SZS Series Water Tube Steam Boiler

SZS water tube steam boiler adopts a D-type double-drum vertical structure. The furnace is surrounded by a membrane water wall, which is safe and reliable. Built-in independent energy saver and condenser can effectively reduce the exhaust gas temperature, significantly improve the boiler efficiency, and save energy.

Rated Evaporation
10 - 40 t/h
Working Pressure
1.25 - 2 MPa
Thermal Efficiency Range
101 - 103 %
Available fuel:
natural gas, coke oven gas, biogas, blast furnace gas, carbon black tail gas, diesel oil, heavy oil, etc.
Available industries:
petrochemical, building materials, brewing, rubber, food, tobacco, textile, printing and dyeing, automotive, medicine, hospital, etc.


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Model SZS15 SZS20 SZS30 SZS40
Rated Evaporation t/h 15 20 30 40
Rated Pressure MPa 1.25
Rated Steam Temperature °C 194
Natural Gas Consumption Nm³/h 991 1321 1979 2669
Load Regulation Range % 20-100
Thermal Efficiency % 101.5
Exhaust Temperature °C 52 50 50 50
Water Volume 13 15 20 24
Noise DB(A) ≤85
Boiler Back Pressure Pa 1610 1750 1900 2300
NOx Emission Value / ≤150mg/Nm³ / ≤80mg/Nm³ / ≤30mg/Nm³
Maximum Shipping Weight T 35 46 55 66
Gross Weight T 45.66 57.8 67.1 82.99
Length mm 10730 11700 12700 15000
Width mm 6600 7100 7400 7500
Height mm 4800 5000 5300 5400

* The above parameters can be changed without prior notice. If there is any change, the actual product shall prevail.

* All the above values are calculated based on the low calorific value of natural gas (LNG) of 8400KCAL/Nm³.

* Devotion can customize other special specifications and models according to user requirements.

Service Process

Project Design
According to different need, we provide different system transformation plans of boiler room and maximize the user's benefits.
Pre-sales Technical Support
Devotion makes detailed technical talk with users, optimizes the possible problems, and ensures the better implementation of the project.
Installation and Commissioning Guide
Devotion supports user on-site check according to the inspection list and arranges technical guide of installation and commissioning, and conducts technical training.
After-sales Service
After getting service notification, Devotion will respond quickly. If the e-mail or video communication is not helpful, a technician can be arranged to the site.

Customized Service

Submit the request and we will get in touch with you in the shortest time
Phone Number
Fault Description
Devotion Expert Online
Devotion Expert Online
Online Consultation
Email to Us
Email to Us
Rated Evaporation:10 - 40 t/h
Working Pressure:1.25 - 2 MPa
Thermal Efficiency Range:101 - 103 %
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