ERSA
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The ERSA Versaflow 40/50 is a selective soldering machine for printed circuit board assembly. The Versaflow 40/50 features a single-point high-precision solder wave with a smallest nozzle diameter of 4.5 mm and a stainless steel solder pot integrated in a 3-axis positioning system.[1]

The ERSA Versaflow 40 50 Selective Soldering uses a selective spray fluxer, bottom-side infrared preheating, and a selective mini-wave soldering module. The machine uses servo-driven positioning axes for fluxing and soldering, and the solder module uses a single-point high-precision solder wave.[1]
The ERSA Versaflow 40 50 Selective Soldering supports nitrogen injection over the solder bath and records process data through industrial-PC control.[1]
Selective soldering belongs in electronic assembly after board placement and before final inspection or test. The machine is used for boards that need solder joints formed at specific locations without soldering the entire assembly in one pass.
Selective soldering is used for electronic assemblies that require localized solder joints on printed circuit boards. The process is suited to mixed assemblies where solder must be applied to specific through-hole or board-area locations rather than to the full board.
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The following facts about the Versaflow 40 50 Selective Soldering are absent from this record as of this revision. First-hand knowledge or a citation closes a gap; every submission is reviewed before publication.
No publicly documented production dates or lifecycle milestones (introduction, end of production, EOL) for the Versaflow 40 50 Selective Soldering are on record.
Answerable by: OEM historical records or a trade-press announcement
No publicly documented variants, configuration options, or revision breakpoints of the Versaflow 40 50 Selective Soldering are on record.
Answerable by: an OEM product catalog or an engineer who ordered or specified the tool
The control-system platform and OS era of the Versaflow 40 50 Selective Soldering are not on record.
Answerable by: an engineer who operated it or OEM installation records
No publicly documented failure modes or field errata for the Versaflow 40 50 Selective Soldering are on record.
Answerable by: a field service engineer, process engineer, or maintenance technician
The process node or technology generation of the Versaflow 40 50 Selective Soldering is not on record.
Answerable by: an OEM datasheet or a fab qualification report
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Last updated Oct 1, 2026.
The Dek 03 iX Automatic is an automatic paste printer used in surface-mount technology assembly.
General referenceThe Koh Young 2014-09-11T12 is an automated optical inspection machine used in surface-mount technology assembly lines to verify the quality of solder joints and component placement.