Quick Detail
Place of Origin
HS-CODE
72-
Package & Delivery Lead Time
Detailed Description
Universal groove roof fan for removal of the gases that occur during a fire UKRV are installed on the roof of buildings and structures and are designed to remove gases occurring during a fire of high-gas mixtures and simultaneous transfer of heat outside the premises of buildings and structures on SNIP 41-01-2003.
These fans carry output air flows upward from the plane of the combustible roof to a safe area at the maximum temperature gas environment of 400 ° C for not less than 120 minutes.
After working in a fire fan should be replaced regardless of its condition and the possibility of continuing work.
When using the fan UKRV not required to apply an additional check valve. The functions of the check valve operates self-closing lid nozzles designed to protect the fan and ductwork from blowing cold air and the ingress of precipitation.
Centrifugal fans type UKRV represent some of the 6 dimensions of fan air capacity of 2000 m3 / h up to 100000 m3 / h and developed a static pressure of 70 Pa to 2500 Pa.
Fan design
Fan housing
Fan housing is made of high strength steel, which gives the structure additional rigidity and reduces vibration of the fan, and the polymer coating shell protects it from precipitation.
Weekend tip and guard the motor are made of galvanized steel sheet. Motor casing protects the motor from rain and heat radiation of the exhaust gases. Weekend nozzle forming a jet of exhaust gases directed upward from the plane of the roof, covers the nozzles prevent the fan from the ingress of precipitation.
Impeller
The fan has two wheels.
Radial carries the hood gas environment with a temperature of 400 (degrees Celsius) in the room and takes her to a safe area for at least 120 minutes. Axial injection provides cool air from the environment in the region of the motor, protecting it from overheating. Both runners are installed directly onto the motor shaft: a radial - from the front panel of the electric motor, axial - from the rear panel of the motor.
Radial wheel with backward curved blades have reinforced construction at the expense of manufacturing blades of steel with higher strength and fastening them by welding to the rear drive and tie. The radial tire has a polymer coating, and is equipped with a steel hub. The impeller is dynamically balanced on the shaft balansirovachnoy machine.
Axial wheel - welded steel, coated. Wheel mounted on the motor shaft from the rear shield bearing and is balanced on the motor shaft.
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