product parameters
| Products name | Commercial RO Membrane | Test Feed Water | 500 ppm (NaCl) |
| Model Number | SLW-3213-800G | Test Temperature | 25.0 ± 2°C |
| Daily Capacity | 800 GPD | pH Range | 7.5 – 8.0 |
| Salt Rejection | 97% | Recovery Rate | 15 ± 1% |
| Max Operating Pressure | 100 PSI | Operating Pressure | 65 PSI |
| Max Feed SDI | ≤ 5 | Continuous Operation pH Range | 4 – 11 |
| Max Feed Temperature | 45°C | Max Free Chlorine Concentration | < 0.1 ppm |
3213 RO Membrane
Dimensional and Structural Details
Standardized Dimensions
3212：3.2 inches in diameter and 13 inches in length
Spiral-Wound Membrane Structure
High Surface Area and Optimal Flow Efficiency
End-Cap Design
The end caps are designed for high-pressure durability
Membrane housing
This provides structural support against pressure fluctuations
Production Capacity and Application Scenarios
Daily Processing Capacity
800 GPD (equivalent to 3.03 m³/day)
Permeate Flow Rate
126 liters/hour
Application Scenarios
Small to Medium-sized applications
Commercial Office Breakroom
The system easily covers the daily needs of over 200 people with a total output of 3.03 m³/day, and by pairing a 126 L/h flow rate with a 50-80 L pressure storage tank, it effectively manages peak-hour demand while using a 97% salt rejection rate to remove chlorine and odors, ensuring refreshing water quality that meets commercial beverage equipment standards.
Small-Scale Laboratory Cleaning
To meet the high purity requirements of laboratory environments, the system utilizes a broad operating pH range of 4-11 and a cleaning pH range of 2-12 to adapt to various pretreatment processes, ensuring the system remains free from biofouling during long-term low-load operation, while real-time TDS monitoring guarantees a stable output of 100-120 L/h of high-quality water throughout different experimental cycles.
Boutique Chain Restaurant/Coffee Shop
The catering industry demands continuous supply, so the system processes approximately 20,000 liters of feed water at a 15% recovery rate to yield 3.03 m³ of permeate, using a 100 L multi-tank parallel storage setup to compensate for flow limitations while requiring a pressure-stabilizing device to maintain steady 65 PSI operation, thereby preventing TDS spikes from pressure fluctuations and ensuring the long-term durability of coffee machine boilers.
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