Variant comparison
Heat transfer medium
ZFR
High-pressure saturated steam
ZFR-X
High-pressure superheated steam
Design
ZFR
Three-pass double-flame tube/smoke tube technology
ZFR-X
Three-pass double-flame tube/smoke tube technology
Output
ZFR
18,000 to 55,000 kg/h
ZFR-X
18.000 to 55.000 kg/h
Safety pressure
ZFR
up to 30 bar
ZFR-X
up to 30 bar
Max. temperature
ZFR
up to 235 °C
ZFR-X
up to 300 °C
Fuel
ZFR
Gas, oil, bio gas, bio oil, hydrogen
ZFR-X
Gas, oil, bio gas, bio oil, hydrogen
Data sheets
ZFR
ZFR-X
Steam boilers brochure
ZFR
ZFR-X
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