YUHONG HOLDING GROUP CO., LTD
| channel shell | ASME SA516 Gr. 70 |
| Delivery Time | 20-80 days |
| flange | ASTM A105 |
| Payment Terms | T/T,L/C,D/A |
| supports | ASTM A516 GR.70 |
| tubesheet | ASTM A516 GR.70 |
| nozzles | ASME SA234 WPB |
| Supply Ability | 60 SETS/MONTH |
| shell | ASME SA516 Gr. 70 |
| channel | A105/A105N |
| Packaging Details | Ply-wooden Case /Iron Case/ Bundle with plastic Cap etc. |
| Model Number | AES TYPE |
| Certification | ASME VIII Div. 1, PED/97/23/CE, TEMA R, TEMA C, TEMA B |
| Brand Name | YUHONG |
| Place of Origin | CHINA |
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Product Specification
| channel shell | ASME SA516 Gr. 70 | Delivery Time | 20-80 days |
| flange | ASTM A105 | Payment Terms | T/T,L/C,D/A |
| supports | ASTM A516 GR.70 | tubesheet | ASTM A516 GR.70 |
| nozzles | ASME SA234 WPB | Supply Ability | 60 SETS/MONTH |
| shell | ASME SA516 Gr. 70 | channel | A105/A105N |
| Packaging Details | Ply-wooden Case /Iron Case/ Bundle with plastic Cap etc. | Model Number | AES TYPE |
| Certification | ASME VIII Div. 1, PED/97/23/CE, TEMA R, TEMA C, TEMA B | Brand Name | YUHONG |
| Place of Origin | CHINA | ||
| High Light | ASME certified shell and tube heat exchanger ，stacked type heat exchanger for crude oil ，TEMA heat exchanger with ASME certification | ||
ASME U Stamp Shell and Tube Heat Exchanger Stacked U Tube Bundle for Crude Desalting
The Desalt Crude Oil - ATM Res Exchanger is a high-performance, industrial-grade stacked shell and tube heat exchanger specifically engineered for refinery atmospheric distillation units (ADU) and crude oil desalting preheating trains. Modern refinery plants continuously face the challenge of expanding heat transfer surfaces within highly confined spatial footprints. By utilizing an advanced vertical stacked design, this configuration delivers double the required thermal efficiency without occupying additional refinery ground space.
Technical Specifications & Standard Applications
Primary Applications: Crude Oil Desalting Preheating, Atmospheric Distillation Unit (ADU)
Design Standards: Engineered and stamped according to ASME Section VIII, Div. 1 and TEMA Class R standards
Equipment Tag: Desalt Crude Oil - ATM Res Exchanger
Drawing Reference Scale: 1:20 standard engineering metadata.
Allowable Loading of Nozzles
| Nozzle Mark | Function Description | Allowable Radial Force (FR) | Allowable Bending Moment (MB) | Allowable Torsional Moment (MT) |
| N1 | Crude Oil Inlet | Standard ASME Limit | Standard ASME Limit | Standard ASME Limit |
| N2 | Crude Oil Outlet | Standard ASME Limit | Standard ASME Limit | Standard ASME Limit |
| N3 / N15 | Desalter Return / Interconnecting | Managed via Stack | Managed via Stack | Managed via Stack |
| N4 / N16 | Process Vent / Drain Connections | High Stiffness Limit | High Stiffness Limit | High Stiffness Limit |
| N5 / N14 | Instrument / Pressure Gauge | High Stiffness Limit | High Stiffness Limit | High Stiffness Limit |
| N6 / N13 | Auxiliary Utility Connections | Standard ASME Limit | Standard ASME Limit | Standard ASME Limit |
| N19 / N20 | Inter-stage Overflow / Bypass | Optimized Shear Limit | Optimized Shear Limit | Optimized Shear Limit |
Advanced Stress Relief Mechanisms
Sliding Saddles: the upper unit is mounted using heavy-duty sliding saddles equipped with low-friction PTFE or graphite slide plates. This permits longitudinal movement, relieving axial stress on the shells.
Flange Edge Optimization
Nozzle Load Mitigation
Post-Weld Heat Treatment
Stress Elimination: Full furnace Post-Weld Heat Treatment (PWHT) is executed on the completely welded shell assemblies and channel heads.
Hardness Control: PWHT reduces residual stresses induced by heavy welding processes, controls heat-affected zone (HAZ) hardness, and significantly eliminates the risk of Sulfide Stress Cracking (SSC) and caustic embrittlement commonly encountered in crude desalter mediums.
Company Details
Business Type:
Manufacturer,Exporter,Trading Company,Seller
Year Established:
1990
Total Annual:
50M-75M
Employee Number:
50~850
Ecer Certification：
Verified Supplier
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