Blower for boiler, RV-21 K fan with damper

The blower (fan) is a device designed to supply air to the combustion chambers of central heating boilers. It can also be used for general ventilation of rooms and technological devices.

TECHNICAL DESCRIPTION

The fan housing is made of steel sheet, the motor housing is made of aluminum alloy. The motor is screwed to the housing with M8 screws. The metal fan impeller is mounted directly on the motor shaft and secured with a screw against axial displacement. The fan's suction flange is protected by a guard preventing finger contact with moving parts /turbine/. The housing and motor are painted black. The fan motor is made with insulation class F and protection degree IP 54. The fan has a CE conformity declaration. RV-21 type fans are intended for blowing air into central heating boilers and other technological devices at ambient temperatures from -15 ºC to +40 ºC and relative humidity up to 95%. The fan is not intended to operate as a standalone device for household or similar use. Basic application - coal dust boilers up to 150 kW.

Parameters:
 
Type of drive motor: Induction with running capacitor
Rated voltage: 230 V
Rated frequency: 50 Hz
Power consumption: 250 W
Max. capacity: 900 m³/h
Max. pressure increase: 550 Pa
Type of operation: S1
Operating position: any
Protection degree: IP 20
Basic insulation: Class F
Protection against abnormal use: controller current fuse
Weight: 7.0 kg
Minimum supply voltage: 100 V


 
Connection frame dimensions:
- external: 145 x 145 mm
- internal: 95 x 95 mm

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