PWG 8040ND Low Pressure Reverse Osmosis Membrane Element 8" x 40"
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PWG 8040ND Low Pressure Reverse Osmosis Membrane Element 8" x ...
PWG 8040ND Low Pressure Reverse Osmosis Membrane Element 8" x 40"
The PWG 8040ND Low Pressure Reverse Osmosis Membrane Element 8" x 40" is a premium low-pressure RO membrane designed to deliver high-quality purified water while reducing energy consumption. Engineered for commercial and industrial reverse osmosis systems, the 8040ND combines excellent salt rejection with high permeate flow, making it an ideal choice for potable water treatment, process water production, food and beverage applications, and general industrial water purification.
Manufactured to stringent quality standards, the PWG 8040ND provides reliable long-term performance, consistent water quality, and excellent value for replacement or new RO installations.
Key Features
- High-performance 8" x 40" low pressure reverse osmosis membrane
- Produces up to 12,000 GPD (1,900 L/h) permeate flow*
- Excellent 99.3% nominal salt rejection
- Designed for lower operating pressure to reduce energy costs
- Suitable for commercial and industrial RO systems
- Fibreglass outer wrap for durability
- Compatible with most standard 8040 membrane pressure vessels
- Ideal for municipal water and low TDS feedwater applications
- Reliable long service life with proper pre-treatment
*Permeate flow may vary by ±20%.
Typical Applications
The PWG 8040ND membrane is suitable for:
- Commercial reverse osmosis systems
- Industrial process water
- Drinking water production
- Food & beverage manufacturing
- Pharmaceutical pre-treatment
- Hospitality and catering
- Agriculture and irrigation
- Boiler feed water
- Water reuse systems
Technical Specifications
| Specification | Value |
|---|---|
| Product | PWG 8040ND |
| Membrane Type | Low Pressure Reverse Osmosis |
| Size | 8" x 40" |
| Nominal Permeate Flow | 12,000 GPD (1,900 L/h) |
| Nominal Salt Rejection | 99.3% |
| Membrane Length | 1016 mm |
| Diameter | 200 mm |
| Connection Diameter | 28.6 mm |
| Weight | 16.4 kg |
| Maximum Operating Temperature | 45°C |
| Maximum Pressure (Fibreglass) | 42 bar (600 psi) |
| Maximum Pressure (Tape Wrap) | 21 bar (300 psi) |
| Maximum Pressure Drop | 0.7 bar (10 psi) |
| Maximum Feed Flow | 75 GPM (17.1 m³/h) |
| Feedwater SDI | <5 |
| Feedwater Turbidity | <1 NTU |
| Free Chlorine | <0.1 ppm |
| Feedwater pH | 3–10 |
| Minimum Concentrate Ratio | 5:1 |
Performance figures are based on a 1,500 ppm NaCl solution, 10.3 bar (150 psi) operating pressure, 25°C, 10% recovery, and pH 6.5–7.0.
Benefits of the PWG 8040ND
The low-pressure design allows the membrane to produce excellent water quality while operating at reduced pressure compared to conventional RO membranes. This can help lower energy consumption without compromising rejection performance, making it an economical solution for continuous water treatment.
Its robust construction and standard 8040 dimensions also make it a straightforward replacement for many existing industrial reverse osmosis systems.
Compatible Replacement Membranes
The PWG 8040ND is designed as a replacement for many standard 8" x 40" low-pressure RO membranes, including equivalents from:
Equivalent to:
- Hydranautics ESPA1-8040
- Oltremare LOW1-8040
- Toray TMG20D-8040
- Vontron ULP31-8040
- Applied Membranes XLE-8040
- Axeon HF5-8040
- Canpure ULP-8040
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