DVV 800D4-XS/120C IE3 EMC ATEX Roof Fan

Roof fans DVV-Ex are designed to exhaustpotentially explosive atmospheres (mixtures of air and inflammables such as gases and steam) fromexplosion hazardous areas. The DVV-Exfans have impellers with backward-curved blades and IECmotor in explosion protection "flameproof enclosure" - Ex d. The casing is manufactured from seawater-resistant aluminium and the base frame from hot dip galvanised steel, with a copper inlet cone.

Suitable for exhaust from zones 1 or 2, field of application II, for gases of groups A and B and temperature classes T1 to T4. The fans are classified to category 2G. Terminal box in explosion protection "increased safety" - II 2G Ex e IIC T5/T6 ismounted on the casing. Up to request additionally equipped and marked fans are available to achieve extended temperature respectively gas range: II 2G c IIB T3 (-20 < Ta < 55°C), II 2G c IIB+H2 T3 (-20 < Ta < 55°C), II 2Gc IIB T4 (-40 < Ta < 40°C).

Toenable protectionof motor from overheating DVV-Ex fans have serial built-inthermistors (PTC) with external leads(connection to U-EK230E motor protection relay as accessory possible). On request the fan can be factory fitted with sound attenuator HSDV (accessory) on outlet (marking of the fan DVVI-Ex).

Certified according to ATEX.

Speed-controllable via frequency converter.

Sucking side connection according EUROVENT.

Marking of the serial equipped fan (c = constructional protection): II 2G c IIB T4.

Key features:

• DVV/120C. IE3 EMC
• Airflow: 31,500m³/h

Additional information:

• Brand: Systemair
• Warranty: 1 year manufacturer's warranty
• Delivery: This item is usually stocked overseas and takes about 2–3 weeks to deliver. If held in UK stock, available for delivery in 3–4 days. Enquire on 01609 243164

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