YUHONG Stacked Shell-and-Tube Heat Exchanger designed for LPG (Liquefied Petroleum Gas) Units and Boiler Systems. Compliant with international standards (ASME, TEMA) for reliable heat transfer in high-pressure, corrosive hydrocarbon environments.
Technical specifications (Pressure Space)
|
Parameter
|
Shell Side
|
Tube Side
|
|---|---|---|
|
Max. Allowable Working Pressure (G)
|
25 kgf/cm² (2.45 MPa) at 275°C
|
37.5 kgf/cm² (3.67 MPa) at 225°C
|
|
Operating Pressure (G)
|
4.9 kgf/cm² (0.47 MPa) at 247°C
|
24.6 kgf/cm² (2.4 MPa) at 199°C
|
|
Design Pressure (G)
|
25 kgf/cm² (2.45 MPa)
|
37.5 kgf/cm² (3.67 MPa)
|
|
Design Temperature
|
275°C
|
225°C
|
|
Min. Design Metal Temperature
|
+1°C
|
+1°C
|
|
Hydrostatic Test Pressure (Horizontal)
|
33.96 kgf/cm² (3.33 MPa)
|
48.74 kgf/cm² (4.78 MPa)
|
|
Pneumatic Test Pressure (Collars)
|
0.6 kgf/cm² (0.06 MPa)
|
0.6 kgf/cm² (0.06 MPa)
|
|
Min. Pressure Test Metal Temperature
|
5°C
|
5°C
|
|
Fluid Name
|
Light Gas Oil
|
Desalted Crude Oil
|
|
Toxicity
|
No/NE
|
No/NE
|
|
Flammable
|
Yes/ANO
|
Yes/ANO
|
|
Explosive
|
Yes/ANO
|
Yes/ANO
|
|
Corrosion Allowance
|
3 mm
|
3 mm
|
|
Volume of Pressure Space
|
3.217 m³
|
1.973 m³
|
Painting System
|
Description
|
Surface Preparation
|
Primer Coat
|
|---|---|---|
|
Outside surface of shell side (including nozzles) – Paint System 3
|
Sa 2 1/2 (ISO 8501-1)
|
INTERZINC 22: 1 × 75 μm, 1 × 25 m²
|
|
Outside surface of saddles – Paint System 1
|
Sa 2 1/2 (ISO 8501-1)
|
INTERCURE 200: 1 × 100 μm, 1 × 8 m²
|
Material & Application
Welding:
