Cylindrical Cased Axial Flow Fans – SIGMA

CYLINDRICAL CASED AXIAL FLOW FANS EF 9B Series

admin — Mon, 16 May 2022 08:55:11 +0000

EFC

Cylindrical cased axial flow belt drive fans with motor located externally to the fan casing. The casing is made of sturdy welded sheet steel Fe 360 B hot galvanized with double flange and inspection door. The impeller and the hub are made of a die-cast aluminium alloy, with variable pitch angle, dynamically balanced. This construction includes belt guard. The drive components are totally insulated from the airflow. The sheet is painted following a cataforesis treatment + polyurethane paint. Working temperature -20ºC/180ºC.

Assembly systems
• ARRANGEMENT 9: belt drive with motor supported by the casing.
• ARRANGEMENT 12: belt drive with fan and motor supported by the baseframe. Only available for steel hub versions.

On request
• Manufactured in steel Fe 360B specially prepared to work until 300ºC continuously.
• Manufactured in Corten, for temperatures higher than 300ºC.
• Anticorrosive version in INOX AISI 304-316.
• Special sealed version for particular applications.

Motors
Voltage:
Three-phase 230/400V-50Hz

Other features
• Impeller-Motor (flow B).
• Motor-Impeller (flow A), on request.
• For sizes bigger than 1000, the fans are standard hot galvanized.
• From 1601 up to 1801 diameter, the hub is manufactured in steel.

CYLINDRICAL CASED AXIAL FLOW FANS EBC Series

admin — Mon, 16 May 2022 08:55:11 +0000

EBC

Motors
Voltage:
Three-phase 230/400V-50Hz

ATEX

ATEX versions
On request, explosion proof versions in accordance with ATEX directive for three phase models:
Ambient temperature -20°C to +60°C, ambient pressure (abs.) 0,8 bar to 1,1 bar according to EN 14986.
• Gas:
2G IIB T2-T3, Motor Exd IIB or ExeII
2G IIB+H2 T2-T3, Motor ExdIIc
3G IIB T2-T3, Motor ExnA (only for 3G zone)
3G IIB+H2 T2-T3, Motor ExnA (only for 3G zone)

• Non-conductive dust:
2D IIIB T195°C-T295°C
3D IIIB T195°C-T295°C

• Conductive dust (compulsory IP 65 motor):
2D IIIC T195°C-T295°C
3D IIIC T195°C-T295°C

Portable Cooling Fans TURBO-N Series

admin — Mon, 16 May 2022 06:38:36 +0000

TURBO

Range of large diameter portable cooling fans specially designed to offer a powerful and uniform distribution of air.
The series is composed by three floor models, of 360, 400 and 450mm diameter and a column model of 450mm.
3 speed controller and carrying handle included.

ApplicationsDomestic, commercial and industrial clean environments and cleanroom conditions.
-Ventilation applications in assembly and storage areas.
-Ventilation of one or several rooms in residential dwellings, offices and retail outlets.
-Engine, compressor and transformer cooling.
-Paint line drying applications.
-Heat dissipation in workplaces.

TURBO 3000 Series:
Range of large diameter portable cooling fans specially designed to offer a powerful and uniform distribution of air.
Metallic impeller dynamically balanced.
TURBO-3000 is equipped with thermal protection, IP54, with a guaranteed life of 30.000 hours.

Applications
Domestic, commercial and industrial clean environments.
• Ventilation of one or several rooms in residential dwellings, offices and retail outlets.
• Ventilation applications in foundries, steel mills, glass factories, …
• Engine, compressor and transformer cooling.
• Paint line drying applications.
• Heat dissipation in the workplace.

Attributes

Speed controller
Carrying handle.
Adjustable fan positionProof guard (detachable).
TURBO 3000
Carrying hundle. Adjustable fan position. Proof guard (detachable).
TURBO 3000
High performance impeller. The special impeller design delivers a high volume airflow for commercial or industrial environments.

CYLINDRICAL CASED AXIAL FLOW FANS TXBR ECOWATT Series

admin — Mon, 16 May 2022 06:38:36 +0000

TXBR-ECOWATT

Range of cylindrical cased axial flow fans with fan casing protected against corrosion by cataforesis and polyester paint finish, with low noise level and dynamically balanced.

Motors
Brushless EC motor with high performance and low consumption, supply 230V±10% 50/60Hz, IP44, ball bearings and thermal protection included. Speed adjustable 100% via potentiometer located in the terminal box or via external control REB-ECOWATT type. Analogue input remote control with a 0-10V external signal.

Additional information
Air direction: form (B) configuration (impeller over motor).

Attributes

Corrosion resistance
Fan casing and support protected by cataforesis and black polyester paint finish.
Terminal box IP65
High efficiency “AMAX” impeller
Designed to ensure the highest and most efficient airflow performance with the lowest noise level.

PORTABLE COOLING FANS COMPACT PBB / PBT Series

admin — Mon, 16 May 2022 06:38:35 +0000

COMPACT PBB/PBT

Range of industrial cooling fans designed to provide high volumes of air.
The fan casing is formed from heavy gauge rolled sheet steel with the motor support manufactured from steel rod and electro-welded for increased strength. The fan assembly is supported by a robust cold formed tubular steel stand. The whole assembly is protected by cataforesis primer and black polyester paint finish.
Plastic impellers dynamically balanced manufactured in a UV stabilised injection moulded plastic with reinforced fibreglass resistant to many chemical and abrasive airstreams.
All models are fitted with robust steel wire finger guards on both the inlet and outlet sides of the fan.
All wiring connections are made via an IP65 rated terminal box fixed to the exterior of the casing and provided with 2 poles On/Off switch.

