|
Purpose:
Double shell and tube heat exchangers are designed for heating, cooling, condensation of fluid and gas media in technological processes of oil-refining, chemical, petrochemical and gas industries according to GOST, ASME, TEMA standards. |
|
|
Technical specifications
|
|
|
Shell diameter, mm
|
450-1100
|
|
Pressure, kgf/cm2
|
from 50
|
|
Length of heat exchanging tubes, mm
|
3000 - 6000
|
|
Grades of heat exchanging tubes, mm
|
19х2,11; 20х2; 25х2,5; 25х 2,77
|
| Heat exchange surface, m2 | 75-355 |
|
Materials
|
|
|
Made of ASME materials
|
Made of GOST materials
|
|
Shell – low-alloy steel SA 516 Gr70
|
Shell – low-alloy steel 16GS, 09G2S |
|
Heat exchanging tubes – carbon steel according to SA 179
|
Heat exchanging tubes – steel 10, 20
|
|
Tube sheets – forging SA 350LF2
|
Tube sheets – forging IV gr. GOST8779 made of steel 09G2S; plate from steel 16GS; 09G2S
|