TW-34-4040
TW-34-4040 is a brackish-family spiral-wound thin-film composite RO element. Elements in this range undergo vacuum integrity testing and carry serial numbers.
- Element size
- 101.6 × 1,016 mm
- Salt rejection
- 99.5%
- Permeate flow
- 8.706 m³/d (2,300 GPD)
Tested at 1,500 ppm NaCl, 25 °C (77 °F), 10.3 bar (150 psi), pH 7 (± 0.5), 15% recovery.
Lead time is confirmed with your quote and depends on order size.
- Model
- TW-34-4040
- Segment
- Commercial
- Family
- Brackish
- Element size
- 4" × 40"
- Active area
- 7.5 m² (80 ft²)
- Feed spacer
- 34 mil
- Salt rejection
- 99.5%
- Permeate flow
- 8.706 m³/d (2,300 GPD)
- Test pressure
- 10.3 bar (150 psi)
- Max temperature
- 45°C
- Maximum operating pressure
- On request
- pH range (operation / cleaning)
- On request
- TDS class
- low
Tested at 1,500 ppm NaCl, 25 °C (77 °F), 10.3 bar (150 psi), pH 7 (± 0.5), 15% recovery.
Other sizes in this family
Cross-referenced models
Cross-references support initial selection. Confirm feed water, operating conditions and system compatibility with Hi-Tech before replacement. Published specifications may use different test conditions.
Application review required unless badged otherwise.
Frequently asked questions
What is the salt rejection of TW-34-4040?
TW-34-4040 is listed at 99.5% salt rejection. Tested at 1,500 ppm NaCl, 25 °C (77 °F), 10.3 bar (150 psi), pH 7 (± 0.5), 15% recovery.
What element size is TW-34-4040?
TW-34-4040 is a 4" × 40" spiral-wound RO element (size code 4040). Listed maximum operating temperature is 45°C.
Which models is TW-34-4040 cross-referenced with?
TW-34-4040 is cross-referenced with DuPont (FilmTec) TW30 PRO-4040 (Comparable specifications), LG Chem (NanoH2O) LG TW 4040 (Comparable specifications), Lanxess (LewaBrane) LewaBrane B 4040 TW (Comparable specifications). Cross-references support initial selection. Confirm feed water, operating conditions and system compatibility with Hi-Tech before replacement. Published specifications may use different test conditions.