Atex Fans for Explosive Hazardous – SIGMA

Roof Mounted Fans TH ATEX Series

admin — Mon, 16 May 2022 06:42:05 +0000

TH-ATEX

Range of roof mounted mixed flow fans, specially designed for the extraction of potentially hazardous and explosive gases, manufactured from sheet steel protected with black polyester paint coating (except TH-800/200 manufactured from plastic to prevent retention of static electricity, base and cap manufactured from sheet steel protected with black polyester paint coating). Bird-proof guard. Detachable fan unit without demounting duct connections.

ATEX

TH ATEX Motors
– Single Phase 230V 50 Hz
– IP44 Class B
– ATEX Increased safety-Gas
For models 250 and 315.
IIG Exe IIC T3 Gb
EC: LOM 11 ATEX 2021 X Supplement 1
For model 800
IIG Exe IIC T3 Gb
EC: LOM 08 ATEX 2052 X Supplement 2
See data for selection or refer to Easyvent

Attributes

IP55, external terminal box
External terminal box, easy access, IP55, fireproof plastic V0.
ATEX capacitor

Roof Mounted Axial Flow Fans HCTB / HCTT Series

admin — Mon, 16 May 2022 06:42:05 +0000

HCTB/HCTT

Range of axial roof fans with horizontal air discharge configuration available in 2 version:
-“B” models for air extract.
-“A” models for air supply.
Base manufactured from galvanized sheet steel.
Cowl manufactured from spun aluminium. The impellers for models 315 to 400 are manufactured from one piece injection moulded plastic, reinforced with chemical anchored fibreglass for additional strength. Models 450 to 1000 incorporate separate plastic blades locked within a die cast aluminium hub.
Available, depending upon the model, with single or three phase motors in 4, 6, 8 or 4/8 poles.

Motors
All motors are IP65 (1) Class F (2) with thermal protection (3) and ball bearings greased for life.
Electrical supply:
-Single phase 230V-50Hz (Capacitor located inside the wiring terminal box).
-Three phase 400V-50Hz.
(See characteristics chart).
All single phase models are speed controllable by voltage except HCTB/4- 560, HCTB/4-630.
All three phase models are speed controllable by autotransformer, except models HCTT/4- 560, HCTT/4-630, Ø 710 to 1000.
Three phase models, 1 speed motor, are speed controllable by inverter.
(1) 800 to 1000 models are IP55.
(2) Air stream temperature limits -40ºC to +70ºC (except models 800 to 1000 suitable for usage in environments from -20ºC to 40ºC).
(3) 800 to 1000 models are not equipped with thermal protection.

Aplications
Industrial process ventilation, agricultural facilities, swimming pools and data centers.

ATEX

HCTT ATEX
ATEX versions available for 3 phase models. For ambient working temperatures from -20ºC to +40ºC.
Motors IP55, class F.
– ATEX Flameproof – Gas
Only available for 800 to 1000 models
II 2G Ex d IIB T4 – ATEX Increased safety – Gas
II 2G Ex e II T3
– ATEX – Dust
Only available for 800 to 1000 models
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 HXTT ATEX refer to performance data or EASYVENT.
Note electrical data may vary for ATEX motors.

Attributes

Easy to install
Supports to facilitate installation in the roof.
High quality steel sleeve
Ensuring the long life of the fan.
Impeller dynamically balanced
Impellers are dynamically balanced, according to ISO 1940 standard, giving vibration free operation.
Bird-proof guard.

Flame Proof Roof Mounted Fans TCDH EXD Series

admin — Mon, 16 May 2022 06:42:05 +0000

TCDH EXD

Range of flame proof roof mounted fans, classified Ex II2G Exd IIB(H2) and specially designed for the ventilation / extraction of potentially hazardous and explosive gases.
Working temperature up to +40ºC.
Direct drive backward curved centrifugal impeller, manufactured from galvanised sheet steel and aluminium hub.
Base manufactured from galvanised sheet steel and brass inlet ring.
Cowl manufactured in galvanised sheet steel.
Bird proof guard in accordance with EN ISO 13857 Standard.

Motors
– Flame proof motor II2G EExd IICT4.
Available in 4, 6 or 8 poles, depending on versions.
Three phase motor 230/400V-50Hz, IP55, class F.
Motor fitted with PTC thermal protection to connect to a frequency inverter.

ATEX

Flame proof versions in accordance to ATEX Directive:
– Flame proof II2G EExd IICT4.

Attributes

Easy to install
Supports easing the installation on the roof.
Bird-proof guard.
Backward curved centrifugal impellers
To prevent accumulation of dirt.

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

Belt driven cabinet fans CVTT Series

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

CVTT

Range of forward curved belt drive cabinet fans manufactured from galvanised steel sheet, internally lined with melamine acoustic insulation (M1). All models incorporate a double inlet low pressurecentrifugal fan mounted on anti-vibration mounts and flexible coupling at the discharge. Supplied as standard in horizontal discharge (code H) configuration with motor, pulley and belt assembly on the right hand side of the unit when viewed from the discharge end.

