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Industrial RO element

BW-28-400 / BW-34-400

BW-28-400 / BW-34-400 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
203.2 × 1,016 mm
Salt rejection
99.5%
Permeate flow
39.747 m³/d (10,500 GPD)

Tested at 2,000 ppm NaCl, 25 °C (77 °F), 10.3 bar (150 psi), pH 7 (± 0.5).

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Lead time is confirmed with your quote and depends on order size.

Model
BW-28-400 / BW-34-400
Segment
Industrial
Family
Brackish
Element size
8" × 40"
Active area
37.2 m² (400 ft²)
Feed spacer
28 / 34 mil
Salt rejection
99.5%
Permeate flow
39.747 m³/d (10,500 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
brackish

Tested at 2,000 ppm NaCl, 25 °C (77 °F), 10.3 bar (150 psi), pH 7 (± 0.5).

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.

View certificates by facility and product scope.

Frequently asked questions

What is the salt rejection of BW-28-400 / BW-34-400?

BW-28-400 / BW-34-400 is listed at 99.5% salt rejection. Tested at 2,000 ppm NaCl, 25 °C (77 °F), 10.3 bar (150 psi), pH 7 (± 0.5).

What element size is BW-28-400 / BW-34-400?

BW-28-400 / BW-34-400 is a 8" × 40" spiral-wound RO element (size code 8040). Listed maximum operating temperature is 45°C.

Which models is BW-28-400 / BW-34-400 cross-referenced with?

BW-28-400 / BW-34-400 is cross-referenced with DuPont (FilmTec) BW30-365 (Application review required), DuPont (FilmTec) BW30-400 (Comparable specifications), DuPont (FilmTec) BW30 PRO-400 (Application review required), DuPont (FilmTec) BW30 PRO-400/34i (Application review required), Toray TM720-400 (Application review required), Hydranautics (Nitto) CPA (Application review required) and others. 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.

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