D smoke pumps D are produced in the form of a monoblock. On a single support frame, which is a welded metal structure, there is an electric drive connected to a centrifugal fan.
Air suction occurs along the axis of the fan impeller, and ejection - through the volute at an angle of 90 degrees to the axis. Boiler smoke exhausters D are produced with a rotating volute, which makes it possible to direct the outlet pipe at an angle from 0 to 270 degrees (rotation step - 15 degrees).
On the outlet spigot of the volute there is a rectangular flange with holes for connection of the equipment with air ducts of the ventilation system.Installation of smoke pumps D is made on the foundation or ceiling of the building. The support frame has holes for anchoring.
To reduce the level of vibration and noise, it is recommended to use flexible inserts and vibration-isolating gaskets between the frame and the support surface.
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