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 FAQs
View More
Related products
View More
-
WNS series gas-fired (oil-fired) steam boilerLive Chat1-20 t/h0.7-2 MPa -
SZS series gas-fired (oil-fired) steam boilerLive Chat2-110 t/h1.25-5.3 MPa -
SZL series coal-fired steam boilerLive Chat6-35 t/h1-2.5 MPa
By boiler medium
By boiler structure
-
Email us
-
WhatsApp: +86 18861589035
WeChat: +86 13506150756
Live Chat
Related news
View More
-
On October 1, 2026, local time, the three-day AHR Expo Mexico 2026 came to a close at the Expo Guadalajara Convention Center. The ZOZEN Boiler sales team traveled to Mexico to participate in the exhibition. At Booth 1847, the team presented industrial boiler products and used the event as an opportunity to learn more about industrial heat demand in Mexico and across Latin America. AHR Expo Mexico 2026 exhibition site At the entrance to the exhibition, the “AHR Expo Mexico 2026” s...13 Oct 2026 -
Cambodian rice processor AMRU Rice generates a large amount of rice husk during production and requires a stable steam supply for cleaning, steaming, drying, and other processing stages. Based on the company’s fuel availability and steam demand, ZOZEN Boiler supplied an ASME-compliant DZL series single-drum biomass boiler. The boiler converts rice processing by-products into thermal energy and provides continuous steam for the production line. ZOZEN DZL Biomass Steam Boiler Supports Ric...06 Oct 2026 -
Recently, activities related to the China-ASEAN Expo have continued to attract attention. As an important economic and trade platform connecting China and ASEAN markets, the China-ASEAN Expo brings together enterprises, buyers, and industry organizations from different countries and regions. It provides manufacturing companies with opportunities to understand market demand, present product solutions, and conduct business exchanges. The 23rd China-ASEAN Expo Concludes Successfully During the ...29 Sep 2026
Latest cases
View More
