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Commercial RO element

HMBW-34-4040 (high rejection / fouling resistant)

HMBW-34-4040 (high rejection / fouling resistant) is a fouling-resistant-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
99.7%
Permeate flow
9.464 m³/d (2,500 GPD)

Tested at 1,500–2,000 ppm NaCl, 25 °C (77 °F), 10.3 bar (150 psi), pH 7 (± 0.5), 15% recovery.

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

Model
HMBW-34-4040 (high rejection / fouling resistant)
Segment
Commercial
Family
Fouling-Resistant
Element size
4" × 40"
Active area
7.5 m² (80 ft²)
Feed spacer
34 mil
Salt rejection
99.7%
Permeate flow
9.464 m³/d (2,500 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 1,500–2,000 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.

View certificates by facility and product scope.

Frequently asked questions

What is the salt rejection of HMBW-34-4040 (high rejection / fouling resistant)?

HMBW-34-4040 (high rejection / fouling resistant) is listed at 99.7% salt rejection. Tested at 1,500–2,000 ppm NaCl, 25 °C (77 °F), 10.3 bar (150 psi), pH 7 (± 0.5), 15% recovery.

What element size is HMBW-34-4040 (high rejection / fouling resistant)?

HMBW-34-4040 (high rejection / fouling resistant) is a 4" × 40" spiral-wound RO element (size code 4040). Listed maximum operating temperature is 45°C.

Which models is HMBW-34-4040 (high rejection / fouling resistant) cross-referenced with?

HMBW-34-4040 (high rejection / fouling resistant) is cross-referenced with DuPont (FilmTec) BW30-4040 (Comparable specifications), DuPont (FilmTec) BW30 PRO-4040 (Comparable specifications), Toray TM710 (Comparable specifications), Toray TM710D (Comparable specifications), Hydranautics (Nitto) CPA2-4040 (Comparable specifications), Hydranautics (Nitto) CPA3-4040 (Comparable specifications) 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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