Motors
All motors are IP55, class F insulation.
Electrical supply:
– Three phase 220-240/380-415-50/60* Hz up to 3 kW.
(*Check Easyvent for 60Hz available models)
– Three phase 380-415V-50Hz, for higher power motors and two speed motors.
(See characteristics chart)
– Single phase 230V-50Hz, with a maximum of 1,5 kW (CVTB version).
All motor up to 2,2 kW are mounted onto the fan casing scroll.
All motor above 3 kW are mounted onto an adjoining support frame.
All three phase motors are speed controllable by frequency inverter.

On request
The belt-driven assembly can be supplied at the left hand side of the unit (TI version), Vertical discharge (code V) configuration.
Models fitted with circular inlet flanges.
Double thickness (double skin) panels with acoustic fireproof insulation (M0) of 17mm thickness fiberglass.
Two speed motors (4/8 and 4/6 poles).

ATEX

ATEX versions
On request, explosion proof versions in accordance to ATEX Directive, for three phase models up to 11 kW:
– ATEX Flameproof -Gas:
II 2G Ex d IIB T4
II 2G Ex d IIB+H2 T4 (with Ex d IIC T4 motor)
– ATEX Increased safety-Gas:
II 2G Ex e II T3

CVTT ATEX versions are supplied without melamine insulation.
To select CVTT refer to performance curves, or Easyvent.
The consumption data (A, W) of ATEX products may vary from the data shown in technical characteristic charts.

Attributes

Low noise level
Acoustic insulation of 7 mm thickness flame retardant (M1) melamine foam reducing the noise level significantly.
Flexible coupling at the discharge
To reduce vibration and noise transmissions to the installation.
Robustness
Quality finishing, with aluminium corners providing a high robustness.
Versatile outlet discharge
Vertical discharge models available under request.
Anti-vibration mounts
The fan is mounted on base frame with silent-blocks to reduce vibration and noise transmissions to the installation.

Axial Flow Cabinet Atex Fans CGT-ATEX Series

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

CGT-ATEX

Range of adjustable pitch aerofoil blade, axial flow cabinet fans. Fan casing manufactured from heavy gauge galvanised sheet steel internally lined with 25 mm thickness fireproof fibreglass acoustic insulation (M0).
All models incorporate separate high grade diecast aluminium blades locked within a pressed sheet steel hub.

Motors
Available, depending upon the model:
– with three phase motors in 4 or 6 poles.
– with three phase two speed motors 4/8, 4/6 or 6/12 poles.
All the motors are IP55, Class F insulation.
Electrical supplies:
Three phase 220-240/380-415-50/60* Hz up to 3 kW.
(*Check Easyvent for 60Hz available models)
Three phase 380-415V-50Hz, for higher power motors and two speed motors.
(See characteristics chart).

Additional information
Standard air direction: form (A) configuration
(Motor over Impeller).

On request
Air direction: form (B) configuration (Impeller over Motor).
Single phase motors 230-50Hz up to 2,2kW.
Motors with PTC.

ATEX

ATEX versions available for three phase models. For ambient working temperatures from -20ºC to +40ºC.
– ATEX Flameproof-Gas
II 2G Ex d IIB T4
II 2G Ex d 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 nonconductive dust:
II 3D Ex tc IIIB T125ºC
Conductive dust:
II 3D Ex tc IIIC T125ºC (with IP65 motor)
To select CGT ATEX refer to performance curves for CHGT or Easyvent.
Note electrical data may vary for ATEX motors.

Attributes

Corrosion resistance
Casings manufactured from galvanised sheet steel.
Design enables the casing side panels to be removed and the motorimpeller assembly accessed.
Easy to install
Robust base supports facilitate the installation.
(Models from 900 to 1250).
Impeller dynamically balanced
Impeller dynamically balanced, according to ISO 1940 standard, providing vibration free operation.
Wide blade design: higher pressure
Wide blade design to ensure the highest efficient airflow performances.
Configuration 1: models from 400 to 800-6.
Configuration 2: models from 800-9 to 1250.

In-line Duct Explosion Proof Fan ILT ATEX Series

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

ILT-ATEX

Range of in-line rectangular duct fan, specially designed for the extraction of potentially hazardous and explosive gases. Manufactured from galvanised steel sheet and provided with an inspection cover that can be removed to access the motor/ impeller assembly without having to remove the complete fan casing from the ducting. All model incorporate directdrive forward curved centrifugal impeller. Working temperature from -20 to 55 ºC.

Motors
Available in 4 poles.
Speed controller by auto-transformer (RMT*).
Speed controllable by inverter (VFTM*).
* These accessories are certified for use with the equipment. For that reason, they cannot be substituted with any other type or brand of accessory.
Electrical supply:
-Three phase 230/400V-50Hz.

ATEX

Explosion proof versions in accordance to ATEX Directive for three phase models. For ambient working temperatures from -20ºC to +55ºC.
– ATEX Increased safety – Gas
II2G Exe II T3 Gb.
– EC: LOM II ATEX 2026 X

Attributes

Easy to install
Standard rectangular flanges to ease the Installation.
IP55 remote terminal box
To ease installation and maintenance.
Inspection cover
To facilitate maintenance.
Non-sparking construction
Non-sparking construction in copper.
Earth connection
ATEX mouthpiece

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

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

TD-ATEX

ATEX

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