Datasheet summary
TR70-4021-HF
Engineering summary from PDF text extraction for TR70-4021-HF. Verify every value with the OEM datasheet.
Summary
Product identification
These are 4 x 21 inch tape wrap brackish elements.
- Models: TR70-4021-HF & TRH-4021
- Membrane Type: Crosslinked Aromatic Polyamide, Negative Charge
- Element Configuration: Spiral Wound, Tape Wrap
Product water
Performance specifications are averaged for 100 elements after 1 hour operation, with a Product Flow Rate tolerance of +/- 15% and a minimum Salt Rejection of 98%.
| Model | Type | Salt Rejection avg. | Product Flow Rate | Test Conditions |
|---|---|---|---|---|
| TR70-4021-F | Normal Flux | 99.4 % | 4’000 l/d (1’055 gpd) | A |
| TR70-4021-HF | High Flow | 99.4 % | 5’400 l/d (1’425 gpd) | A |
| TRH-4021 | Low Pressure, High Flow | 99.0 % | 4’700 l/d (1’240 gpd) | B |
Test Conditions:
- A:
- Temperature: 25 °C
- Feed Solution, Concentration: 1500 ppm NaCl
- Feed Pressure: 15 bar
- Brine : Permeate ratio: 5 : 1
- Feed pH: 6.5 - 7.5
- B:
- Temperature: 25 °C
- Feed Solution, Concentration: 500 ppm NaCl
- Feed Pressure: 7.5 bar
- Brine : Permeate ratio: 5 : 1
- Feed pH: 6.5 - 7.5
Operating limits
- Recommended Operating Pressure: < 15.0 kg/cm² (216 psi)
- Maximum: 20 kg/cm² (288 psi)
- Operating Temperature: < 35 °C (95 °F)
- Maximum: 35 °C (95 °F)
- pH Range, Continuous Operation: 3 - 11
- pH Range, Chemical Cleaning: 3 - 11
- Feed Flow Rate per Vessel: < 2’200 l/h (10 gpm)
- Brine Flow Rate per Vessel: > 600 l/h (2.6 gpm)
- Brine/Permeate Flow Ratio: 5 : 1
- Pressure Drop (per Element): 0.5 kg/cm² (7 psi)
- Pressure Drop (per Vessel): 1.0 kg/cm² (14 psi)
Feed water
- Turbidity (SDI₁₅): < 5
- Chlorine Concentration: 0 ppm
Mechanical / hydraulic
- Nominal Dimensions: 4 inch (101 mm) diameter x 21 inch (533 mm) length
Disclaimer: This summary is based on extracted text and may not include all figures, footnotes, or the latest revisions from the OEM PDF datasheet. For contractual data, always refer to the specific OEM PDF revision used on your project.
Official datasheet (PDF)
Curated from selected public technical reference material for discovery and preliminary comparison. This summary is not a substitute for a current certified manufacturer datasheet. Verify revisions and design limits before use.