In a tubular centrifugal fan the air turns 90 after leaving the wheel.
Twin city ventilation fans.
Energy consumption and noise are often important considerations when selecting a fan for an ahu.
Twin city fan blower s unique wheel design with open back plate patent 5 171 128 allows this turn to be made with a minimum of turbulence loss.
They are available in direct and belt driven models with aluminum or steel propellers.
Plenum fans are designed for general hvac applications where large volumes of clean air are required at low to moderate pressures.
The tfe employs a specially designed non overloading airfoil wheel.
With backward inclined backward curved backward inclined airfoil and forward curved wheel types centrifugal fans offer the flexibility to match the performance and application at the highest.
Fixed or adjustable pitch models are offered to meet a variety of application requirements.
Plenum fans and dwdi fans are commonly found in these units but are not used exclusively.
Twin city fan is an industry leading designer and manufacturer of high quality custom semi custom and standard fans ranging from heavy duty industrial process fans to oem fans to a comprehensive line of commercial supply and exhaust fans for the hvac plan and spec market.
To accommodate the various applications these units are used for twin city fan offers the most diverse and efficient fans in the industry to meet the need of any air handling unit.
Backward inclined airfoil wheels provide high efficiency performance and sound characteristics needed for the most stringent hvac applications.
Propeller wall fans are designed for cost effective general ventilation.
A manufacturer of industrial and commercial centrifugal and axial fans blowers air moving equipment exhausters and ventilators.