duct fan

tubeaxial fan

tubeaxial fan
1. A fan consisting of a propeller or disk-type wheel within a cylinder; may be either belt-driven or connected directly to a motor.
2. A type of axial-flow fan which is similar to a vaneaxial fan but without downstream guide vanes. Lower in efficiency than the vaneaxial fan, but also lower in cost.
References in periodicals archive ?
A duct fan blows across the heating element toward the back of the cabinet, forcing recently heated air down the back duct.
Before installing a duct fan, try to adjust all the duct dampers to get more heat in that room.
The heat removal from the wall just after start-up peaks at 200 W or about 30 W/[m.sup.2] over the 7 [m.sup.2] surface area of the panel with an energy expenditure of 17 W for the duct fan.
Dual duct fan and reheat savings are the same as the VAV savings previously seen in a constant volume reheat system: $17,794/year.
Roof ventilator with sound insulation base, Up to 500 m 3 / h, - 2 pieces of duct fan up to 650 m 3 / h, - 1 piece of multi-split refrigeration system, 3 indoor units, Cooling capacity up to 4.5 kw, - 1 piece monosplit refrigeration system, Cooling capacity up to 1.5 kw, - 1 piece kitchen exhaust hood, Stainless steel, Lxb up to 3.80 x 1.30 m, - 1 piece kitchen extractor hood, Stainless steel, Lxb up to 1.00 x 1.00 m, - approx.
450 m spiral-folded pipe, - manufacture of temporaries for ventilation system parts, - installation of a circulating air cooling unit in an intermediate care room, - installation of a fan box for the kitchen exhaust, - installation of a duct fan with hot water register and control for the kitchen supply, - installation of 2 x kitchen extractor hoods, - installation of approx.
Recessed duct fans are sized to fit either a 4 x 10-in.
While not actually a source of supplemental heat, duct fans are designed to boost the flow of air from the central heating system to areas in a house that are hard to heat or cool.
ALDES offers powerful inline duct fans for use with nonmotorized range hoods to eliminate exhaust fan noise in kitchens by remote mounting (attic or basement) of the fans.
The Nimbus can be used to automatically control nearly any single phase AC fan including equipment cooling fans, ceiling fans, exhaust ventilators, duct fans and blowers.
Contract Awarded for Purchase of Ceiling Duct Fans for Official use of DENR Main Building