Axial Flow ATEX Fans and Jet Fans – SIGMA

Plate mounted axial flow flameproof FANS HDB / HDT Series

admin — Mon, 16 May 2022 06:41:21 +0000

HDB/HDT

Range of plate mounted axial flameproof fans. Mounting plate manufactured from galvanised sheet steel fitted with an internal aluminium ring and motor support manufactured from heavy gauge aluminium sheet. The whole assembly is protected by aluminium paint finish B-0920. Impellers manufactured from one piece die-cast aluminium with aerofoil profile fixed blades and finished in a high temperature paint coating (red colour).
Available, depending upon the model, with single or three phase motors in 4, 6 or 8 poles.

Motors
All motors are IP55, Class F insulation.
All motors incorporate ball bearings greased for life.
Electrical supplies:Single phase 230V-50Hz.
Three phase 230/400V-50Hz.
Additional information
Standard air direction: form (A) configuration (Motor over Impeller).
For the single phase motors, the capacitor is provided not fitted on the fan.
It must be installed outside of the ATEX area or within an electrical main board complying with ATEX Directive.

On request
Air direction: form (B) configuration (Impeller over Motor) only for 450 and 560 models.

ATEX

ATEX versions HDT
On request, explosion proof versions in accordance with ATEX Directive.
For ambient working temperatures from -20ºC to +40ºC.
– ATEX Flameproof-Gas
II 2G Ex d IIB T4
II 2G Ex d IIB+H2 T4
– 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 HDT ATEX refer to performance curves or Easyvent.
Note electrical data may vary for ATEX motors.
Alternative ATEX motors, if available, may be filled- please refer.

Cylindrical cased axial flow fans TTT-N Series

admin — Mon, 16 May 2022 06:41:21 +0000

TTT-N

Range of cylindrical cased axial flow fans with motor located externally to the fan casing and incorporating a belt driven impeller making this range suitable for continuous operation up to 120ºC. The casings are manufactured from high grade rolled sheet steel protected against corrosion by cataforesis primer and black polyester paint finish. The drive system consists of an industrial poly V-belt drive pulley system which is enclosed within metal protective guard. All models incorporate diecast aluminium impellers available with 2 or 3 fixed blade angles. The impellers are finished in red colour epoxypolyester paint coating.

Motors
All the motors are IP55 class F, fitted with ball bearings greased for life.
Electrical supplies:Three phase 230/400V-50Hz or 400V-50Hz (See characteristics chart).
Additional Information
Standard air direction: form (A) configuration (Motor over Impeller).NI versions incorporate safety switch, stop/start.

On request
NI versions: fitted with ON/OFF isolation switch.Single phase 230V-50Hz motors (up to 1.5 kW).

ATEX

ATEX versionsOn request, explosion proof versions in accordance with ATEX Directive, for 3 phase models.
For ambient working temperatures from -20ºC to +40ºC.
Air direction motor- impeller (A flow)
– 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 TTT-N ATEX refer to Easyvent.Note electrical data may vary for ATEX motors.Consult availability for other ATEX motor versions.

Attributes

Easy to mantain
Swing-out fan casing assembly provides an easy access for cleaning or maintenance.
Dynamically balanced impeller
Impellers are dynamically balanced, according to ISO 1940, providing vibration free operation and coated with a special low friction paint repelling the dirtiness.
ON/OFF isolation switch
NI versions incorporate safety switch, stop / start.

Plate mounted axial flow fans COMPACT HCBB / HCBT Series – Aluminium impellers

admin — Mon, 16 May 2022 06:41:21 +0000

HCBB/HCBT

Range of low profile plate mounted axial fans fitted with aluminium impellers and single phase motor (HCBB) or three phase motor (HCBT), IP65 (1), Class F insulation (2), equipped with thermal protection (3).
(1) Models 800, 900 and 1000 are IP55.
(2) Working temperatures from -40ºC up to +70ºC. Except models Ø 800, 900 and 1000 suitable for usage in environments from -20ºC to +40ºC.
(3) Except models Ø 800 to 1000.

Motors
Available, depending upon the model, with single or three phase motors in 4 or 6 poles. All motors are speed controllable by autotransformer except models /4-630, B/710, T/4-710, T/800, T/900 and T/1000.Three phase models are speed controllable by inverter.
Electrical supplies:Single phase 220-240V-50Hz. (Capacitor located inside the wiring terminal box).
Three phase 220-240/380-415V-50Hz or 400V-50Hz (See characteristic chart).

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

On request
Inlet finger proof guard for models 800 to 1000.

ATEX

On request, explosion proof versions in accordance with ATEX Directive, for three phase models.
– Motors IP55, Class F
– ATEX Flameproof-Gas
For models 800 to 1000mm
II 2G Ex d IIB T4
II 2G Ex d IIB+H2 T4 (with Ex d IIC T4 motor)
– ATEX Increased safety-Gas
Except models HCBT/ 4-250, HCBT/ 6-355, HCBT/ 6-400
Available model HCBT/ 6-400 with 230/400 V motor
Available models to HCBT-1000
II 2G Ex e II T3
– ATEX Dust
For models 800 to 1000mm
Suspended flammable particles and non-conductive dust:
II 3D Ex tc IIIB T125ºC
Conductive dust:
II 3D Ex tc IIIC T125ºC (with IP65 motor)

Working temperatures for ATEX versions:
-20ºC to +55ºC
models HCBT/4-315 to HCBT/4-710
models HCBT/6-450 to HCBT 6-710
-20ºC to +40ºC
model HCBT/4-800 to 1000
model HCBT/6-800 to 1000
To select HCBT ATEX refer to Easyvent.Note electrical data may vary for ATEX motors.

