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www.juwent.com.pl
1. INTENDED USE
The roof fans are used for the removal of air from production halls, warehouses, commercial
pavilions etc. They are intended for the use in special conditions where air contains toxic or highly
caustic media.
The fans can also be used for the replacement of the fans operating earlier in the ventilation systems
or using subassemblies as spare parts.
The air being removed by the fan should not have humidity greater than 90% and dust
content above 5mg/m
3
. The temperature of the air being removed cannot be more than
55
O
C.
Use of the fans in explosion-hazard atmosphere is not admissible.
The fans are suitable for operation with impeller vertical rotation axis, and the air is being removed
in the vertical direction.
The fans are adapted for mounting on universal roof bases, damping roof bases.
2. DEVICE DESCRIPTION
The series of the roof fans contains 5 sizes.
The fans include:
»
» highly-efficient centrifugal steel impeller;
»
» electric motor;
»
» bearing plate, body and cover made of glass-fibre laminate.:
Impeller of the roof fan could be made of acidproof steel.
3. DESIGNATIONS
Roof fan
WD-25 -TD900/1400 -K
Size
16, 20, 25, 31,5, 40
Motor type
three-phase two speed TD-[900/1400rpm for sizes 16; 20; 25; 31,5]
three-phase single speed T-[700 or 900rpm for size 40]
single-phase J-[900 or 1400rpm for sizes 16; 20; 25; 31,5]
single-phase J-[700 or 900rpm for size 40]
Acidproof version of fan impeller