Roof Exhausters - Belt Drive - RTA Series

  • TEFC, ball bearing motor is out of air stream and is accessible from the roof, maximum ambient temperature of 40º C (104º F).
  • Galvanized steel wind-band and rain-proof butterfly dampers.
  • Cast iron pillow block bearings (out of air stream), complete with external grease fittings.
  • Cast aluminum blades on 12” to 48” sizes.
  • Polypropylene blades reinforced with fiberglass on 54” to 60” sizes.
  • Heavy duty pulleys and belts out of air stream

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Belt drive, heavy duty construction ideal for industrial & commercial applications.

RTA model suitable for use in clean, dry air with a maximum ambient temperature of 93º C (200º F).
RWTA models are suitable for use in moisture laden air with a maximum ambient temperature of 93º C (200º F).
RTWA models feature a Teflon shaft seal, poly housing bearings and stainless steel insert.

To order RWTA models, replace “RTA” with “RWTA” in the table below.

RTA series specifications

For three phase motors, substitute “*” with “M” for 230/460 volt (If 208V required please specify) or “P” for 575 volt 
BHP does not include drive losses
dBA ratings shown are measured at 0” static pressure and should be used as a guideline only

RTA Series Dimensions

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