Backward curved centrifugal fans direct drive – SIGMA https://sigmagroupsa.com Mon, 16 May 2022 08:54:11 +0000 en-US hourly 1 https://wordpress.org/?v=6.6.2 https://sigmagroupsa.com/wp-content/uploads/2022/05/cropped-Sigma-Icon-32x32.png Backward curved centrifugal fans direct drive – SIGMA https://sigmagroupsa.com 32 32 BACKWARD CURVED IMPELLER – DIRECT DRIVE MEC Series https://sigmagroupsa.com/product/backward-curved-impeller-direct-drive-mec-series/ https://sigmagroupsa.com/product/backward-curved-impeller-direct-drive-mec-series/#respond Mon, 16 May 2022 06:52:00 +0000 https://sigmagroupsa.com/?post_type=product&p=4846

MEC-N

Direct drive, single inlet centrifugal fan. Manufactured from steel sheet protected with cataforesis primer + epoxy paint finish. Designed to continuously circulate air from -20ºC up to 60ºC.

Motors
2, 4 or 6 pole, IE 3* high efficiency, three-phase 230/400V 50Hz up to motor size 132 and 400/690V 50Hz for higher motors. IP55, Class F protection.
* From 0,75kW, motor can be IE 2 and controlled by VSD.

On request
• Manufactured from different materials.
• 2-speed motors.
• 60 Hz versions.
• Painted in different RAL colour.
• Fan with no supporting stand (Motor-Flange, Arrangement 5), up to motor size 160.
• High-temperature versions (up to 150ºC) (B versions: with cooling impeller).
• ARRANGEMENT 8: with joint flexible coupling.
• Inspection door, draining, weather seal on scroll and shaft access.
• Welded casing.
• Thermal insulation lagging.

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-T4, Motor Exd IIB or ExeII
2G IIB+H2 T2-T3-T4, Motor ExdIIc
3G IIB T2-T3-T4, Motor ExnA (only for 3G zone)
3G IIB+H2 T2-T3-T4, Motor ExnA (only for 3G zone)

• Non-conductive dust
2D IIIB T125°C-T135°C-T195°C-T295°C
3D IIIB T125°C-T135°C-T195°C-T295°C

• Conductive dust (compulsory IP 65 motor):
2D IIIC T125°C-T135°C-T195°C-T295°C
3D IIIC T125°C-T135°C-T195°C-T295°C

Attributes

  • 61-MEC-Nbdp506

    Backward curved impeller

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BACKWARD CURVED IMPELLER – DIRECT DRIVE VCM Series https://sigmagroupsa.com/product/backward-curved-impeller-direct-drive-vcm-series/ https://sigmagroupsa.com/product/backward-curved-impeller-direct-drive-vcm-series/#respond Mon, 16 May 2022 06:52:00 +0000 https://sigmagroupsa.com/?post_type=product&p=4847

VCM-N

Direct drive, single inlet centrifugal fan. Manufactured from steel sheet protected with cataforesis primer + epoxy paint finish. Designed to continuously circulate air from -20ºC up to 60ºC.

Motors
2, 4 or 6 pole, IE 3* high efficiency, three-phase 230/400V 50Hz up to motor size 132 and 400/690V 50Hz for higher motors. IP55, Class F protection.
* From 0,75kW, motor can be IE 2 and controlled by VSD.

On request
• Manufactured from different materials.
• 2-speed motors.
• 60 Hz versions.
• Painted in different RAL colour.
• Fan with no supporting stand (Motor-Flange, Arrangement 5), up to motor size 160.
• High-temperature versions (up to 150ºC) (B versions: with cooling impeller).
• ARRANGEMENT 8: with joint flexible coupling.
• Inspection door, draining, weather seal on scroll and shaft access.
• Welded casing.
• Thermal insulation lagging.

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-T4, Motor Exd IIB or ExeII
2G IIB+H2 T2-T3-T4, Motor ExdIIc
3G IIB T2-T3-T4, Motor ExnA (only for 3G zone)
3G IIB+H2 T2-T3-T4, Motor ExnA (only for 3G zone)

• Non-conductive dust
2D IIIB T125°C-T135°C-T195°C-T295°C
3D IIIB T125°C-T135°C-T195°C-T295°C

• Conductive dust (compulsory IP 65 motor):
2D IIIC T125°C-T135°C-T195°C-T295°C
3D IIIC T125°C-T135°C-T195°C-T295°C

Attributes

  • 61-VCM-Nbdp506

    Backward curved impeller

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Centrifugal backward curved impeller fans FRP Series https://sigmagroupsa.com/product/centrifugal-backward-curved-impeller-fans-frp-series/ https://sigmagroupsa.com/product/centrifugal-backward-curved-impeller-fans-frp-series/#respond Mon, 16 May 2022 06:51:39 +0000 https://sigmagroupsa.com/?post_type=product&p=4834

FRP

Direct drive, single inlet centrifugal fan. Manufactured from galvanised steel sheet. Fan supplied with inspection door and double flange included.
ExII2/-G (Non-Sparking standard ATEX motor). Backward curved impeller made of plated sheet steel or steel sheet protected with anti-corrosion polyester paint coating, dynamically balanced. Designed to continuously circulate air from -20ºC up to 60ºC. Maximum dust quantity 50 mg/m3. Suitable for transporting clean air.

