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VVR-18

Forced draft centrifugal fan

Brand: КВЗ
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Aerodynamic Characteristics
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Product Code: ID16178
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Centrifugal (radial) draft fan VVR-18. Performance: 146700 m3/h; Total pressure: 14370 Pa.

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VVR-18
Description

Purpose of Draft Fans VVR-18

Fans VVR-18 are used for conveying non-aggressive gases in technological installations of the ferrous metallurgy industry and other sectors.

General Information about Draft Fans VVR-18

Centrifugal (radial) single-inlet fans VVR-18 are designed for pneumatic transportation of non-aggressive gases. These fans are used in gas cleaning systems of various technological units and in pulverized coal preparation systems of stationary steam boilers of various capacities using medium-speed mills under overpressure.

Fans can operate with gas dust content up to 80 g/nm3, provided that the solid particles are non-abrasive and non-sticky, similar to ash-grade coal dust particles.

Use of VVR-18 fans in technological lines of other industries requires special approval.

Operating Conditions of Draft Fans VVR-18

Radial fans VVR-18 can be operated indoors and outdoors under moderate climate conditions (climatic design U, placement category 1). Fan startup is allowed when the temperature in the volute is not lower than -30 °C; the maximum allowable gas temperature at the fan inlet must not exceed 200 °C.

Casing Rotation Angles of Draft Fans VVR-18


Casing rotation of the draft fan VVR-18
Casing rotation of the draft fan VVR-18

Specifications
Common
Model
VVR-18
Motor type
DAZO
Climatic performance
U1
Max. transported air temperature, °C
200
Pollution limits, mg/m3
80
Weight, kg
5850
Impeller diameter, mm
1830
Max. transported air temperature during 120 min, °C
70
Maximum efficiency, ηmax (%)
72
Min. transported air temperature, °C
-30
Produc­tivity, m³/h
146700
Rated slip, %
461
Ultimate pressure, Pa
14370

Aerodynamic characteristics of VVR-18

Overall dimensions of the fan VVR-18

Model Overall dimensions, mm
h H H1 B I Lmax A
VVR-18 630 1740 3790 4105 1033 3265 1512

Model Connection dimensions, mm
A1 A2 a1 a2 t1 t2 N N1 n1 n2 K K1 D D1
VVR-18 1530 1000 1382 880 255 250 20 24 6 4 22 19 1600 1715

Model Mounting dimensions, mm
N2 K2 C C1 C2 C3 C6 C7 L1 L2
VVR-18 8 28 1000 1000 378 920 1050 1050 2035 1615
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