Large Diameter Low Speed Fans
Hvls fans move slowly and distribute large amounts of air at low rotational speed hence the name high volume low speed these fans have very low revolutions per.
Large diameter low speed fans. High volume low speed hvls fans can reduce energy costs in manufacturing reduce overall heat in facilities and reduce heat related injuries and prevent damage to equipment from humidity and condensation. Direct drive permanent magnet motor. Many additional benefits of installing high volume low speed fans for large rooms and high ceilings include. According to a study at waseda university in tokyo for every degree rise in temperature above 77ºf productivity drops by 2.
14 24 feet in diameter. A high volume low speed hvls fan is a type of mechanical fan greater than 7 feet 2 1 m in diameter. 50 000 operating hours standard electrical parts warranty. This means that at 90 ºf the productivity in your warehouse is down by 12 6 just from the temperature alone.
For this reason osha recommends solutions that address. Originally designed for large spaces such as barns. Hvls fans are generally ceiling fans although some are pole mounted. Frequently asked questions for large diameter high velocity low speed hvls industrial grade overhead fans for a wide variety of facility types faq part 1 of 2.
A high volume low speed hvls fan is a type of mechanical fan greater than 7 feet 2 1 m in diameter. Quiet and efficient operation. The largest 24 ft fans consume less power than an average hairdryer. 1 25 2 3 horsepower equivalent.
Lifetime mechanical parts warranty. Unlike a small high velocity fan that creates small turbulent air streams that quickly disperse an hvls fan relies on size not speed to move a significant amount of air. Hvls fans move slowly and distribute large amounts of air at low rotational speed hence the name high volume low speed. High volume low speed ceiling fans circulate the air in your facility efficiently and effectively to create year round comfort.
Figures 1 and 2 show the difference in vertical temperature in a semi insulated hangar in frankfort ky with large diameter low speed fans off for a week and on for a week respectively. Technically an hvls high volume low speed fan is a ceiling fan greater than 7 feet 2 1 meters in diameter. Hvls fans are generally ceiling fans although some are pole mounted.