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 |