Motors
4 pole, IE 2* high efficiency, threephase 230/400V 50Hz up to motor size 132 and 400/690V 50Hz for higher motors. IP55, Class F protection.
* From 7,5kW motor must be with VSD or IE 3 motor.

On request
– Manufactured from different materials.
– IE3 motors.
– 631 and 632 models with scroll type FR.
– 2-speed motors.
– 60 Hz versions.
– Painted in different RAL colour.
– High-temperature versions (up to 150ºC) (B versions: with cooling impeller).

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-T4, Motor Exd IIB or ExeII
 2G IIB+H2 T2-T3-T4, Motor ExdIIc
 3G IIB T2-T3-T4, Motor ExnA (only for 3G zone)
 3G IIB+H2 T2-T3-T4, Motor ExnA (only for 3G zone)

– Non-conductive dust:
 2D IIIB T125°C-T135°C-T195°CT295°C
 3D IIIB T125°C-T135°C-T195°CT295°C

– Conductive dust (compulsory IP 65 motor):
 2D IIIC T125°C-T135°C-T195°CT295°C
 3D IIIC T125°C-T135°C-T195°CT295°C

Attributes

  • CRRT-MBPbdp506

    Backward curved impeller

  • CRRT-MBPbdp487

    Inspection door

  • CRRT-MBPbdp481

    Inspection door

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BACKWARD CURVED IMPELLER – DIRECT DRIVE FRC Series https://sigmagroupsa.com/product/backward-curved-impeller-direct-drive-frc-series/ https://sigmagroupsa.com/product/backward-curved-impeller-direct-drive-frc-series/#respond Mon, 16 May 2022 06:51:39 +0000 https://sigmagroupsa.com/?post_type=product&p=4835

FRC

Direct drive, single inlet centrifugal fan.
Manufactured from steel sheet protected with anti-corrosion polyester paint coating. Backward curved impeller made of plated sheet steel or steel sheet protected with anti-corrosion polyester paint coating, dynamically balanced. Designed to continuously circulate air from -20ºC up to 60ºC.
Suitable for transporting clean air.

Motors
, 4 or 6 pole, IE-3* high efficiency, three-phase 230/400V 50Hz up to motor size 132 and 400/690V 50Hz for higher motors. IP55, Class F protection.
* From 0,75kW, motor can be IE-2 and controlled by VSD.

On request

  • Manufactured from different materials.
  • 2-speed motors.
  • 60 Hz versions.
  • Painted in different RAL colour.
  • Hot dip galvanized scroll.
  • High-temperature versions (up to 150ºC) (B versions: with cooling impeller).
  • Inspection door, draining, different seals on scroll and shaft access.

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-T4, Motor Exd IIB or ExeII
2G IIB+H2 T2-T3-T4, Motor ExdIIc
3G IIB T2-T3-T4, Motor ExnA (only for 3G zone)
3G IIB+H2 T2-T3-T4, Motor ExnA (only for 3G zone)

  • Non-conductive dust:

2D IIIB T125°C-T135°C-T195°CT295°C
3D IIIB T125°C-T135°C-T195°CT295°C

  • Conductive dust (compulsory IP 65 motor):

2D IIIC T125°C-T135°C-T195°CT295°C
3D IIIC T125°C-T135°C-T195°CT295°C

Attributes

  • CRRT-Cbdp506

    Backward curved impeller

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BACKWARD CURVED IMPELLER – DIRECT DRIVE ART Series https://sigmagroupsa.com/product/backward-curved-impeller-direct-drive-art-series/ https://sigmagroupsa.com/product/backward-curved-impeller-direct-drive-art-series/#respond Mon, 16 May 2022 06:51:39 +0000 https://sigmagroupsa.com/?post_type=product&p=4836

ART-N

Direct drive, single inlet centrifugal fan. Manufactured from steel sheet protected with cataforesis primer + epoxy paint finish. Designed to continuously circulate air from -20ºC up to 60ºC.

Motors
2, 4 or 6 pole, IE 3* high efficiency, three-phase 230/400V 50Hz up to motor size 132 and 400/690V 50Hz for higher motors. IP55, Class F protection.
* From 0,75kW, motor can be IE 2 and controlled by VSD.

On request
• Manufactured from different materials.
• 2-speed motors.
• 60 Hz versions.
• Painted in different RAL colour.
• Fan with no supporting stand (Motor-Flange, Arrangement 5), up to motor size 160.
• High-temperature versions (up to 150ºC) (B versions: with cooling impeller).
• ARRANGEMENT 8: with joint flexible coupling.
• Inspection door, draining, weather seal on scroll and shaft access.
• Welded casing.
• Thermal insulation lagging.

