BW-34-4025
BW-34-4025 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 × 635 mm
- Salt rejection
- 99.5%
- Permeate flow
- 3.407 m³/d (900 GPD)
Tested at 1,500–2,000 ppm NaCl, 25 °C (77 °F), 6.9 bar (100 psi), pH 7 (± 0.5), 15% recovery.
Lead time is confirmed with your quote and depends on order size.
- Model
- BW-34-4025
- Segment
- Commercial
- Family
- Brackish
- Element size
- 4" × 25"
- Active area
- 4.7 m² (50 ft²)
- Feed spacer
- 34 mil
- Salt rejection
- 99.5%
- Permeate flow
- 3.407 m³/d (900 GPD)
- Test pressure
- 6.9 bar (100 psi)
- Max temperature
- 45°C
- Maximum operating pressure
- On request
- pH range (operation / cleaning)
- On request
- TDS class
- brackish
Tested at 1,500–2,000 ppm NaCl, 25 °C (77 °F), 6.9 bar (100 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 BW-34-4025?
BW-34-4025 is listed at 99.5% salt rejection. Tested at 1,500–2,000 ppm NaCl, 25 °C (77 °F), 6.9 bar (100 psi), pH 7 (± 0.5), 15% recovery.
What element size is BW-34-4025?
BW-34-4025 is a 4" × 25" spiral-wound RO element (size code 4025). Listed maximum operating temperature is 45°C.
Which models is BW-34-4025 cross-referenced with?
BW-34-4025 is cross-referenced with Vontron ULP21-4025 (Comparable specifications), Vontron LP21-4025 (Application review required), CSM (Toray Chemical Korea) RE4025 (Comparable specifications), CSM (Toray Chemical Korea) RE4025-BE / TE / TL (Application review required). 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.