Centrifugal ATEX Fans – SIGMA

CENTRIFUGAL SINGLE INLET FANS CBT-N Series

admin — Mon, 16 May 2022 06:41:42 +0000

CBT-N

Range of single inlet direct driven centrifugal fans designed for the continuous extraction of air stream up to 120ºC (1).
The casings are manufactured from one piece die cast aluminium and finished with a tough, grey colour, epoxy-polyester paint coating.
All models incorporate radial centrifugal impellers manufactured from die cast aluminium and finished in a red colour epoxy-polyester paint finish.
Available with motors in 2 poles.
(1) Models CBT-125,160 and 170: up to 80ºC.
CSB Models: up to 70ºC.

Motors
All motors are IP55 class F (1), with ball bearings greased for life.
Electrical supply:
-Single phase 230V-50Hz.
-Three phase 230/400V-50Hz and 400V-50Hz.
(1) Models CSB and CBT-40: IP44, class B and equipped with thermal protection.

Additional information
The scroll can be orientated (1) in 7 different positions as per the table below. Standard supplied position: LG270.
(1) CSB and CST Models: only can be supplied in LG270 position.The CBT-160 model includes PTC probe.

On request
2 speed motors.

ATEX

ATEX versions
On request, explosion proof versions in accordance to ATEX Directive for three phase models. For ambient working temperatures from -20ºC to +40ºC.- ATEX Flameproof -Gas:
Except CBT-40 and CST-60 models
II 2G Ex d IIB T4
II 2G Ex d IIB+H2 T4 (with Ex d IIC T4 motor)
– ATEX Increased safety-Gas:
Only CBT-100 and CBT-130 models
II 2G Ex e II T3
-ATEX Dust
Suspended flammable particles and nonconductive dust:
II 3D Ex tc IIIB T125ºC
Conductive dust:
II 3D Ex tc IIIC T125ºC (with IP65 motor)
To select CBT-N refer to performance curves, or Easyvent.
The consumption data of ATEX products may vary from the data shown in technical characteristic charts.

Attributes

Tough casing design
Scroll made in one piece aluminium die casting.
Impellers dynamically balanced
Radial centrifugal impellers dynamically balanced, according to ISO 1940 standard, providing vibration free operation.

CENTRIFUGAL SINGLE INLET FANS CMB / CMT Series

admin — Mon, 16 May 2022 06:41:42 +0000

CMB/CMT

Range of centrifugal single inlet fans suitable for continuous extraction of airstreams temperature up to 80ºC or 110ºC (Series 1) or 150ºC (Series 2 and 3). All casings are manufactured from electro-welded sheet steel protected against corrosion by grey epoxy-polyester paint coating.
All models incorporate forward curved centrifugal impellers manufactured from galvanised sheet steel.
Available, depending upon the model, with single or three phase motors in 2, 4 or 6 poles.

Motors
All motors are IP55, Class F (1) with ball bearings greased for life.
Electrical supply:
-Single phase 230V-50Hz.
-Three phase 230/400V-50Hz up to 3kW.
-Three phase 400V-50Hz, for higher power motors.
Series 1 are equipped with B14 flange mounted motor.
Series 2 & 3 are equipped with B3 foot mounted motor.
(1) Series 1: Some motors are IP44, Class B

Additional information
The scroll can be orientated in 8 different positions as per the table below.
Standard supplied position: LG 270.

ATEX

ATEX versions
On request, explosion proof versions in accordance with ATEX Directive, for 3 phase models.
For ambient working temperatures from -20ºC to +40ºC.
– ATEX Flameproof – Gas
II 2G Exd IIB T4
II 2G Exd IIB+H2 T4 (with Ex d IIC T4 motor)
– ATEX Increased safety – Gas
II 2G Ex e II T3
– ATEX – Dust
Suspended flammable particles and non-conductive dust:
II 3D Ex tc IIIB T125ºC
Conductive dust:
II 3D Ex tc IIIC T125ºC (with IP65 motor)
To select CMT ATEX refer to performance curves, or Easyvent.
Note electrical data may vary for ATEX motors.
For single phase models, please consult S&P.

Attributes

Impeller dynamically balanced
Forward curved centrifugal impellers dynamically balanced, according to ISO 1940 standard, providing vibration free operation.

In-line Mixed Flow Duct Explosion Proof Fans TD ATEX Series

admin — Mon, 16 May 2022 06:41:42 +0000

TD-ATEX

Low profile in-line mixed flow duct explosion proof fans. TD-800 Ex is manufactured in antistatic plastic material. The others models are manufactured from sheet steel protected with black polyester paint coating. Detachable fan unit without demounting duct connections.

ATEX

Explosion proof versions in accordance with ATEX Directive, for single phase 230V-50Hz. Motors IP44, Class B. For ambient working temperatures from -20ºC to +40ºC.
– ATEX Increased safety – Gas
For model 800.
II 2G Exe IIC T3 Gb
EC: LOM 08 ATEX 2052 X Supplement 2.
For models 1100 and 1200.
II 2G Exe IIC T3 Gb
EC: LOM 11 ATEX 2021 X Supplement 1.
See data for selection, or refer to Easyvent.

Attributes

Mixed flow impeller
Efficient performance mixed flow impeller.
External terminal box and ATEX capacitor, External terminal box, IP55, easy access, fireproof plastic V0.
Earth connection