zozen boiler
Home Service FAQs Boiler basics What is grade-A boiler?

What is grade-A boiler?

23 Jul 2021

In the industrial boiler industry, it is generally divided into four grades: A, B, C and D according to the production qualification license grade, among which, when purchasing boilers, users often consider Grade A boiler manufacturers. What is a grade A boiler?

 

The production license scope of Grade A qualification is not limited.

Grade B steam boiler with rated steam pressure less than or equal to 2.5 MPa.

Grade C steam boiler with rated steam pressure less than or equal to 0.8 MPa and rated evaporation less than or equal to 1 ton/hour; Hot water boiler with rated outlet water temperature less than 120 degree Celsius.

Grade D steam boiler with rated steam pressure less than or equal to 0.1 MPa; The rated outlet temperature is less than 120 MW and rated thermal power is less than or equal to 2.8 MW.

Related news View More
  • Export to Indonesia: ZOZEN Biomass Boiler Powered by Palm Kernel Shells Supports the Feed Industry
    With the global emphasis on sustainable energy and environmental protection, Indonesia, a leading producer of palm oil, has turned the energy utilization of palm kernel shells (PKS) — a byproduct of palm oil production — into a significant focus. As a renewable energy source, palm kernel shells are gaining traction in the feed industry, contributing not only to resource recycling but also reducing environmental impact.   The combustion properties of palm kernel shells make the...
    21 Jan 2025
  • ZOZEN Boiler Successfully Hosts 2025 Staff Meeting
    On January 15, 2025, Wuxi ZOZEN Boiler Co., Ltd. successfully hosted its annual staff meeting at the company headquarters. The theme of the event was "Rising Against the Tide—Innovation and Transformation in an Era of Intense Competition." The meeting aimed to review the past year's achievements, outline future development goals, and honor outstanding teams and individuals for their exceptional performance in 2024. 2025 Staff Meeting Officially Begins The meeting commenced under the gu...
    16 Jan 2025
  • ZOZEN Boiler Wins China Patent Excellence Award for Water Tube Gas/Oil Boiler
    ZOZEN Boiler has been honored with the China Patent Excellence Award in the 25th China Patent Awards, as announced by the National Intellectual Property Administration. The award recognizes ZOZEN’s innovative design patent for its water tube gas/oil boiler (Patent No. ZL 202030030831.X). This achievement not only highlights ZOZEN’s commitment to innovation in boiler design but also represents a groundbreaking milestone for the boiler industry as a whole. It reflects ZOZEN’s lea...
    14 Jan 2025

Find the Right Boiler For You

Name *

Email *

WhatsApp/WeChat

Products

Power/Capacity