SC EX

Application

SC Ex side channel blowers are used in pressure and vacuum systems in explosion hazardous areas. The side channel blowers comply with the requirements of the ATEX Directive 2014/34/EU, and are designed for use in hazard zones outside mines and mine workings, meeting the requirements of Group II Category 3G - Zone 2.

ATEX marking:
II 3G Ex h IIB H2 T3 Gc

Construction

• side channel blower with direct drive,
• cast aluminium impeller, dynamically balanced,
• cast aluminium casing,
• blower suitable for horizontal or vertical operation (special design),
• casing cover made of aluminium sheet,
• motor base made of painted steel sheet*,
• radial shaft seals made of fluorocarbon rubber,
• unpainted blower (raw aluminium, shot-blasted and impregnated),
• maximum temperature of the conveyed medium 60°C,
• motor ambient temperature from -20°C to 60°C.

Electric motor

• asynchronous, three-phase, 230/400V 50Hz (up to 3kW),
• asynchronous, three-phase, 400/690V 50Hz (above 4kW),
• efficiency class IE2 (up to 0,55kW),
• efficiency class IE3 (above 0,75kW),
• ingress protection IP66 (up to 1,1 kW),
• ingress protection IP55 (above 1,5 kW),
• insulation class F,
• for frequency control (PTC sensors as standard).

Special executions

• motor with voltage and frequency different than standard,
• motor with ingress protection different than standard,
• supporting frame, without silencers, PN6 flanges.

* In SC30, base made of unpainted stainless steel.