PWG Membranes – Low Pressure Membranes
Price range: £137.00 through £840.00
Based on our extensive knowledge and experience in distribution, we have selected a limited range of pure water membranes. Our object is to offer you high quality products at a competitive price, while promising excellent availability. If you need any other membranes contact our sales team and we will do our best to fulfil your needs.
Standard pressure: 300 PSI
Higher pressures available on request
Operating Limits
Pressure Fibreglass: 42 bar – 600 psi / Tape wrap: 21 bar – 300 psi
Temperature 45°C
Pressure drop 0.7 bar – 10 psi
Feed flow 6 gpm or 1.3 m3/h (2514/2521) – 12 gpm or 2.7 m3/h (4014/4021) – 16 gpm or 3.6 m3/h (4040) – 75 gpm or 17.1 m3/h (8040)
Chlorine concentration <0.1 pmm
Feedwater SDI < 5
Feedwater Turbidity < 1 NTU
Feedwater pH 3-10
Min ratio concentrate to permeate flow for any element 5:1
| Membrane | Permeate Flow l/h | Nominal Salt Rejection % |
|---|---|---|
| 2521ND | 58 | 99 |
| 2540ND | 126 | 99.1 |
| 4021ND | 181 | 99 |
| 4040ND | 410 | 99.3 |
| 4040HF | 520 | 99.3 |
| 4040HR | 331 | 99.5 |
| 8040ND | 1890 | 99.3 |
| 8040HR | 1654 | 99.6 |
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