Bosch Steam boiler - ZFR, ZFR-X series

Bosch Steam boiler / oil / gas / fire tube - ZFR, ZFR-X series


The UNIVERSAL steam boiler ZFR is a shell boiler in three-pass technology with two flame tubes and completely separate smoke gas passages. It is to be found wherever a reliable steam and heat supply with high output is required. The economizer and superheater can be upgraded in simple modular construction. The dimensions of the flame tubes, smoke tube bundles, water chamber and steam chamber have optimum thermodynamics. Radiant and convection heating surfaces generate a special dynamic in conjunction with the possibility of single-flame tube operation. The fed fuel heat is transferred evenly by means of flow components mounted on the water side, and it is then converted into steam without material stress. The ZFR steam boiler series is also very well suited to the dynamic pooled output of several boilers. Important areas of use are those of commercial operations in all sectors of the economy, of processing industries and supply industries, as well as of communal buildings.

Boilers, industrial
  • Boiler
  • Steam boiler
  • Process steam

Product features

Output 18,000 to 55,000 kg/h
Safety pressure up to 30 bar
Max. temperature (ZFR) up to 235 °C
Max. temperature (ZFR-X) up to 300 °C

Additional product literature


Power Plant Ledvice - Huge steam output for new power plant giant

PDF documents

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