KTEX Rectangular Duct Fans

Reliable inline fan for hazardous professional environments

ATEX certified according to ATEX 2014/34/EU
Suitable for high-risk environments
Swing out lid for easy maintenance

Designed for demanding environments

KTEX series of explosion-proof inline fans are designed for potentially hazardous premises like battery charging rooms, fume cupboards or other high-risk environments.

High performance

The KTEX fans combine a compact streamlined design with a high-performance forward curved radial impeller paired with reliable ATEX-rated AC motors.

Flexible installation

KTEX fans can be installed in any position, in rectangular duct air extract systems which makes them easy to fit in all different applications.

Explosion-Proof

KTEX 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. Complies with EN 60079-7:2015, EN 14986:2007, and EN 60079-0:2012.

Casing

Casing made of galvanised sheet steel, corrosion class C3 with a copper inlet cone. The motor of the unit is mounted on swing-out lid to simplify service and maintenance. KTEX fans are equipped with connection cable to connect to the ATEX rated external connection box (separate accessory) for wiring onsite.

Impeller

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

Motor

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

Motor protection

KTEX 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

Motors of KTEX fans can be controlled by a 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

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