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– with flexible exhaust pipe
– is a exhaust fan with a size and weight not exceeding 42 kilograms
– has wheels for easy movement
– uses a 4-stroke gasoline engine with a size not less than 4 horsepower as the main engine
– Provides air volume not less than 51,650 cubic meters per hour
– The main machine is working directly with the blades (Direct Drive)
– The cover is made of non-corrosive resin compound
– There is another layer of cover protection to prevent the cover from breaking
– The blades have a diameter of not more than 420 millimeters for convenience and space saving in storage. Made of strong and durable materials (Reinforced composite)
– There is a fan blade cover to prevent danger
– When lifting the handle, the fan will automatically tilt up +10 degrees
– The noise does not exceed 92 decibels at a distance of 3 meters
– There is a smoke exhaust chimney produced specifically for use with smoke exhaust fans with a length of not less than 5 meters
– Can be used continuously for not less than 2 hours
– There is an hour meter
– Additional equipment can be added later, such as a heat reducing steam system, a high expansion foam fire extinguishing system, and a fan bottom angle adjustment at -10 degrees, etc.
– The warranty is not less than 1 year
TEMPEST DD21 Smoke Exhaust Fan
– is a finished product from the United States.
– 100% new, never used before.
– Certified AMCA PPV 240-96 with AMCA certificate.
– It is a smoke exhaust fan that uses power from the engine to drive the fan blades.
– There are 2 wheels for easy moving.
– There is a square handle that can be adjusted up and down with one hand with a lock.
– Fan level adjustment There is a foot pedal that can adjust the fan tilt in 5 levels.
– There is a Kick step to make it more convenient to push the fan. – The engine used to drive the smoke exhaust fan blades is a 4-stroke gasoline engine, 5.5 horsepower = 4.1 kilowatts.
– The fan blades are 21 inches in diameter with protective grilles on both the front and back.
– It can exhaust smoke at a rate of not less than 485 cubic meters per minute (18,025 cubic feet per minute = 510 cubic meters per minute) at 3,425 rpm.
– Total weight 73 lbs (35 kg)
– Can be used continuously for at least 60 minutes
– Air pipe made of anti-static fabric, inner layer made smooth to reduce wind friction, length 25 ft (7.65 m), connects to the fan with hooks on both sides, temperature resistant -20 degrees Fahrenheit -200 degrees Fahrenheit