Motors
All the motors are IP65, Class F insulation (1),equipped with thermal protection.
Three phase motors are speed controllable by inverter.
All motors are speed controllable except /4-630 model.
Electrical supplies:
-Single phase 230V-50Hz. (Capacitor located inside the wiring terminal box).
-Three phase 230/400V-50Hz.
(1) Class F insulation: working temperatures from -40ºC up to 70ºC.

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

Attributes

Inlet bellmouth
Aerodynamic design of the inlet bellmouth to optimise airflow performance and minimise noise level
Flame retardant terminal box
Wiring terminal box inflame retardant plastic V0 fixed to the exterior of the casing and provided with a two-pole On/ Off switch. Cable gland PG-11
Impeller dynamically balanced
Impellers are dynamically balanced, according to ISO 1940 standard, giving vibration free operation

Cylindrical cased axial flow fans TTT-N Series

admin — Mon, 16 May 2022 06:38:15 +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.

Cylindrical cased axial flow fans TET Series

admin — Mon, 16 May 2022 06:38:15 +0000

TET

Range of bifurcated axial flow fans with motor isolated from the air stream making this range suitable for continuous operation up to 150ºC.
The casings are manufactured from high grade rolled sheet steel protected against corrosion by grey epoxy-polyester paint finish.
All models incorporate one piece die-cast aluminium impeller.
The impellers are finished with red colour epoxypolyester paint coating.
Available, depending upon the model, with three phase motors in 2, 4 or 6 poles.

Motors
All the motors are IP55, Class F insulation.
Electrical supply:Three phase motors 230/400V-50Hz.

Attributes

Motor isolated from the air stream
Motor isolated from the air stream in a tunnel between the “split” fan casing. The motor is cooled by an impeller mounted on the non drive end of the motor.
Dynamically balanced impellerImpellers are dynamically balanced, according to ISO 1940, providing vibration free operation and coated with a special low friction paint repelling the dirtiness.

Bifurcated axial flow fan TET-N Series

admin — Mon, 16 May 2022 06:38:15 +0000

TET-N

Range of bifurcated axial flow fans with motor isolated from the air stream making this range suitable for continuous operation up to 150ºC and a short time up to 200ºC for temporary running.
The casings are manufactured from high grade rolled sheet steel protected against corrosion by black epoxy paint finish.
All models incorporate one piece die-cast aluminium impellers. Available, depending upon the model, with singlephase or three phase motors in 2, 4 or 6 poles.

Motors
All motors are direct drive, IP55, class F insulation.
Electrical supply:Single phase motor 230V-50Hz
Three phase motors 400V-50Hz
On request
Casing manufactured from stainless sheet steel or formed from rolled sheet steel with a corrosion resistant hot dipped galvanized finish.
Motor with PTC thermal protector.

Axial flow cabinet fans CHGT Series

admin — Mon, 16 May 2022 06:38:14 +0000

CHGT

Range of adjustable pitch aerofoil blade, axial flow cabinet fans designed for smoke extraction in fire conditions and certified F400-120 and F300-120 (CE marked).
Fan casing manufactured from heavy gauge galvanised sheet steel internally lined with 25mm 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 or 6/12 poles.
F400-120 and F300-120 motors are IP55 class H insulation.
Electrical supplies:Three phase 230/400V-50Hz up to 3 kW.
Three phase 400V-50Hz, for higher power motors and two speed motors.
(See characteristics chart).
Additional Information
Standard air direction: form (A) configuration (Motor over Impeller).

Attributes

Highly versatile range due to different number of available blades and adjustable pitch angles
Impellers with 3, 5, 6, 7 or 9 blades with adjustable pitch angles, allowing the most optimum selection to achieve with every kind of instal
Motor approved S1 and S2
F400-120 or F300-120 certified motors approved for running continuously (S1) or for emergency operation (S2).
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 630 (F400) or 800/6 (F300).
Configuration 2: models from 710 (F400) or 800/9 (F300) to

Contra-rotating cased axial fans TCBBx2/TCBTx2 Series

admin — Mon, 16 May 2022 06:38:14 +0000

TCBBx2/TCBTx2

Range of cylindrical cased axial 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.
Fited with 2 contra rotating complementary impellers manufactured from die-cast aluminium.
All models are supplied with pre-wired wiring junction box located on the outside of the fan casing for easy wiring access.
Available with single or three phase 4 poles motors.

Motors
All the motors are IP65, Class F insulation (1), equipped with thermal protection.
Single phase motors are variable voltage (Excepted TCBBX2/4-630).
Three phase motors suitable for inverter control.
Electrical supplies:Single phase 230V-50Hz (Capacitor located inside the wiring terminal box)
Three phase 230/400V-50Hz.(1) Working temperatures from -40ºC up to 70ºC.

Attributes

Contra-rotating: High pressure
Contra-rotating system with two complementary impellers allowing the duplication of the pressure with the same air volume
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.
Impeller dynamically balanced
Impellers are dynamically balanced, according to ISO 1940 standard, giving vibration free operation.