zozen boiler
Home Service FAQs FAQ of gas-fired(oil-fired) boilers What is the maximum temperature of gas-fired boiler?

What is the maximum temperature of gas-fired boiler?

26 Nov 2021

Different steam pressures correspond to different steam temperatures.

The steam temperature of low-pressure boiler is mostly saturation temperature or not higher than 400℃.

The outlet pressure of medium-pressure boiler is 3.8 ~ 5.4 MPa, and the common steam temperature is 450℃.

The outlet pressure of sub-high pressure boiler is 5.4 ~ 9.8 MPa, and the common steam temperature is 540℃.

The outlet pressure of high-pressure boiler is 9.8~13.7MPa, and the common steam temperature is 540℃.

The outlet pressure of ultra-high pressure boiler is 13.7 ~ 16.7 MPa, and the outlet steam temperature is mostly 540℃, in some cases is 555℃.

The outlet pressure of subcritical pressure boiler is 16.7 ~ 22.1 MPa, and the common steam temperature is 538℃.

The outlet pressure of supercritical pressure boiler is 22.1 ~ 27.0 MPa, and the common steam temperature is 538 ~ 543℃ or 538 ~ 566℃.

The ultra-supercritical pressure boiler pressure is ≧27.0 MPa, and the rated outlet steam temperature is ≧590℃.

Related FAQs View More
Related news View More
  • World Cup Spotlight on the Americas: How a Chinese Boiler Reached an Overseas Production Line
    As the 2026 FIFA World Cup brings the United States, Mexico and Canada into the international spotlight, attention is once again turning to the cities, industries and communities across North America. Away from the stadiums, manufacturing plants, beverage production lines and automotive component facilities continue their daily operations, providing steady support for local economies. ZOZEN Boiler’s WNS Series Serving Industrial Projects in North America In these less visible parts of ...
    14 Jul 2026
  • A Long-Run Story of an Old Boiler: ZOZEN WNS Series Gas-Fired Boiler Operating for 16 Years
    At the production site of a pharmaceutical company in Shanghai, a ZOZEN gas-fired steam boiler commissioned in 2010 has been operating steadily for 16 years. For this established pharmaceutical company, founded in 1995, the steam system is closely related to production rhythm, process coordination, and on-site operation support. Whether the equipment can maintain stable operation over the long term directly affects the continuity of daily production. Time is a practical test, and the continuous ...
    07 Jul 2026
  • A Boiler Generating Steam for Brewed Aroma: ZOZEN Boiler Supports Green Production at Yanjing Beer
    As the beer industry moves toward greener, more continuous, and more refined production, the steam system has become an important part of brewing operations. Recently, the cooperation case between ZOZEN Boiler and Yanjing Beer (Guilin Liquan) Co., Ltd. once again highlighted the essential role and system value of industrial boiler equipment in the food and beverage industry. Industrial Heat and Beer Brewing Are Closely Connected From a Drop of Beer, the Value of Stable Steam Becomes ClearYan...
    24 Jun 2026

Find the Right Boiler For You

Name *

Email *

WhatsApp/WeChat

Products

Power/Capacity