Filmtec BW30-4040 RO Membrane – Brackish Water Reverse Osmosis Element by DOW (USA) for Industrial Water Filter in Pakistan

The Filmtec BW30-4040 RO Membrane by DOW (DuPont USA) is a top-tier, industrial-grade reverse osmosis membrane designed specifically for brackish water Filter systems in Pakistan. With a massive (gallons per day) capacity, this 4×40 inch membrane is the perfect solution for factories, bottling plants, hospitals, commercial filtration setups, and water treatment facilities that require consistent, high-quality water output.

⚙️ Built for High Performance – Flow Rate

Whether you’re running a mid-sized commercial RO system or managing industrial water filtration, this Filmtec BW30-4040 RO membrane provides a high-capacity output. It is ideal for systems that produce less than 10 gallons per minute (GPM) and are used in challenging water conditions, especially where silt, TDS, and hardness levels are high.

🔧 Standard 4×40 Inch Design – Universal Fit

This membrane fits all standard 4×40-inch RO housings, making it a seamless replacement for:

• DOW Filmtec BW30 PRO-4040

• LC HR-4040

• Hydranautics ESPA2-4040

• Applied Membranes M-T4040

Its fiberglass-wrapped shell ensures structural stability even under high-pressure operations, making it a robust choice for long-term industrial use.

💧 99.5% Salt Rejection – High Purity Water Output

The Filmtec BW30-4040 features Thin-Film Composite (TFC) membrane material, offering an impressive 99.5% salt rejection rate. It effectively removes:

• Total Dissolved Solids (TDS)

• Hardness and salts

• Chemicals and chlorine by-products

• Organic and inorganic contaminants

This ensures safe, clean, and mineral-reduced water that meets the needs of commercial and industrial processes.

🔄 Wide pH Cleaning Range (1–13)

Engineered for tough environments, this membrane is cleanable across a wide pH range of 1 to 13, allowing for:

• Better fouling resistance

• Reduced frequency of maintenance

• Extended membrane lifespan

This feature makes the BW30-4040 ideal for high-fouling waters found in Pakistan’s groundwater and brackish sources, particularly in regions like Karachi, Lahore, Faisalabad, and Multan.

🌍 USA-Made Quality – Certified by NSF

Manufactured in the USA by DOW (DuPont), this membrane is built using automated fabrication processes, ensuring:

• Superior membrane uniformity

• Consistent water production

• High resistance to scaling and fouling

It is NSF certified for safety and performance, making it suitable for both industrial applications and drinking water systems.

🏭 Applications – Ideal for Pakistan’s Industrial Needs

This industrial RO membrane is designed for:

• Brackish water desalination

• Municipal water treatment

• Hospital and healthcare water systems

• Food and beverage plants

• Pharmaceutical production

Its high-flow design and fouling resistance make it the preferred choice for water treatment plants in Pakistan looking for long-lasting reliability and efficiency.

🔍 Key Technical Specifications:

• Model: BW30-4040

• Membrane Type: Thin Film Composite (TFC)

• Dimensions: 4×40 inches

• Max Pressure: 600 psi

• Max Temperature: 45°C (113°F)

• Salt Rejection: 99.5%

• pH Range (Cleaning): 1 – 13

• Certifications: NSF, ISO compliant

• Origin: Made in USA (DuPont)

✅ Why Choose Filmtec BW30-4040?

• ✔️ Exceptional 99.5% salt rejection

• ✔️ Wide pH cleaning range: 1–13

• ✔️ Durable TFC membrane with fiberglass wrapping

• ✔️ Ideal for brackish water & industrial use in Pakistan

• ✔️ Fits all standard 4×40 inch RO housings

• ✔️ Manufactured in USA by DOW/DuPont

Upgrade your industrial water purification system with the Filmtec BW30-4040 RO Membrane, the reliable and high-performing choice for challenging brackish water filtration conditions in Pakistan. Whether you operate a water bottling plant, municipal RO system, or industrial filtration setup, this DOW membrane delivers pure, safe, and dependable water output day after day.

FAQ’s (Frequently Asked Questions)

Q1: What type of water is the Filmtec BW30-4040 membrane designed for?
A: This membrane is specifically designed for brackish water and high-TDS industrial sources, making it ideal for commercial, municipal, and industrial RO systems in Pakistan.

Q2: What contaminants can the BW30-4040 remove?
A: It effectively removes up to 99.5% of total dissolved solids (TDS), salts, hardness, chemicals, chlorine by-products, and organic/inorganic contaminants, ensuring high-purity water output.

Q3: Is the BW30-4040 compatible with standard industrial RO housings?
A: Yes, it is a 4×40 inch standard membrane that fits all compatible industrial RO housings. It can replace membranes such as DOW Filmtec BW30 PRO-4040, Hydranautics ESPA2-4040, LC HR-4040, and Applied Membranes M-T4040.

Q4: How durable is the Filmtec BW30-4040 membrane?
A: It features fiberglass-wrapped construction and a wide pH cleaning range of 1–13, allowing chemical cleaning for fouling resistance and long-term operation in high-TDS and industrial water conditions.

Q5: Who manufactures the BW30-4040 membrane and is it suitable for Pakistan’s water conditions?
A: Manufactured by DOW (DuPont USA), this membrane is NSF certified and built to withstand Pakistan’s challenging brackish and high-TDS water, making it ideal for factories, bottling plants, hospitals, and municipal water treatment systems.