Skip to main content
Hydranautics (Nitto) cross-reference

CPA3-LD-4040 equivalent

Compare published specifications and confirm suitability for your application.

Comparable specifications

Same nominal size; flow and rejection within the comparison band.

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.

Salt rejection
Competitor: CPA3-LD-404099.7%
Hi-Tech: HMBW-34-4040 (high rejection / fouling resistant)99.7%
DifferenceSimilar
Permeate flow
Competitor: CPA3-LD-40402,400 GPD
Hi-Tech: HMBW-34-4040 (high rejection / fouling resistant)2,500 GPD
DifferenceSimilar
Test pressure
Competitor: CPA3-LD-404010.3 bar (150 psi)
Hi-Tech: HMBW-34-4040 (high rejection / fouling resistant)10.3 bar (150 psi)
DifferenceSimilar
Element size
Competitor: CPA3-LD-40404″ × 40″
Hi-Tech: HMBW-34-4040 (high rejection / fouling resistant)4" × 40"
DifferenceSame size

Other cross-referenced models

Cross-referenced against 29 other elements across 10 manufacturers. Every entry links to its own spec comparison.

View HMBW-34-4040 (high rejection / fouling resistant) specsView BW-34-4040 specsAll Hydranautics (Nitto) cross-references
Ask about this replacement

Hydranautics (Nitto), DuPont (FilmTec), Toray, LG Chem (NanoH2O), Koch (Separation Solutions), Veolia (formerly SUEZ), Lanxess (LewaBrane), Vontron, CSM (Toray Chemical Korea), Trisep (Microdyn-Nadir) and all model numbers shown are trademarks of their respective owners, used here for compatibility reference only. Hi-Tech Membranes is not affiliated with, endorsed by, or sponsored by any of them.