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HomeProducts SZS series gas-fired (oil-fired) steam (hot water) boiler

SZS series gas-fired (oil-fired) steam
(hot water) boiler

Steam / Hot water
Product thermal capacity: Steam:20-110 t/h Hot water:7-116 MW
Working pressure: Steam:1.25-5.3 Mpa Hot water:1.0-1.6 Mpa
Outlet temperature: Steam:194-540 °C 
Hot water:70/115℃;70/130℃
Available fuel: Nature gas, coke oven gas, blast furnace gas, carbon black off-gas, biogas, methanol, LPG,
diesel, heavy oil, light oil, crude oil, etc.
Available industries: Heat supplying, chemical, food, textile, printing and dyeing, cigarettes and tobacco, fodder, pharmacy, building materials, brewery, rubber, hospital etc

Product Introduction

ZOZEN SZS series gas-fired (oil-fired) boiler adopts the "D" type structure. The furnace is on the right side and the convection tube bundle is on the left. Around the furnace is the membrane water wall. The boiler is equipped with an advanced burner, an economizer and a condenser, which can improve the thermal efficiency to more than 98% and reduce the NOx emission to less than 30mg/Nm³. With an automatic control system, the boiler can achieve unattended operation.

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Product Advantages

Product Parameters


Model Rated evaporation(t/h) Rated working pressure(MPa) Rated steam temperature(℃) Thermal efficiency(%) Maximum transport size(m)
(L×W×H)
SZS20-1.25-Q.Y 20 1.25 194 >98 8.9×3.9×4.0
SZS20-1.6-Q.Y 20 1.6 204 >98 8.9×3.9×4.0
SZS20-2.5-Q.Y 20 2.5 225 >98 8.9×3.9×4.0
SZS25-1.25-Q.Y 25 1.25 194 >98 10.5×4.2×4.2
SZS25-1.6-Q.Y 25 1.6 204 >98 10.5×4.2×4.2
SZS25-2.5-Q.Y 25 2.5 225 >98 10.5×4.2×4.2
SZS30-1.25-Q.Y 30 1.25 194 >98 10.5×4.3×4.3
SZS30-1.6-Q.Y 30 1.6 204 >98 10.5×4.3×4.3
SZS30-2.5-Q.Y 30 2.5 225 >98 10.5×4.3×4.3
SZS35-1.25-Q.Y 35 1.25 194 >98 11.3×4.3×4.3
SZS35-1.6-Q.Y 35 1.6 204 >98 11.3×4.3×4.3
SZS35-2.5-Q.Y 35 2.5 225 >98 11.3×4.3×4.3
SZS40-1.25-Q.Y 40 1.25 194 >98 12.4×4.4×4.6
SZS40-1.6-Q.Y 40 1.6 204 >98 12.4×4.4×4.6
SZS40-2.5-Q.Y 40 2.5 225 >98 12.4×4.4×4.6
SZS50-1.25-Q.Y 50 1.25 194 >98 15.6×4.4×4.6
SZS50-1.6-Q.Y 50 1.6 204 >98 15.6×4.4×4.6
SZS50-2.5-Q.Y 50 2.5 225 >98 15.6×4.4×4.6
SZS65-1.25-Q.Y 65 1.25 194 >98 11.5×1.5×1.8
SZS65-1.6-Q.Y 65 1.6 204 >98 11.5×1.5×1.8
SZS65-2.5-Q.Y 65 2.5 225 >98 11.5×1.5×1.8
SZS75-1.25-Q.Y  75 1.25 194 >98 12×1.5×1.8
SZS75-1.6-Q.Y 75 1.6 204 >98 12×1.5×1.8
SZS75-2.5-Q.Y 75 2.5 225 >98 12×1.5×1.8
SZS100-1.25-Q.Y  100 1.25 194 >98 13×1.5×1.8
SZS100-1.6-Q.Y 100 1.6 204 >98 13×1.5×1.8
SZS100-2.5-Q.Y 100 2.5 225 >98 13×1.5×1.8

Model Rated thermal power(MW) Rated working pressure(MPa) Rated output water temperature(℃) Rated Feeding water temperature(℃) Maximum transport size(m)
(L×W×H)
SZS7-1.0/115/70-Q 7 1 115 70 7.9×3.4×3.4
SZS10.5-1.0/115/70-Q 10.5 1 115 70 8.9×3.9×4.0
SZS14-1.25/115/70-Q 14 1.25 115 70 8.6×3.9×3.8
SZS17.5-1.25/115/70-Q 17.5 1.25 115 70 9.4×3.8×3.8
SZS21-1.25/130/70-Q 21 1.25 130 70 10.1×4.2×4.2
SZS29-1.25/130/70-Q 29 1.25 130 70 10.9×4.2×4.2
SZS46-1.6/130/70-Q 46 1.6 130 70 11.0×Φ1.45
SZS58-1.6/130/70-Q 58 1.6 130 70 11.1×Φ1.46
SZS70-1.6/130/70-Q 70 1.6 130 70 12.0×Φ1.66
SZS116-1.6/130/70-Q 116 1.6 130 70 12.5×Φ1.66

* The above basic parameter table is for your reference, ZOZEN Boiler can customize the suitable boiler device and system solution based on your actual condition.

* All specifications and descriptions provided herein may be different from the actual specifications and descriptions for the product. ZOZEN Boiler reserves the right to make changes to this document and the product described herein, at anytime, without obligation on ZOZEN Boiler to provide notification of such change.

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Wuxi ZOZEN Boilers Co., Ltd. has been committed to the research, development and production of industrial boilers since its foundation in 1988. ZOZEN has passed ISO9001:2015 and obtained PRC Grade A Manufacture License of Special Equipment (Boilers), ASME "S" (Power Boilers) and "U" (Pressure Vessels) stamps and many other international certificates of authorization.
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