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-T4, Motor Exd IIB or ExeII
2G IIB+H2 T2-T3-T4, Motor ExdIIc
3G IIB T2-T3-T4, Motor ExnA (only for 3G zone)
3G IIB+H2 T2-T3-T4, Motor ExnA (only for 3G zone)

• Non-conductive dust
2D IIIB T125°C-T135°C-T195°C-T295°C
3D IIIB T125°C-T135°C-T195°C-T295°C

• Conductive dust (compulsory IP 65 motor):
2D IIIC T125°C-T135°C-T195°C-T295°C
3D IIIC T125°C-T135°C-T195°C-T295°C

Attributes

  • 61-ART-Nbdp506

    Backward curved impeller

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BACKWARD CURVED IMPELLER – DIRECT DRIVE FQ Series https://sigmagroupsa.com/product/backward-curved-impeller-direct-drive-fq-series/ https://sigmagroupsa.com/product/backward-curved-impeller-direct-drive-fq-series/#respond Mon, 16 May 2022 06:51:39 +0000 https://sigmagroupsa.com/?post_type=product&p=4837

FQ-N

Direct drive, single inlet centrifugal fan. Manufactured from steel sheet protected with cataforesis primer + epoxy paint finish. Designed to continuously circulate air from -20ºC up to 60ºC.

Motors
2, 4 or 6 pole, IE 3* high efficiency, three-phase 230/400V 50Hz up to motor size 132 and 400/690V 50Hz for higher motors. IP55, Class F protection.
* From 0,75kW, motor can be IE 2 and controlled by VSD.

On request
• Manufactured from different materials.
• 2-speed motors.
• 60 Hz versions.
• Painted in different RAL colour.
• Fan with no supporting stand (Motor-Flange, Arrangement 5), up to motor size 160.
• High-temperature versions (up to 150ºC) (B versions: with cooling impeller).
• ARRANGEMENT 8: with joint flexible coupling.
• Inspection door, draining, weather seal on scroll and shaft access.
• Welded casing.
• Thermal insulation lagging.

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-T4, Motor Exd IIB or ExeII
2G IIB+H2 T2-T3-T4, Motor ExdIIc
3G IIB T2-T3-T4, Motor ExnA (only for 3G zone)
3G IIB+H2 T2-T3-T4, Motor ExnA (only for 3G zone)

• Non-conductive dust
2D IIIB T125°C-T135°C-T195°C-T295°C
3D IIIB T125°C-T135°C-T195°C-T295°C

• Conductive dust (compulsory IP 65 motor):
2D IIIC T125°C-T135°C-T195°C-T295°C
3D IIIC T125°C-T135°C-T195°C-T295°C

Attributes

  • 61-FQ-Nbdp506

    Backward curved impeller

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BACKWARD CURVED IMPELLER – DIRECT DRIVE FR Series https://sigmagroupsa.com/product/backward-curved-impeller-direct-drive-fr-series/ https://sigmagroupsa.com/product/backward-curved-impeller-direct-drive-fr-series/#respond Mon, 16 May 2022 06:51:39 +0000 https://sigmagroupsa.com/?post_type=product&p=4838

FR-N

Direct drive, single inlet centrifugal fan. Manufactured from steel sheet protected with cataforesis primer + epoxy paint finish. Designed to continuously circulate air from -20ºC up to 60ºC.

Motors
2, 4 or 6 pole, IE 3* high efficiency, three-phase 230/400V 50Hz up to motor size 132 and 400/690V 50Hz for higher motors. IP55, Class F protection.
* From 0,75kW, motor can be IE 2 and controlled by VSD.

On request
• Manufactured from different materials.
• 2-speed motors.
• 60 Hz versions.
• Painted in different RAL colour.
• Fan with no supporting stand (Motor-Flange, Arrangement 5), up to motor size 160.
• High-temperature versions (up to 150ºC) (B versions: with cooling impeller).
• ARRANGEMENT 8: with joint flexible coupling.
• Inspection door, draining, weather seal on scroll and shaft access.
• Welded casing.
• Thermal insulation lagging.

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-T4, Motor Exd IIB or ExeII
2G IIB+H2 T2-T3-T4, Motor ExdIIc
3G IIB T2-T3-T4, Motor ExnA (only for 3G zone)
3G IIB+H2 T2-T3-T4, Motor ExnA (only for 3G zone)

• Non-conductive dust
2D IIIB T125°C-T135°C-T195°C-T295°C
3D IIIB T125°C-T135°C-T195°C-T295°C

• Conductive dust (compulsory IP 65 motor):
2D IIIC T125°C-T135°C-T195°C-T295°C
3D IIIC T125°C-T135°C-T195°C-T295°C

Attributes

  • 61-FR-Nbdp506

    Backward curved impeller

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