GRM HD 28 / 4-2 Ex, radial blower GRM HD 28 / 4-2 Ex size 280, 4-pin, 1.1 kW

Radial blower GRM HD 28 / 4-2 Ex size 280, 4-pin, 1.1 kW

Radial blower with metal housing for applications in potentially explosive areas. Explosion protection and ATEX approval. For all gases and vapours of the Ex- group IIA and IIB qualified and additionally for hydrogen. Ex II 2 G Ex db IIB + H2 T4 Gb X / Ex II 2 G Ex h IIB + H2 T4 Gb X. For use temperatures of -20 ° C < = Ta < = + 40 ° C MAICO Ex- fans meet the safety requirements of European Directive RL 2014 / 34 / EU for equipment and protection systems in potentially explosive areas. For zone 1 and 2 types of protection: d - pressure-resistant capsule and c - constructive safety. High-pressure fan for industrial applications. For easy and direct installation on a pipe system. The engine is located outside the air stream. Case made of sheet steel. Standard alignment for case LG 270 °. Suitable for temperature ranges from -20 ° C to + 40 ° C The engine base made of epoxy coated steel sheet, for fixing the fan, is included in the delivery. Radial wheels with forward curved shovels made of galvanized steel sheet. Engine: Asynchronous rotary current motor. Protection type IP55. IE3 engine. Type of operation S1 (continuous operation). Temperature class T4. Speed control with frequency inverter. The permissible frequency range for speed control with frequency inverter is 20 Hz to 50 Hz. The temperature in the fan engine is monitored by cold conductor. The cold conductors must be connected to a discharge system (safety device in accordance with Directive RL 2014 / 34 / EU) which permanently separates the fan from the net at too high temperatures. Electric connection: connection in the terminal box on the engine. Cable connection in Ex d version included in delivery. Article: GRM HD 28 / 4-2 Ex, version: engine variant 2, conveyor volume: 3540 m3 / h, speed: 1460 1 / min, wheel type: radial, speed control: yes, reversibility: no, voltage: rotary current, measurement voltage: 400 V, power: 50 Hz, nominal power: 1100 W, protection: IP 55, heat class: F, polo-switchable: no, height: 580 mm, height: 580 mm, height: 580 mm, height: 580 mm, height: 580 mm, height: 580 mm, height: 580 mm, height: 580 mm, height: 580 mm, height: 580 mm, height: 580 mm, height: 580 mm, height: 580 mm, height: 580 mm, height: 580 mm, height: 580 mm, height: 4mm, height: 4mm, height: 580 mm, height: 580 mm, height: 580 mm, height: 4mm, height: 4mm, height: 4mm, height: 580 mm, height: 4mm, height: 580 mm