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Hydranautics™ ESPA4-LD-4040 Element
Material: W2T844451
Unit of Measure #: EA
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Hydranautics ESPA4-LD-4040 membranes are the lowest feed pressure membranes offering low energy consumption. ESPA4 membranes require ultra-low pressures without compromising high salt rejection and are commonly used in the second pass of a reverse osmosis system.
- Model Name: ESPA4-LD-4040
- Length: 40"
- Diameter: 4"
- Feed Spacer: 19 mil
- Active Membrane: 80 ft²
- Membrane Type: Composite Polyamide
- Operating Pressure: 100 PSI
- Maximum Pressure: 600 PSI
- Permeate Flow Rate: 2,350 GPD
- Nominal Salt Rejection: 99.2%
ESPA4-LD-4040 membranes are used in the treatment of drinking water, industrial process waters, municipal and industrial waste water recovery and reuse because of this exception performance capability. These membranes also serve as part of polishing units in seawater desalination plants when boron rejection is critical.
- Maximum Operating Temperature: 113F (45C)
- Chlorine Tolerance: < 0.1 PPM
- pH Range, Continuous Operation: 2-10
- pH Range, Short Term Cleaning (30min): 1-12
- Maximum Feed Water Turbidity (NTU): 1
- Maximum Feed Water Silt Density Index (SDI): 5
- Maximum Pressure Drop For Each Element: 15 psi
- Maximum Feed Flow: 16 GPM
ESPA4-LD-4040