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750kw Hot Air Duct Heater

750kw Hot Air Duct Heater

After-sale Service 1.Warranty: one Year 2.In warranty period, If there’s any non-human caused failure or damage, We would replace all for free 3.You can purchase our heater’s any spare parts at a discount price from today on. 4.We supply free technical consultation on the daily operation of the equipment

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XTDQ-FD-400 type new style air duct heater technology data

Depends on our standard design, we also can make the heater as your design, details as follows:


一、    Air Duct Heater

Duct type hot air heater is made of sheath house ( steel alloy, stainless steel ,or other as your design), finned heating elements, inside with thermal insulators for keeping air temperature, wire connect box, thermocouple, inlet hole, outlet hole, temperature controller etc.

Temperature range

2  Low temperature: less than 160 degree Celsius    (insulators thickness: 80mm)

2  Middle temperature : from 160 degree Celsius to 200 degree Celsius (insulators thickness:100mm to 150mm)

2  High temperature: from 200 degree Celsius to 650 degree Celsius (insulators thickness: 300mm)


2  During heating, air max temperature can reach 650 degree Celsius, but the surface temperature of the shelth is just around 50 degree Celsius

2  Heat efficient is more than 95%

2  Temperature raise rate : 10 degree Celsius per second during working

2  The heating elements is made of high temperature alloy with good mechanical character

2  Usage time:standard more than 10 years

2  Clean air, small volume

2  Made as client design

2  After reached the max temperate, the working wattage can reduce to half


二、   Applications

Air Duct Heater mainly used in heating air from room temperature to target temperature, max temperature 850 degree C , Mainly used in Airline, laborary, shipping area, Ordnance Industry, Chemical Industry , Education and so on. Mostly used in automatic temperature control and high flow rate of high temperature joint system and accessories test. Air duct heater has a wide range of usage: any type of gas, and the high temperature air is dry, not conductive, no combustion, no explosion, no chemical corrosion, no pollution, safe and fast heated.


三、Implementation standards


Electric safty GB5959.1-2005,GB5959.4-2005 standard


GB10067.12005Basic technical condition for Electric equipment


GB10067.42005Basic technical condition for air ductheater


Others as  The People's Republic of China’s standard

四、Design parameter


Connect hole

Inlet together with Air Fan

Outlet diameter 600


Inside Dimension







Design temperature

RT600 can set the temperature, can keep a  constant temperature, control the temperature tolerance ≤±5empty constant temperature test)。From room temperature to max temperature is approx 60 min.


Heating method

Using finned stainless steel tubular heating element, total wattage 400kw;

Horizontal type hot air circulation


Temperature keeping

300mm thickness aluminum silicate cotton for temperature keepting


Temperature controller

Using Taiwan microcomputer intelligent digital display temperature controller and SSR solid state relay, the input mode is K type thermocouple



PID  Self setting, automatic constant temperature, automatic timing (equipped with high-precision digital display automatic timer, adjustable 9999 minutes / hour), temperature alarm, power off, over temperature, power leakage, leakage protection, motor overload protection, etc.



AC380V50Hztotal wattage 400kw

五、After-sale Service

1.      Warranty: one Year

2.      In warranty period, If there’s any non-human caused failure or damage, We would replace all for free

3.      You can purchase our heater’s any spare parts at a discount price from today on.

4.      We supply free technical consultation on the daily operation of the equipment

XTDQ-FD-5 5 200*300*300 ø100 370W 300
XTDQ-FD-10 10 300*300*300 ø100 300
XTDQ-FD-15 15 400*300*300 ø150 750W 300
XTDQ-FD-20 20 400*300*400 ø150 300
XTDQ-FD-25 25 400*400*400 ø200 1.5KW 300
XTDQ-FD-30 30 400*400*400 ø200 300
XTDQ-FD-40 40 500*400*400 ø250 2.2KW 300
XTDQ-FD-50 50 600*400*400 ø250 300
XTDQ-FD-60 60 700*400*400 ø250 300
XTDQ-FD-70 70 700*400*500 ø300 3KW 300
XTDQ-FD-80 80 800*400*500 ø300 300
XTDQ-FD-90 90 900*400*500 ø350 5.5KW 300
XTDQ-FD-100 100 1000*400*500 ø350 300
XTDQ-FD-120 120 1000*500*500 ø400 7.5KW 300
XTDQ-FD-140 140 1000*500*500 ø400 300
XTDQ-FD-160 160 1000*700*500 ø400 300
XTDQ-FD-180 180 1000*700*500 ø450 11KW 300
XTDQ-FD-200 200 1000*700*500 ø450 300
XTDQ-FD-250 250 1000*800*800 ø500 15KW 300
XTDQ-FD-300 300 1200*1000*1000 ø500 300
XTDQ-FD-350 350 1200*1000*1000 ø600 18.5KW 300
XTDQ-FD-400 400 1400*1000*1000 ø600 300
XTDQ-FD-450 450 1400*1000*1000 ø700 22KW 300
XTDQ-FD-500 500 1400*1000*1000 ø700 300
XTDQ-FD-600 600 1600*1000*1000 ø800 37KW 300
XTDQ-FD-700 700 1800*1000*1000 ø800 300
XTDQ-FD-800 800 1800*1000*1000 ø800 300
XTDQ-FD-900 900 2000*1000*1000 ø800 300
XTDQ-FD-1000 1000 2400*1000*1000 ø800 300

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