Efficient Electric Air Duct Heaters for Optimal Heating Solutions | Hasteco
                     AIR DUCT 
HEATER
W W W . H A S T E C O . C O M
ABOUT US
Started from 1999, Our aspiring team has been focusing on electric 
heating elements technology, As experts in the filed of heating 
elements, Hasteco works widely from Plastic and package industry 
to Medical equipment, HVAC, Aerospace, Chemical, and 
Shipbuilding Industries.
When it comes to heating operations in the plastics industry, 
Hasteco is the largest producer of coil heaters in China. Ever since 
2006 we produce over 163k pcs coil heaters annually, which are 
being used in 36% of hot runner systems in China.
TECHNICAL SPECIFICATION AND 
TOLERANCE
• Rating ： From 0.5kW 2000kW (Max)  in  S ingle or  combinati on
• Design Temperature ： -40 deg C to 600 degrees C
• Element Sheath ： Ss /  A l loy 800 ser ies
• Duct Body ： Ms/ss
• Insulation ： Ceramic  g lass  wool
• Cladding ： SS /  A luminum
• Terminal Enclosure ： Weatherproof or  F lameproof
• Installation :  Horizontal  /  Vert ical
Note :  For  custom design requirements please contact  factory
TYPES OF THE AIR TUBULAR 
HEATER
Air duct heaters come in various types, each with unique characteristics to meet specific heating needs.
FLANGE-TYPE WITH THE ROUND SLIP-IN TYPE 
ELECTRIC HEATER. ADAPTER OPTION ELECTRIC HEATER 
TYPE F TYPE L
AIR DUCT HEATER CONSTRUCTION
The structure of the heater can be viewed from the following 
aspects, which have been explained in detail.
1. Three distinct types of heating elements are available
2. Support Baffle Plate
3. Mounting Flange/Plate
4. Terminal Box
SPECIAL DUCT HEATER
Special air duct heaters are custom-engineered heating solutions 
designed to meet unique application requirements. These heaters 
are versatile and can be configured to accommodate a wide range 
of environments and conditions. The following are two special 
types of products.
SPECIAL DUCT HEATER
High efficiency, up to 95% or more Clean gas, small volume: 
Single power from 2XW-2000KM; Durable, with a service life 
of up to decades; The heating and cooling rate is fast, up to 
10~C/S; Air outlet temperature and flow controllable, frequency 
conversion speed regulation The gas can reach 800″C, and the 
shell temperature seat is only about 50~C There will be no 
temperature control drift, suitable for automatic control.
SPECIAL DUCT HEATER
High efficiency: up to 95% or more;
Clean gas, small size;
Power per unit: 2KW-2000KW;
lt is durable and has a service life of several decades;
The rate of heating and cooling is fast, up to 10 “C / S:
Temperature and flow of air outlet are under control, variable frequency and 
speed can be regulated:
Various types of high-temperature air heaters can be designed according to the 
user’s needs.
THANK YOU
w w w . h a st e c o . c o m