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Air blower GRM HT series
centrifugalthree-stage400 V / 50 Hz

Air blower - GRM HT series - MAICO Ventilatoren - centrifugal / three-stage / 400 V / 50 Hz

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Characteristics

Type

air

Technology

centrifugal

Number of stages

three-stage

Voltage / frequency

400 V / 50 Hz

Other characteristics

variable-speed, with frequency converter

Flow

Max.: 2,490 m³/h
(87,933.52 ft³/h)

Min.: 390 m³/h
(13,772.72 ft³/h)

Nominal power

Max.: 1,100 kW
(1,495.583 hp)

Min.: 90 kW
(122.366 hp)

Weight

4 kg, 7 kg, 10 kg, 17 kg, 20 kg
(8.82 lb, 15.43 lb, 22.05 lb, 37.48 lb, 44.09 lb)

Depth

198 mm, 246 mm, 284 mm, 318 mm, 356 mm
(7.8 in, 9.7 in, 11.2 in, 12.5 in, 14 in)

Height

229 mm, 272 mm, 320 mm, 355 mm, 398 mm
(9 in, 10.7 in, 12.6 in, 14 in, 15.7 in)

Description

• Centrifugal blower with metal housing for high temperatures. • Powerful fans for industrial applications. • For simple and direct mounting on a duct system. • The motor is outside the air flow. • Sheet steel housing. • Housing protected against weathering by epoxy coating. • Standard orientation for LG 270° housing. • The housing can be ordered in 45° increments if required. • Suitable for temperature ranges up to + 150 °C. • The intake flange, made of coated sheet steel, is included in the scope of delivery. • Centrifugal impellers with forward curved blades made of galvanised sheet steel. • Asynchronous three-phase AC motors. • Protection class IP55. • S1 operating mode (continuous operation). • Speed controllable with frequency converter. • Permissible frequency range for speed control with frequency converter 20-50 Hz. • The temperature in the fan motor is monitored by PTC thermistors. The PTC thermistors must be connected to a release system, that permanently disconnects the fan from the power supply if the temperature is too high.