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Starting at $672.95
Black Max Extra Low Pressure Reverse Osmosis Membrane RSR 1200 GPD 4021 BME4021SXL
Description
Black Max Extra Low Pressure Reverse Osmosis Membrane RSR 1200 GPD 4021 BME4021SXL
Product Overview:
The Black Max membrane is designed for commercial reverse osmosis systems, delivering reliable performance at extra low pressure (100 PSI). Suitable for both drinking water and brackish water applications, this membrane is commonly used in RSR1200 systems and other RO systems requiring a 4″ × 21″ membrane.
Performance Specifications:
- Production Rate:
- Tested at 1500 mg/L NaCl feed water
- Temperature: 25°C
- System Pressure: 100 PSI
- Recovery: 15%
- pH: 7.5
- Permeate Flow: May vary ±15%
Recommended Feed Water Pretreatment:
- TDS: < 2000 ppm
- Hardness: < 6 grains/gal (103 mg/L)
- Total Iron: < 0.05 ppm
- Tannin: < 0.5 ppm
- Chlorine: < 0.1 ppm
- pH Range: 2.0 – 11.0
- Organic/Microbiological Activity: 0
- Manganese: < 0.05 ppm
- Hydrogen Sulfide: 0
- Turbidity: < 1 NTU
- Silt Density Index (SDI): < 4.0
Operating & Storage Guidelines:
- Keep elements sealed and moist during storage; drying will cause irreversible damage.
- Protect from freezing and direct sunlight.
- Discard permeate from the first hour of operation.
- Do not operate L/XL elements at pressures exceeding rated output—this can cause premature fouling and elevated product TDS.
Brand: Franklin Water Treatment
Part Numbers: BME-4021SL & BME4021SXL
