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Hazardous Location RVI Cabinet Supply Fan 48 inch 21500 CFM 230/460 Volt 3 Phase RVI4816HL-X


The highest quality, most complete line of heavy-duty fans available, HeatBuster fans are belt driven, rugged, low-cost air movers. They are used to spot cool assembly lines, machine shops, bakeries, loading docks, laundries, gymnasiums, auto repair facilities, warehouse, or anywhere a high volume of air movement is required.

The “HBD” employs the same great design of the HeatBuster while adding a cradle mount, allowing for precise, directional, cooling of people, products or equipment

Hazardous location models are made to order and are non-returnable.


Motor: Single Speed, Div. 1, Class 1, Group D & Class II, Groups F & G

Stationary motor mount

No wiring or switch

Guards: OSHA Compliant, Spiral Wound

4 blades

Automatic belt tensioner

Belt drive

Non-sparking aluminum Blades

No Wiring

Non-Sparking Aluminum Blades

Stationary Motor Mounts

Belt Drive: Single Speed, DIV. I, CLASS I, GROUP D & CLASS II, GROUPS F & G

Triangle’s “RVI” Series Belt Drive Heavy Duty Industrial Supply Fans are designed to meet the supply airflow needs of factories, warehouses, gymnasiums, greenhouses, etc. The “RVI” Series Heavy Duty Industrial belt drive supply fans come standard with a polyester powder coated venturi to improve airflow and protect against corrosion as well as a heavy-gauge galvanized housing for corrosion resistance. 





Triangle’s Exclusive X-Wing Belt Tensioner

All standard “RVI” models up to 1 ½ HP come equipped with Triangle’s exclusive “X-Wing” Belt Tensioner which reduces maintenance and extends belt and motor life.

Dimensional Data:

A: 52-3/4"
B: 52-3/4"
C: 30"


  • Model No.: RVI4816HL-X
  • Voltage:230 / 460
  • Warehouse:Arkansas
  • Made In U.S.A.:Yes
  • Type:Explosion Proof
  • Blade Material:Aluminum
  • Blade Size (Inches):48
  • No. of Blades:4
  • CFM High:21500
  • Dimension Inches:Width: 52-3/4" Depth: 30" Height: 52-3/4"
  • Hertz:60
  • Drive Type:Belt
  • Horsepower:1 ½
  • Limited Warranty:1 Year Limited
  • Motor Type:Explosion Proof
  • Phase:3
  • Speed(s):1
  • Weight lbs.:210

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