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DRG-25

Smoke exhaust hot blast

Brand: КВЗ
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Description
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Aerodynamic Characteristics
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DRG-25
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Product Code: ID16545
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Hot-blast exhaust fan. DRG-25. Engine power: 400 kW; Engine speed: 750 rpm; Performance: 110000 m 3/hour; Total pressure: 2800 Pa.

Power kW:400
Vol./Min:750
Produc­tivity, m³/h:110000
Ultimate pressure, Pa:2800
Delivery
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DRG-25
Description

Purpose of Hot Blast Smoke Exhausters DRG-25

Single-inlet centrifugal hot blast smoke exhausters DRG-25 are designed for the recirculation of flue gases from boilers operating on solid and gas-oil fuels with various steam capacities. The use of DRG-25 exhausters is also permitted for extracting hot and dust-laden flue gases from furnaces in technological lines for the production of iron ore pellets in the ferrous metallurgy industry (sintering plants), with gas dust content up to 2 g/nm3 and dust particle size not exceeding 0.5 μm.

Operating Conditions of Hot Blast Smoke Exhausters DRG-25

The smoke exhauster is designed for continuous operation both indoors and outdoors in moderate and tropical climates (climate version U or T, placement category 1, DSTU 15150-69). Startup is allowed when the temperature inside the scroll is not lower than -30 °C. The maximum allowable inlet temperature must not exceed 400 °C. Operation is permitted at a rotational speed of 750 rpm.

Casing Rotation Angles of Smoke Exhausters DRG-25

Casing rotation of smoke exhauster DRG-25 Casing rotation of smoke exhauster DRG-25
Specifications
Common
Model
DRG-25
Motor type
2ADO
Power kW
400
Vol./Min
750
Max. transported air temperature, °C
400
Pollution limits, mg/m3
2
Weight, kg
6200
Maximum efficiency, ηmax (%)
84
Produc­tivity, m³/h
110000
Ultimate pressure, Pa
2800

Aerodynamic characteristics of DRG-25
LEGEND
Q – Capacity, thousand m3/h
Pv – Total pressure, daPa
ηmax – Efficiency

Overall dimensions of fan DRG-25

S4, S5, S6 – dimensions to be specified when selecting the electric motor

Model Overall dimensions, mm
B B1 D H H1 H2 H3 L L1
DRG-25 3890 1622 2500 4715 1550 565 545 2934 907
Model Connection dimensions, mm
a a1 b b1 d d1 n n1 s s1
DRG-25 750 864 1270 1394 1650 1755 16 24 19 19
Model Mounting dimensions, mm
c c1 c2 c3 f f1 f2
DRG-25 740 740 437 850 2375 1880 975
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