Attributes

Compact design
Compact design created by the combination of the motor with the factory matched direct drive wrap around impeller hub.
Corrosion resistance
Mounting plate, motor support and finger proof guard protected by cataforesis primer and black polyester paint finish.
Stainless steel screws.
Terminal box
Wiring terminal box with cable gland PG-11.
Impeller dynamically balanced
Impellers are dynamically balanced, according to ISO 1940 standard, giving vibration free operation.
Manufacturing variations
Multiple manufacturing variations, depending on the type of installation and use conditions.
Configuration for models Ø 800 to 1000
Special design of motor over impeller, which provides compactness and tightness
IP55.

Cylindrical cased axial flow fans COMPACT TCBB / TCBT Series – Aluminium Impellers

admin — Mon, 16 May 2022 06:41:21 +0000

TCBB/TCBT

Range of cylindrical cased axial flow fans fitted with aluminium impellers and manufactured from high grade rolled galvanised steel and protected against corrosion by cataforesis primer and black polyester paint finish.
All models are supplied with pre-wired wiring junction box located on the outside of the fan casing for easy wiring access.
Available, depending upon the model, with single or three phase motors in 2, 4 or 6 poles.

Motors
Single phase motor (TCBB) or three phase motor (TCBT).
Models 250, 315, 355 and 400: External rotor motor, IP44, Class F, thermal protection, working temperature from -40ºC to +40ºC.
Models 450, 500, 560, 630 and 6/710: IP65, Class F, thermal protection, working temperature from -40ºC to +70ºC.
Models 4/710 and 800: IP55, Class F, working temperature from -40ºC to +40ºC.

All motors are speed controllable by autotransformer except models /4-560H, /4-630, 710 and T/800.
Three phase motors are speed controllable by inverter.
Electrical supplies:Single phase 230V-50Hz.
(Capacitor located inside the wiring terminal box).
Three phase 230/400V-50Hz or 400V-50Hz.
(See characteristic chart).
Additional information
Standard air direction: form (B)
configuration
(impeller over motor).

On request
Air direction: form (A) configuration (motor over impeller).
From Ø450 to Ø800, three phase motors 2 speed, 4/8 poles.

ATEX

ATEX versions TCBT
On request, explosion proof versions in accordance with ATEX Directive, for 3 phase models.
For ambient working temperatures:
From -20ºC to +55ºC:
-models TCBT/4-315 to 630mm
-models TCBT/6-355 to 710mm
From -20ºC to +40ºC:
-models TCBT/4-710 to 800mm
-models TCBT/6-800mm

Motors IP55 Class F

– ATEX Flameproof – Gas
For models TCBT/4-710 and 800mm
models 2G Exd IIB T4
models 2G Exd IIB+H2 T4 (with Ex d IIC T4 motor)
– ATEX Increased safety – Gas
Not available:
TCBT/2-250/H 400V-50Hz
TCBT/4-250/H 400V-50Hz
TCBT/6-355/H 400V-50Hz
TCBT/6-400/H 400V-50Hz
Available for TCBT/6-400/H 230/400V-50Hz and larger sizes.
models 2G Exe II T3
– ATEX – Dust
For models TCBT/4-710 and 800mm
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 TCBT ATEX refer to performance curves, or Easyvent.
Note electrical data may vary for ATEX motors.

Attributes

Corrosion resistance
Rolled steel casings and motor support protected by cataforesis primer and black polyester paint finish.
Stainless steel screws.
Terminal box
Wiring terminal box with cable gland PG-11 (except ATEX models).
Impeller dynamically balanced
Impellers are dynamically balanced, according to ISO 1940 standard, giving vibration free operation.
Configuration for models /4-710 and 800.
Constructive configuration models 250, 315, 355 and 400.
excepted 6-355, 6-400 and ATEX).

Cylindrical Cased Axial Flow Atex Fans TGT ATEX Series

admin — Mon, 16 May 2022 06:41:21 +0000

TGT-ATEX

Range of cylindrical cased axial flow ATEX fans, from 400 to 1250 mm diameters.
Casings formed from rolled sheet steel with a corrosion resistant hot dipped galvanised finish.
All models incorporate separate high grade diecast aluminium blades locked within a pressed sheet steel hub.
Suitable for horizontal or vertical mounting installation.
All models are available in both short and long (LP) casing versions.
Long casing versions include a large inspection door.

Motors
Available, depending upon the model:
– with three phase motors in 2, 4 or 6 poles.

All the motors are IP55, Class F insulation
Electrical supplies:
Three phase 230/400V-50Hz up to 3kW.
Three phase 400V-50Hz, for higher power motors and two speed motors.
(See characteristics chart).

Additional information
Standard air direction: Form B configuration (impeller over motor).

On request
Air direction: Form A configuration (motor over impeller).

ATEX

ATEX versions available for 3 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 motor Ex d IIC T4)
– ATEX Increased safety – Gas
II 2G Ex e II T3
– ATEX – Dust
Combustable flyings and non conductive dust:
II 3D Ex tc IIIB T125ºC
Conductive dust:II 3D Ex tc IIIC T125ºC ( with motor IP65)
* TGT ATEX Flameproof models 400 and 450mm diameter only available long case LP version.
** TGT ATEX Flameproof models 500 to 1250mm diameter available short case and long case version LP (not available version K or L).

To select TGT ATEX refer to performance curves for THGT, or Easyvent.
Note electrical data may vary for ATEX motors.

Attributes

ATEX Long casing version “LP”
Large inspection door fitted on Long cased models for ATEX versions, that enables access to the motor terminal box for electrical connection.
Ex motor versions
Ex versions in accordance to ATEX Directive.