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WFR Once-Through Gas Steam Generator: High Efficiency and Low Emissions for Lighter Duties

20 Oct 20262 min readWilford engineering team

WFR Once-Through Gas Steam Generator: High Efficiency and Low Emissions for Lighter Duties

In short

Many food, laundry and pharmaceutical plants do not need a large boiler, but they do need plenty of steam, low maintenance and compliant emissions. The WFR once-through gas steam generator delivers up to 1000 kg/h without the supervision procedures of a conventional boiler.

On this page · 4 sections
  1. 01Plenty of steam without a large boiler
  2. 02Built to the once-through boiler standards
  3. 03Safety and smart control
  4. 04Where it fits
Series
WFR once-through gas steam generator
Evaporation
Up to 1000 kg/h
Steam temperature
184 °C
Standards
NB/T 10941-2022, T/CEEIA 727-2024
Combustion
Low-NOx
Options
Automatic water treatment, clean steam piping, skid integration, group control

01Plenty of steam without a large boiler

In food, laundry and pharmaceutical plants, many companies want high evaporation, low maintenance and compliant emissions — but not a large boiler. The WFR once-through gas steam generator combines the advantages of inspection-free equipment with high efficiency and smart control.

WFR once-through gas steam generator.
WFR once-through gas steam generator.

02Built to the once-through boiler standards

The WFR is manufactured to NB/T 10941-2022 and T/CEEIA 727-2024, the standards for once-through boilers. Rated evaporation reaches 1000 kg/h with steam at 184 °C.

Unlike a conventional boiler, it does not need complex special-equipment supervision procedures, which saves staff time and management effort. It starts quickly, adjusts over a wide load range, and its low-NOx combustion cuts pollutants at the source — suitable for sites with strict environmental controls.

03Safety and smart control

Multi-level interlocks respond quickly to low water, overpressure, abnormal current and combustion faults. Remote start and stop and communication with a host computer allow several units to be controlled as a group, so the plant can manage its heat sources centrally.

A WFR package with automatic water treatment and feed tank.
A WFR package with automatic water treatment and feed tank.

Automatic water treatment, clean steam piping and skid integration are available to suit different processes.

04Where it fits

The WFR suits small and medium companies whose production load varies a lot: cooking and sterilising in food plants, washing and drying linen in laundries, pharmaceutical pre-treatment and small chemical reactions. It is delivered ready to install, keeping site work to a minimum — a popular choice when plants upgrade their heat source. Browse our steam generators.

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