TRH-4040

Summary

Product identification

• Membrane Type: Crosslinked Aromatic Polyamide, Negative Charge
• Element Configuration: Spiral Wound, Tape Wrap
• Model: TRH-4040 (also TR70-4040-HF, TR70-4040-F)

Performance Specifications

The following performance specifications are based on specific test conditions for each model:

Model-Specific Performance:

• TR70-4040-F
  • Description: Normal Flux
  • Salt Rejection avg.¹,²: 99.4 %
  • Product Flow Rate¹,²: 8’900 l/d (2’350 gpd)
  • Test conditions: A
• TR70-4040-HF
  • Description: High Flow
  • Salt Rejection avg.¹,²: 99.4 %
  • Product Flow Rate¹,²: 11’900 l/d (3’140 gpd)
  • Test conditions: A
• TRH-4040
  • Description: Low Pressure, High Flow
  • Salt Rejection avg.¹,²: 99.0 %
  • Product Flow Rate¹,²: 10’300 l/d (2’720 gpd)
  • Test conditions: B

Notes on Performance:

1. Average value for 100 elements after 1 hour operation. Product Flow Rate ± 15%.
2. Salt Rejection minimum 98 %.
3. Minimum Performance data are for any single element.

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 (Both feed and brine water must meet this range)
• 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 (Flow ratio of brine to permeate for each single element)
• Pressure Drop (per Element): 0.5 kg/cm² (7 psi)
• Pressure Drop (per Vessel): 1.0 kg/cm² (14 psi)
  • Elements must be cleaned when pressure drop increases to 1.5 times of the initial value.

Feed water

• Feedwater Turbidity (SDI₁₅): < 5 (SDI₁₅ = Silt Density Index measured according to ASTM D4189)
• Feedwater Chlorine Concentration: 0 ppm

Mechanical / hydraulic

• Overall Length: 40’’ (1016 mm)
• Overall Diameter: 4’’ inch (101 mm)
• Permeate tube dimensions indicated: 0.75’’, 1’’ (25.4 mm)

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Disclaimer: This summary is based on the provided text extract and may not include all figures, footnotes, or the latest revisions from the complete OEM PDF datasheet. Contractual data must match the specific OEM PDF revision used on the project.

Official datasheet (PDF)

PDF datasheet