Air coolers
AVO Modular air coolers for natural gas AVGB-83 (100)
Modular air coolers (AVO) AVGB-83 (100) are designed for cooling natural gas at gas main compressor stations. Air coolers (АВО) are manufactured for design pressure 75 kgf/cm2, 83 kgf/cm2, 100 kgf/cm2. Air coolers may be single or interlocking.
AVO are intended for operation in macroclimatic regions with mean temperature of air during the coldest five-day week not below minus 55ºC, seismicity up to magnitude 7 (SNiP II-7) and wind velocity head meeting the requirements of geographical region IV (SNiP 2.01.07).
On the Customer’s request the air coolers may be equipped with:
- gas supply and withdrawal system(one set for the vessel);
- air recirculation system (one set for the vessel);
- mobile service platforms (2 pieces for compressor station);
- electric motor automatic control system.
Technical characteristics of air cooler:
|
Heat-exchange surface, m2 |
10500 |
|
Number of heat exchanging modules |
2 |
|
Finned surface factor |
20 |
|
Length of finned tubes, m |
12 |
|
Number of tube rows |
6 |
|
Number of passes in tube space |
1 |
|
Design pressure, MPa |
7,5; 8,3; or 10,0 |
|
Fan wheel diameter, mm |
2500 |
|
Number of fans in air cooler, pc. |
6 |
|
Low-speed electric drives VASО7-13-12 for fans |
|
|
- implosion protection |
1ExdIIBT4 |
|
- installed drive power, kW |
13 |
|
Air cooler material |
Carbon steel; low alloy steel |