Smoke Centrifugal Fans – SIGMA

Centrifugal Single Inet Fans CXRT Series, F400-120 Rated Fans

admin — Mon, 16 May 2022 06:40:35 +0000

CXRT

Range of single inlet direct driven centrifugal fans designed for smoke extraction in fire conditions and certified F400-120 (CE marked) and suitable for the continuous extraction of air stream up to 120ºC.
The CXRT range is supplied with galvanized steel plate housing mounted with Pittsburg system.
Welded backward curved centrifugal impellers protected by epoxy paint.

Motors
All motors are IP55, Class F.
2, 4, 6 or 8 pole, depending on version.
2 speed models (2/4, 4/6, 4/8, 6/8 and 6/12).
Electrical supply:
Three phase 230/ 400V-50Hz up to 3 kW.
400V-50Hz for higher motor powers and 2 speed motors.
(See characteristics chart).

Additional information
The scroll can be orientated in 3 different positions as per the table below.
Standard supplied position: RD0.

On request:
Fan supplied in LG positions.
Versions protected against corrosion by epoxy paint coating.
Fan fitted with 2-speed motor.

Attributes

Watertight scroll
Range of fans supplied as standard with housing mounted with the Pittsburgh system ensuring water tightness.
Welded impeller, dynamically balanced
Backward curved centrifugal impellers, protected with epoxy paint coating and dynamically balanced, according to ISO 1940 standard, providing vibration free operation.

Centrifugal jet fans IFHT Series

admin — Mon, 16 May 2022 06:40:35 +0000

IFHT

Centrigugal jet fans, to induce air movement in enclosed car parking.
Models for ventilation and emergency smoke operation at F400 or F300.

Description
Thrust 50, 75 and 100N.
Centrifugal backward curved impeller in galvanized steel and balanced in accordance with ISO 1940-1, G6.3.
Fan duct in galvanized steel with 2 mounting feet.
Fan external electrical terminal box.
Supplied with inlet steel guard.
Fan approved in accordance EN12101-3 at F400-120 and F300-120.

Motors
IEC, from 80 to 90, three phase 380-415V/50Hz, IP55, Class H, F400-120 and F300-120.
2 speeds 4/8 pole, connection type Dahlander.
Working temperature from -20ºC to +40ºC.

On request
IP65 isolator in place of electrical terminal box, factory fitted or as an accessory.
External painting to RAL colour.

Attributes

Inlet guard
Air protection guard to mount at the inlet side.
Low profile
Useful in low parkings.
External terminal box for ease of connection.
Optional isolator
Electrical Isolator fitted to fan for security, IP65, F400, factory fitted or as an accessory.

Single inlet centrifugal fans BSP Series

admin — Mon, 16 May 2022 06:40:35 +0000

BSP

Range of belt driven single inlet centrifugal fans, designed for emergency smoke extraction in fire conditions and certified F400-120. The fans are also suitable for supply or exhaust applications in commercial and industrial buildings.
Sizes of this series are in accordance with AMCA standard 99-0098-76 and DIN323R20.

Operating limit
Each fan type has its maximum operating speed and power due to its mechanical design. The operating limit of BSP series is adjusted to meet the requirement of class I limit as defined in AMCA standard 99-2408-69.

Motor
Foot-mounted motor (B3), IP55, Class F insulation
Electrical supplies:Three phase 230/400V-50Hz up to 3kW.
Three phase 400V-50Hz for higher power motors.
1 speed motor are speed controllable by inverter.

Wheel
The wheel of BSP series has backward curved blades manufactured in cold rolled sheet steel with polyester powder coating finish.

Housing
For all sizes except 1250 and above, the housing is manufactured in galvanized sheet steel with the housing fixed to the side plates in “pittsburg lock” form system.
Housing for 1250 and 1400 are manufactured in mild steel finished with polyester powder coating.

Frame
The frame is manufactured with galvanized angular bars for type “C”.
For type “T”, they are manufactured with sections of steel and finished with polyester powder coating.

Type C (models from 315 to 630)
This type has a frame fitted on both sides of the fan which gives better strength and rigidity. It allows mounting in four different orientations, either CW or CCW rotation.

Type T (models from 710 to 1400)
This type has a welded frame giving increased stiffness and rigidity required for higher operating performance, either CW or CCW rotation.

On request
2 speed motors.
Epoxy paint.
Inspection door and drain hole.

ATEX

ATEX versions BSP / BSP F400
On request, explosion proof versions for BSP and BSP F400, in accordance with ATEX Directive for three phase models:
– 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 non-conductive dust:
II 3D Ex tc IIIB T125ºC
Conductive dust:
II 3D Ex tc IIIC T125ºC (with IP65 motor)

Attributes

Assembly type C
Assembly type T