CSM (RE4021-BE) 4"x21"; 1000 GPD BRACKISH / TAP WATER
CSM RE4021-BE Membrane Performance
Membrane Element Specifications
| Membrane Type | Thin Film Composite (TFC) |
| Configuration | Spiral wound element |
| Maximum Operating Pressure | 600 psi (4.14 MPa) |
| Maximum Operating Temperature | 113°F (45°C) |
| pH Range (Continuous) | 3 – 10 |
| Salt Rejection Rate | 99.0% minimum (typical for brackish water) |
| Element Dimensions | 4.0" diameter × 21" length |
System Integration & Use Cases
The CSM RE4021-BE membrane fits standard 4" commercial RO housings and is designed for brackish water or tap water applications in restaurants, small bottling operations, laboratories, dental offices, car washes, and light commercial settings. This element works best when paired with proper pre-filtration (5-micron sediment minimum) and carbon filtration to remove chlorine. Compatible with most commercial RO systems using 4-inch membranes including models from Watts, Axeon, Applied Membranes, and other major brands. Ideal for operations requiring 800-1200 gallons per day of purified water with feed TDS below 2000 ppm.
CSM RE4021-BE Membrane Performance
Membrane Element Specifications
| Membrane Type | Thin Film Composite (TFC) |
| Configuration | Spiral wound element |
| Maximum Operating Pressure | 600 psi (4.14 MPa) |
| Maximum Operating Temperature | 113°F (45°C) |
| pH Range (Continuous) | 3 – 10 |
| Salt Rejection Rate | 99.0% minimum (typical for brackish water) |
| Element Dimensions | 4.0" diameter × 21" length |
System Integration & Use Cases
The CSM RE4021-BE membrane fits standard 4" commercial RO housings and is designed for brackish water or tap water applications in restaurants, small bottling operations, laboratories, dental offices, car washes, and light commercial settings. This element works best when paired with proper pre-filtration (5-micron sediment minimum) and carbon filtration to remove chlorine. Compatible with most commercial RO systems using 4-inch membranes including models from Watts, Axeon, Applied Membranes, and other major brands. Ideal for operations requiring 800-1200 gallons per day of purified water with feed TDS below 2000 ppm.
Description
CSM RE4021-BE Membrane Performance
Membrane Element Specifications
| Membrane Type | Thin Film Composite (TFC) |
| Configuration | Spiral wound element |
| Maximum Operating Pressure | 600 psi (4.14 MPa) |
| Maximum Operating Temperature | 113°F (45°C) |
| pH Range (Continuous) | 3 – 10 |
| Salt Rejection Rate | 99.0% minimum (typical for brackish water) |
| Element Dimensions | 4.0" diameter × 21" length |
System Integration & Use Cases
The CSM RE4021-BE membrane fits standard 4" commercial RO housings and is designed for brackish water or tap water applications in restaurants, small bottling operations, laboratories, dental offices, car washes, and light commercial settings. This element works best when paired with proper pre-filtration (5-micron sediment minimum) and carbon filtration to remove chlorine. Compatible with most commercial RO systems using 4-inch membranes including models from Watts, Axeon, Applied Membranes, and other major brands. Ideal for operations requiring 800-1200 gallons per day of purified water with feed TDS below 2000 ppm.
