Centrifugal fans for furnace applications – SIGMA https://sigmagroupsa.com Mon, 16 May 2022 08:55:23 +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 Centrifugal fans for furnace applications – SIGMA https://sigmagroupsa.com 32 32 CENTRIFUGAL FANS FOR FURNACE APPLICATIONS CFHT Series https://sigmagroupsa.com/product/centrifugal-fans-for-furnace-applications-cfht-series/ https://sigmagroupsa.com/product/centrifugal-fans-for-furnace-applications-cfht-series/#respond Mon, 16 May 2022 08:54:48 +0000 https://sigmagroupsa.com/?post_type=product&p=4921

CFHT

Range of belt drive centrifugal fans designed for hot air recycling in furnace and continuous operation with air stream up to 300ºC.
Frameworks are manufactured from electro-welded sheet with high grade thermal and acoustic insulation rock wool panel and with a though black colour, special paint coating for high temperature applications.
All models incorporate high performance backward curved centrifugal impellers from FR range.
Suitable for horizontal or vertical operation (indicate on the order).
External lubricators are provide for easy lubrication of bearings.
The drive system consists of a belt drive pulley system.

Motors
4 pole motors, IP55, class F.
Electrical supply:
Three-phase 230/400V-50Hz up to 3kW and 400/690V-50Hz for higher motor powers.

Additional Information
Scroll to fix on the inside wall of the furnace and inlet cone, supplied as accessories.

On request

  • Motor with PTC thermal protection.
  • Other motors with different pressure and airflow.
  • Stainless steel construction.
  • Special equipment to operate up to 550ºC for continuous operation.
  • Other thicknesses for the isolated housing.
  • 60 Hz and different voltage motors.
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CENTRIFUGAL FANS FOR FURNACE APPLICATIONS CFMT-N Series https://sigmagroupsa.com/product/centrifugal-fans-for-furnace-applications-cfmt-n-series/ https://sigmagroupsa.com/product/centrifugal-fans-for-furnace-applications-cfmt-n-series/#respond Mon, 16 May 2022 08:54:48 +0000 https://sigmagroupsa.com/?post_type=product&p=4922

CFMT

Single inlet direct-drive centrifugal fan with forward-curved impeller.
Insulation panel is manufactured from galvanized sheet steel with internal thermal insulation of mineral fiber.
Standard orientation: LG
Motor: 4 pole, IP55, Class F, 400/690V 50Hz 3 phase (except 3 kW motor – 230/400V 50Hz)
Continuous operation with air stream up to 250ºC.
Application: hot air recirculation in furnace.

Additional information
Scroll with inlet supplied as an accessory.

On request

  • Fan supplied in RD position.
  • Different voltages.
  • 60 Hz.
  • Stainless steel construction AISI-304 / AISI-316 (except impeller only available in AISI-304)
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CENTRIFUGAL FANS FOR FURNACE APPLICATIONS CFST Series https://sigmagroupsa.com/product/centrifugal-fans-for-furnace-applications-cfst-series/ https://sigmagroupsa.com/product/centrifugal-fans-for-furnace-applications-cfst-series/#respond Mon, 16 May 2022 08:54:48 +0000 https://sigmagroupsa.com/?post_type=product&p=4923 Range of direct driven centrifugal fans designed for hot air recycling in furnace and continuous operation with air stream up to 250ºC. Frameworks are manufactured from electro-welded sheet with high grade thermal and acoustic insulation rock wool panel and with a though black colour, special paint coating for high temperature applications. All models incorporate high performance backward curved centrifugal impellers from FR range.

Motors
All motors are IP55, class F.
Electrical supply:
Three-phase 230/400V-50Hz up to 3kW and 400/690V-50Hz for higher motor powers.

Additional Information
Scroll to fix on the inside wall of the furnace and inlet cone, supplied as accessories.

On request

  • Motor with PTC thermal protection.
  • Other motors with different pressure and airflow.
  • Stainless steel construction.
  • Special equipment to operate up to 550ºC for continuous operation.
  • Other thicknesses for the isolated housing.
  • 60 Hz and different voltage motors.

 

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