Centrifugal backward curved impeller fans
CRRT Series

Direct coupled, single inlet centrifugal fan. Manufactured from steel sheet protected with anti-corrosion polyester paint coating. Backward curved impeller made of pre-galvanized sheet steel, dynamically balanced. Designed to continuously circulate air from -10ºC up to 120ºC, high temperature versions up to 250ºC, for L versions maximum temperature 200ºC (R versions with cooling impeller). Suitable for transporting clean air. LG-270 standard orientation.

Motors

2, 4 or 6 pole, IE 2 high efficiency, three-phase 230/400V 50Hz up to 3kW and 400/690V 50Hz for higher powers. IP 55, Class F protection.

On request

• Manufactured from different materials.
• 8-pole motors (motors will be IE-1 efficiency).
• 2-speed motors.
• 60 Hz versions.
• Painted in different RAL colour.
• RD version.
• Fan with no supporting stand (MB – Motor Flange).
• High-temperature versions (up to 250ºC, except for L versions: max. 200ºC)) (R versions: with cooling impeller).
• Inspection door, draining, weather seal on scroll and shaft access.
• L version: galvanized sheet steel.
  • Available models:
  • 2 pole: up to 561 model
  • 4 pole: up to 801 model

ATEX versions
Explosion proof versions in accordance to ATEX Directive:
• ExII2/-G (Non-Sparking standard ATEX motor).
• Increase safety II2G EExeIIT3.
• Flame proof II2G EExdIIBT5 or EExdIICT4.
• Dusty surrounding ExII3D tD 125ºC or 135ºC, with dust Ignition Proof motor.
• Ambient temperature up to 40ºC.