This 10 zone reflow system offers a process length of more than 5 meters - developed for highest throughput.

Ersa HOTFLOW 3/20
Ersa HOTFLOW 3/20
Ersa HOTFLOW 3/20
Ersa HOTFLOW 3/20

Highlights Reflow System Ersa HOTFLOW 3/20

  • Excellent heat transfer with the most varied board assemblies
  • Rest-oxygen monitoring and control with low N2 consumption
  • Low energy consumption through intelligent energy management
  • Multi-level controlled cooling
  • Multi-level process gas cleaning system
  • "On the fly" maintenance for increased machine availability / uptime
  • Multi-track conveyor system (1-4 tracks)
  • Ersa Process Control (EPC) for continuous process monitoring
  • Ersa Auto Profiler software for quickly generating temperature profiles


... HOTFLOW 3/20

The Ersa HOTFLOW 3/20 Reflow Soldering System is of robust design and manufactured entirely from steel, welded air-tight, powder coated and with interior electric cabinet and a PC operating terminal. Features include the motorized hood opening, quick-change convection heater cassettes, multi-level process gas cleaning and a powerful and effective cooling zone.

Additional details:

  • Speed controlled pin-and-chain conveyors adapted to all pick-and-place systems, with up to 4 tracks and connectable center supports 
  • Extensive, clearly arranged operating software for easy handling; storage of temperature profiles as well as product data
  • Process data acquisition and traceability link including printed circuit board tracing


  • Multi-track conveyor system with separate drives each track
  • Connectable center supports
  • Inert atmosphere feature with rest-oxygen monitoring and control
  • Metering of N2 consumption
  • Power-cooling with 3 convection modules and "on the fly" process gas cleaning
  • Emergency power supply
  • Ersa Process Control (EPC)
  • Auto Profiler
  • Computation of energy consumption
  • Quick profile change
  • Up to 4 tracks with center support can be installed (1 track fixed, 3 tracks movable) - increasing the flexibility of the system

Technical data


  • Length: 6,590 mm
  • Width: 1,530 mm
  • Height: 1,450 mm
  • Weight appr. 3,200 kg

Conveyor system

  • Working width: 45-580 mm automatically infinitely adjustable
  • Clear passing height: +25 (35)/-37 mm
  • Centre support, automatically infinitely adjustable
  • Conveyor speed: 20-200 cm/min
  • Pin-and-chain conveyor with 3 / 4 / 5 mm pin length

Process zone

  • Process length: 5,190 mm
  • Heated length: 3,700 mm
  • Cooling length: 1,490 mm

Heating system

  • Up to 20 convections heating cassettes
    (Preheating up to 14 cassettes, reflow zone up to 6 cassettes)
  • Volumetric flow rate each module adjustable up to 500 m3/h
  • Rated power each module: 3.3 kW


  • Up to 4 levels cooling zone with water back-cooling

Electrical data

  • 400 V, 3 Phase, N, Ground, 50/60 Hz
  • Continuous output during operation: appr. 12-19 kW


  • Extraction rate 2x 400 m3/h with monitoring feature


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More Customer Reports

Ersa Report
Ersa Report

UX Group: Touching Tomorrow with Human Machine Interfaces (HOTFLOW 3/20, EPP 09/2017)



Questions about the product?
Find your Ersa contact person here

Your contact persons for the process
Product Management Ersa Soldering Systems Germany


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