The energy-efficient 10 zone reflow system provides a process length of more than 6 meters and is laid-out for maximum quality and minimal manufacturing cost.

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

Highlights Reflow System Ersa HOTFLOW 3/20e

  • Dual track transport increases throughput
  • Optimized heat transfer, minimized ΔT zone
  • Separation
  • Internal cooling
  • Lowest energy consumption
  • Removable heating modules top and bottom
  • Extreme low-mass center support
  • ERSASOFT Process Data Recorder
  • ERSASOFT – user-friendly machine control
  • Auto profiler for rapid offline profiling


... HOTFLOW 3/20e

The Ersa HOTFLOW 3/20e Reflow 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.


  • Pin-and-chain conveyor with low-mass center support
  • Automatic adjustment of the conveyor width and the center support
  • Up to 2 tracks with center supports possible in the system
  • For single track systems, low-mass tubular supports are available
  • Operating in ambient atmosphere, internal cooling with room air
  • RPMs of fan motors are adjustable via frequency converters
  • Pin-and-chain conveyor 3 / 4 / 5 mm pin length

Technical data


  • Length: 6,265 mm
  • Width: 1,201 mm
  • Height: 1,375 mm
  • Weight appr. 1,900 kg

Conveyor system

  • Working width: 45-516 mm automatically infinitely adjustable
  • Clear passage height: +35/-37 mm
  • Center support, automatically infinitely adjustable
  • Conveyor speed: 20-200 cm/min
  • Pin-and-chain conveyor with either 3 / 4 / 5 mm pin length

Process zone

  • Process length: 4,840 mm
  • Heated length: 3,725 mm
  • Cooling length: 1,115 mm

Heating system

  • Up to 20 convection heating cassettes
    (Preheat zone up to 14 cassettes, reflow zone 6 cassettes)
  • Volumetric flow rate each module, adjustable, up to 500 m3/h
  • Rated power each module: 3.3 kW
  • Rated power last module: 4.5 kW


  • Three-stage cooling zone with air

Electrical data

  • 400 V, 3 Phase, N, Ground, 50/60 Hz
  • Continuous output during operation: appr. 12-16 kW


  • Extraction capacity: stack at entry of system 300 m3/h; stack at exit of system 400 m3/h, both with monitoring feature


Ersa Customer Reports

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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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