NF · NanofiltrationHigh Flow, 34-mil Feed SpacerHigh Flow (HF)
OSPURA-NF-8040-400-HF-34
Low Pressure, High Productivity: Low pressure application for nanofiltration
- Permeate flow
- 7900gpd
- Salt rejection
- 95%
- Active area
- 400ft²
30 m³/day
stabilized
37 m²
Why this variant
HF — Optimized for higher permeate flow per element, reducing system element count.
34 — 34-mil feed spacer for fouling-prone feed water. Trades a small amount of active area for fouling tolerance.
Performance
- Permeate flow
- 7900gpd
- Permeate flow
- 30m³/day
- Stabilized salt rejection
- 95%
- Minimum salt rejection
- 93%
- Active membrane area
- 400ft²
- Active membrane area
- 37m²
- Feed spacer
- 34mil
Test conditions
- Test pressure
- 45psi
- Test Feed (ppm MgSO₄)
- 2000
Element dimensions
- Length
- 40in
- Outer diameter
- 7.9in
- Port
- 1.125in
Operating limits
- Max operating temperature
- 113°F
- Max operating pressure
- 600psi
- Max pressure drop
- 15psi
- pH range (operating)
- 3 – 10
- pH range (cleaning)
- 2 – 11
- Chlorine tolerance
- <0.1ppm
- Max feed SDI
- 5
Performance data is nominal and varies with feed water, temperature, and operating pressure. See Disclaimer.
Same family