Portable Air Ventilator for Confined Space | Coppus

Dear Pradhan Rakshak,


Portable Air Ventilators for Confined Space

For more than 90 years, Coppus portable ventilators and cooling products have been recognized as leaders in providing reliable ventilation to meet a standard bearer of safety, performance and reliability, worldwide. Coppus do so by priding themselves on meeting the needs of all construction, maintenance, and safety professionals in every industry – especially those within the oil & gas, chemical, petrochemical, mineral mining & refining, paint work, manufacturing, ship-building, aerospace, defense, food & beverage, and pharmaceutical industries.

Applications of Coppus

  • Confined space fresh air supply
  • Fume removal (degassing)
  • Process cooling
  • Equipment cooling
  • Source capture fume exhaust
  • Personnel heat stress relief
  • Air curing and drying of paints and coatings
  • Condenser in thermal power plant


Coppus portable ventilators serve a variety of industries that require a reliable fresh air supply in confined spaces for process cooling, equipment cooling and personnel cooling to increase safety and improve production.

PAINTING AND COATING: Drying and curing, fume exhaust, fresh air supply for comfort and safety
HIGH-HEAT PROCESS STEEL: Process cooling, personnel cooling
ELECTRIC AND GAS UTILITIES: Underground ventilation, equipment cooling, fume exhaust
PAPER: Confined space ventilation, personnel cooling
SHIPBUILDING: Welding fume exhaust, fresh air supply

MARINE: Cargo tank ventilation
OIL REFINING: Equipment cooling, confined space ventilation, personnel cooling
CHEMICAL MANUFACTURE: Fume exhaust and ventilation, personnel cooling
BEVERAGE: Fume exhaust, process cooling
POWER GENERATION: Confined space ventilation, personnel cooling


Most frequent questions and answers

If compressed air is available as your utility, we recommend our RF series ventilators or our Jectair (venturi style) air movers. Pneumatic-drive ventilators are often desirable for hazardous locations. If electric drive is preferred or required, we offer most of our fans and ventilators in explosion-proof models. Explosion-proof units require all electrical connections to be enclosed and moving mechanical pieces to be constructed of material so as not to create sparks. This requires special motors and starters, as well as fan blades and other moving parts to be made of non-sparking materials such as aluminum, stainless steel, fiberglass, or plastic.

Local electrical codes can vary for hazardous location equipment operation, creating a variety of different plug-receptacle configurations. We recommend that either the plug be installed by a local electrician, or the type and part number of the correct plug be submitted to us in writing for factory installation to ensure local code compliance.

A 1.5 HP motor is the largest practical power unit to effectively run on single-phase power. A larger HP motor will generate very large current in-rushes, tripping the electrical protection breaker. Our electrical units have thermal overload protection.

No. The given air volume is the same whether the ventilator is used as an exhauster or blower; however, there is a significant difference in the air velocity at a given distance away from the fan.
For example: One foot (305 mm) away from the suction end of a 12 in (305 mm) fan, the air velocity will drop by 90 percent compared to only a 3 percent drop on the supply side.


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