Air-cooled heat exchangers of horizontal type 2АВГ are designed for cooling and condensation of gaseous, vapor and liquid media in the technological processes of oil refining, petrochemical, chemical, gas and related industries. The vessel consists of three horizontally arranged tubebays made up of finned bimetallic tubes. The bays are mounted on a metal structure. The driver of the fan impeller is placed on a separate frame.

Air-cooled heat exchangers of horizontal type 2АВГ are designed for cooling and condensation of gaseous, vapor and liquid media in the technological processes of oil refining, petrochemical, chemical, gas and related industries. The vessel consists of three horizontally arranged tubebays made up of finned bimetallic tubes. The bays are mounted on a metal structure. The driver of the fan impeller is placed on a separate frame.

Specification

Parameters

Values

Heat exchanging area:

from 875 to 6400 m²

Nominal pressure:

0,6; 1,6; 2,5; 4,0; 6,3 МПа (6, 16, 25, 40 и 63 кг/см2)

No of bays per vessel:

3 pcs.

Fan impeller diameter:

2,8 m

No of fan impellers per vessel:

- if the length of heat-exchanging tubes is 4 m – 1 pc.

- if the length of heat-exchanging tubes is 8 m – 2 pcs.

No of fan impeller revolutions:

428,6 rev/min

Slow-speed motor type:

22; 30; 37 kW

Tube finned surface factor (nominal):

9; 14,6; 20

No of tube rows per bay:

4; 6; 8

No of tube passes per bay:

- if the number of tube rows per bay is 4 – 1; 2; 4

- if the number of tube rows per bay is 6 – 1; 2; 3; 6

- if the number of tube rows per bay is 8 – 1; 2; 4; 8

Tube length:

4; 8 m

Bay material:

Б1; Б2; Б2.1; Б3; Б4; Б5

Tube bay type:

covering

Remark: material of inner tubes depends on the main material. Б1 – steel 10, 20; Б2, Б2.1 – 15Х5М or Х8; БЗ – 12Х18Н10Т, 08Х18Н10Т, 08Х22Н6Т; Б4- steel 10Х17Н13М2Т; Б5 – ЛАМШ77-2-0,05.

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