As a premier wholesale supplier in Pakistan, we provide factory-direct 8040 membranes that are tested for the unique water conditions of our regionβfrom the high-salinity bore water of Karachi to the heavy-metal challenges in industrial Faisalabad.
Detailed Key Features
1. Massive Production Capacity (10,500 GPD)
A single 8040 membrane is capable of producing approximately 380 to 450 liters of pure water per hour. For a standard 1000 LPH plant, only three 8040 membranes are required to meet demand efficiently, reducing the complexity of your pipework compared to multiple smaller 4040 units.
2. Advanced Multi-Layer Polyamide TFC
Our membranes utilize a Thin-Film Composite (TFC) design with high-rejection layers. This technology ensures a 99.7% salt rejection rate, effectively removing arsenic, fluoride, lead, and dissolved salts, ensuring your product water exceeds PFA (Punjab Food Authority) and PSQCA standards.
3. High-TDS Tolerance (Brackish Water Ready)
Our BW-8040 (Brackish Water) series is specifically built to handle feed water with TDS levels up to 3,000 ppm. For areas with lower TDS, our LP (Low Pressure) series allows for the same high output but with significantly lower electricity consumption, saving your business thousands in monthly utility bills.
4. Anti-Fouling Design
The 8040 series features a wider feed spacer. This design reduces the rate of “fouling” (clogging) caused by biological growth or sediment, meaning you spend less time on Chemical-In-Place (CIP) cleaning and more time in production.
Technical Specifications (Wholesale Grade)
| Parameter | Specification |
| Model Number | 8040 (Industrial Series) |
| Membrane Dimensions | 8.0″ Diameter x 40″ Length |
| Permeate Flow Rate | 10,500 Gallons Per Day (GPD) |
| Salt Rejection Rate | 99.5% – 99.7% (Stabilized) |
| Active Surface Area | 400 Square Feet |
| Max. Feed Flow Rate | 75 Gallons Per Minute (GPM) |
| Max. Operating Temperature | 45Β°C (113Β°F) |
| pH Range (Continuous) | 2 β 11 |
| Feed Water Silt Density Index (SDI) | < 5 |
Comprehensive Q&A for Industrial Buyers
Q1: What is the current wholesale price for 8040 membranes in Pakistan?
Due to fluctuating exchange rates, prices are updated weekly. For bulk/wholesale buyers (Carton quantities), we offer significant discounts. Generally, prices for premium 8040 membranes range from PKR 90,000 to PKR 165,000 per unit. Please contact our sales team for a formal quote.
Q2: How many 8040 membranes do I need for a 2000 LPH industrial plant?
For a 2000 LPH system, we typically recommend a configuration of 5 to 6 membranes (depending on the raw water TDS and pump pressure) to ensure the system operates under low stress and maintains a long lifespan.
Q3: Can I replace a Dow FilmTec 8040 with an Atlantic or Vontron membrane?
Yes. All 8040 membranes follow international sizing standards. They are 100% interchangeable and will fit into any standard 8-inch FRP or Stainless Steel pressure vessel.
Q4: Do you offer delivery to industrial zones outside of Lahore and Karachi?
Yes. We specialize in nationwide logistics. We provide insured, palletized shipping to industrial zones in Faisalabad,Rawalpindi,Islamabad, Multan, Hub, Gadoon, and Hattar. We ensure the membranes are handled with care to prevent any internal layer damage during transit.
π‘οΈ 1-Year Performance Warranty: We provide a comprehensive 12-month warranty against manufacturing defects, ensuring your industrial investment is safe.
π οΈ Technical Consultation & Support: Our engineers offer free advice on membrane loading, flow calculations, and antiscalant dosing to help you get the best recovery rate.
π Nationwide Bulk Distribution: As a wholesale hub, we maintain ready stock for immediate delivery to all major cities and industrial hubs across Pakistan.


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