VC 4-75 #6.3 w/motor AIR 90 L6 1.5 kW 1000 rpm, execution 1

Series VC 4-75 #6,3 low-pressure centrifugal fan (VR 88-72.1-5.5, VR 80-75-5) with electric motor Electric motor AIR 90 L6 1.5 Power kW 1000 Vol./Min, general-industrial design, made of carbon steel.

This fan is intended for ventilation or air-conditioning systems and other gas-mixture handling where the aggressiveness toward carbon steel does not exceed that of air at up to 80 °C, containing no fibrous materials, sticky substances, dust, or other solid impurities at concentrations above 100 mg/m³ under moderate (U) climate (placement category 3) and tropical (T) climate (placement category 2) conditions in accordance with DSTU 15150.

Modular components of the centrifugal fan VC 4-75 #6,3 (VR 88-72.1-5.5, VR 80-75-5):

Fan VC 4-75 #6,3 without electric motor.

Impeller wheel VC 4-75 #6,3 (VR 80-75-5).

Fan casing VC 4-75 #6,3 (VR 88-72.1-5.5).

Electric motor Electric motor AIR 90 L6 1.5 Power kW 1000 Vol./Min for fan VC 4-75 #6,3.

General specifications for series VC 4-75 #6.3 w/motor AIR 90 L6 1.5 kW 1000 rpm centrifugal fans (VR 88-72.1-5.5, VR 80-75-5):

Low pressure.

Single-sided suction.

Backward-curved blades.

Number of blades: 12.

Direction of rotation: right and left.

Manufactured in accordance with TU U 28.2-24881057-003:2023.

Purpose of series VC 4-75 #6.3 w/motor AIR 90 L6 1.5 kW 1000 rpm centrifugal fans (VR 88-72.1-5.5, VR 80-75-5):

Used for air-conditioning systems.

Used for ventilation systems.

Used for air-heating systems.

Used for other sanitary and industrial purposes.

Operating conditions:

Operates under moderate climate conditions at ambient temperatures from −40 °C to +40 °C. The temperature of the conveyed medium must not exceed 80 °C.

Principle of operation:

Air, receiving energy from the impeller blades under centrifugal force at a 90° angle, enters the fan and moves radially into the spiral casing; in the casing, the pressurized air follows the spiral path and exits through the fan outlet.

Completeness of series VC 4-75 #6.3 w/motor AIR 90 L6 1.5 kW 1000 rpm centrifugal fans:

The fan VC 4-75 #6,3 (VR 88-72.1-5.5, VR 80-75-5) with electric motor Electric motor AIR 90 L6 1.5 Power kW 1000 Vol./Min consists of the following main units:

Spiral casing.

Impeller wheel.

Support frame.

Collector.

Electric motor Electric motor AIR 90 L6 1.5 Power kW 1000 Vol./Min.

The impeller wheel comprises front and rear discs, 12 sheet blades, and a hub.

The fan frame is welded, with a mounting hole for vibration isolators or foundation. The electric motor and casing are mounted to the frame.

The conical collector for guiding air to the impeller is fixed to the inlet nozzle. The overlap between collector and front disc of the impeller is adjusted by axial movement of the collector within the inlet nozzle.

Housing orientation for radial fans with right (PR) and left (LIV) rotation, viewed from suction side:

a) Right rotation.

b) Left rotation.

Placement categories based on climatic conditions:

Category 1: outdoor operation (exposed to the full range of climatic factors typical for the macroclimate region).

Category 2: operation under canopy or in spaces where temperature and humidity fluctuations are similar to outdoors, with comparatively free external air access, e.g., tents, vehicle bodies, trailers, uninsulated metal enclosures.

Category 3: operation in enclosed rooms with natural ventilation without artificially regulated climate conditions, where temperature, humidity fluctuations and dust/sand exposure are significantly lower than outdoors, e.g., insulated metal, stone, concrete, wooden buildings.

Category 4: operation in rooms with artificially regulated climate conditions, e.g., closed heated/cooled and ventilated production facilities, including conditioned or partially conditioned air environments and well-ventilated underground spaces.

Category 5: operation in high-humidity environments (e.g., unheated and unventilated underground rooms including mines and basements, in soil, in ship or vessel spaces where water may accumulate or frequent condensation occurs, such as some holds and certain textile or hydrometallurgical workshops).