DKEX Centrifugal Fans

High-performance ATEX-compliant fan for hazardous environments

Compact design
High-performance
Installed in any position
ATEX certified according to ATEX 2014/34/EU

Designed for demanding environments

Durably designed for demanding environments, the DKEX series of explosion-proof centrifugal fans are commonly used in battery charging rooms, fume cupboards or other high-risk environments.

High performance

The DKEX fan combines a compact design with a high-performance forward-curved radial impeller paired with reliable ATEX-rated AC motor.

Flexible installation

DKEX fans can be installed in any position and their compact design makes them easily to fit in all different applications.

Explosion-Proof

DKEX series is classified as II 2 G Ex eb h IIB+H₂ T3 Gb.

Intended to use in explosion zone 1 and 2 for extracting gases and mixes of groups IIA, IIB and also hydrogen (H₂), with temperature classes Т1, Т2 and Т3. Comply with EN 60079-7:2015, EN 14986:2007, EN 60079-0:2012.

Casing

The casing of DKEX is made from galvanised sheet steel, corrosion class C3 with a copper inlet cone. Motor of the unit mounted on detachable lid to simplify service and maintenance. DKEX fans are equipped with connection cable to connect to the ATEX rated external connection box (separate accessory) for wiring on site.

Impeller

DKEX fans use single inlet radial impellers with forward-curved blades. Made of lightweight, galvanised sheet steel. Impellers dynamically balanced and paired with corresponding external rotor motors.

Motor

DKEX fans are equipped with ATEX certified, voltage controllable, AC external rotor motors with long-life ball bearings.

Motor protection

DKEX fans have integrated PTC (Positive Temperature Coefficient) protective circuits with external leads for connection to a motor protection device (separate accessory). We recommend to use UEK230E motor protection, certified according to ATEX directive 2014/34/EU.

Control

Fans are controlled by 5-step speed regulator as separate accessory. Speed regulation can be combined with timer, thermostat, hygrostat, etc. by using wide range of electrical accessories.

Mounting

DKEX fans can be installed indoor in any position. To avoid vibration transfer to the duct system we recommend to install flexible connections (accessory).