The air radiator is the main device of the heat exchangers using a cold medium and a heat medium for air cooling or heating. It can heat air if fed with high-temperature water, steam or heat transfer oil, or cool air if fed with saltwater, so it is extensively used in the warm-air heating, air-conditioning, cooling, condensing, dehumidifying and drying in fields such as light industry, architecture, chemical industry, machinery, textile, printing and dyeing, electronics, food, pharmaceutical industry, metallurgy, wood, plastics, rubber, etc.
Function
Air heater can be used for the air heating purpose of both steam systems and hot water systems. It is mainly used for the air heating of warm-air heating system, air-conditioning systems, and drying devices. As the main part of air heating devices, it is widely used in the heating and ventilation systems of the large buildings of present industrial and mining enterprises.
The heat medium of the air radiator may be steam, hot water or heat transfer oil. The operating pressure of steam is 0.2 MPa to 1.6MPa; the temperatures of hot water and heat transfer oil are about 70ºC to 150ºC and 160ºC to 300ºC respectively.
Selection principles
Steel standards, thermal treatment states and permissible stress values of the materials of the pressure parts should be subject to requirements of the GB 150. The pressure parts used in inflammable, fatal or toxic operating environments should be made of cast iron.
The common parent tube materials include carbon steel Q235B, 20#, 304, 316, copper tube, etc.
The common fin materials include carbon steel, 304, 316, aluminum, etc.
See Table 1 for the common materials of other parts.
Table 1 Materials
| Parts of the air radiator |
Material |
| Connecting plate |
Carbon steel Q235B, 304, 316 |
| Tube plate |
Carbon steel Q235B, 304, 316 |
| Header tank (header pipe) |
Carbon steel Q235B, 304, 316 |
| Interface |
Carbon steel Q235B, 304, 316 |
Table 2 Gasket Materials
| Material name |
Code |
Applicable temperature |
Applicable place |
| NBR |
N |
-20~110ºC |
Water, non-polar oil, mineral oil, lubricating oil, silicon oil, etc. |
| EPDM |
E |
-20~150ºC |
Steam, water, ozone, polar chemical mediums, alcohol, weak acids, weak bases, salt solutions, etc. |
| Chloroprene rubber |
C |
-40~100ºC |
Ammonia, mineral roil, lubricant, freon, etc. |
| Fluororubber |
F |
0~180ºC |
Inorganic acids, bases, mineral oil, halohydrocarbon and oxidant |
| Silicon rubber |
Q |
-40~200ºC |
Food field, etc. |
Q&A
1. Q: How long can we deliver goods?
A: It would be 15-25 days after payment and drawing sketch confirmed
2. Q: Can your company supply an after-sales warranty?
A: Yes, we can supply 1-year after-sales warranty against B/L date.
3. Q: What payment terms can you accept?
A: We can accept L/C, T/T, etc.
4. Q: Can you accept customized order?
A: Yes, we accept, we have a very professional technical group who can design the special products according to your basic parameter/ data sheet/ drawings or sample.
5. Q: Do you have your own factory or just you are a trading company?
A: We are the direct factory group, one is in Guangzhou City, Guangdong Province, another is in Huanggang City, Hubei Province.
6. Q: Is OEM order acceptable to your company?
A: Yes, OEM is Welcomed.
7. Q: What kind of equipment used for manufacturing process?
A: A series of high-tech equipment used in the process of manufacture, including special hydraulic machine for plate heat exchanger, CNC automatic cutting machine, automatic wheat arc welding machine, automatic plasma welding machine, CNC plate winding machine, shearing machine and etc.
8. Q: What are certificates and soft power used in manufacturing process?
A: Tranp has obtained ISO9001 certification, CE certification, standardized enterprise certification and various utility model patent certificates, with professional engineering and technical personnel engaged in the design of heat exchange equipment, thermal system and environmental recovery system. We will help customers to qualify CE certificates or other foreign certificates in different area all over the word.
9 .Q: What material and standards used for products?
A: All the products are manufactured as per national standards,including TSG21-2016, NB/T47004-2009, GB150.1-4-2011, GB/T151
2014, GB/T14296-2008 and etc.
10.Q: What is quality inspection procedure to maintain product quality?
A: Tranp has provided professional inspection regulation for Final quality controls for all products, to strictly control the quality of products from our warehouse.
About Warranty:
We promise 1 year guarantee, all reasonable relevant cost will be undertaken by us in the first year if our heat exchanger fails to work due to quality problem, only the free repairing operation guide is available in the rest of the 9 years via E-mail /Fax/Phone
Company profile:
){kind=link}