Place of Origin:
China
Brand Name:
YUHONG
Certification:
ASME , U STAMP , PED, API , ABS, LR, DNV, GL , BV, KR, TS, CCS
Model Number:
ASME Heat Exchangers
ASME Heat Exchangers for Diolefin Reactor Feed Service in Hydrotreating Unit
YUHONG provides ASME-certified #heatexchangers specifically engineered for diolefin reactor feed service in hydrotreating units. Our robust shell-and-tube designs ensure reliable operation under severe refinery conditions, helping #Brazilianclients like Petrobras enhance process stability and efficiency while meeting stringent safety standards.
Key specifications for heat exchangers
Material certification: Material with EN 10204 Type 3.2 Certificate
Design Codes & Standards: ASME VIII Div.1-2004 Ed. + 2006 Addenda, TEMA "R", API 660
Shell side:51kgf/cm²(g), 400°C
Post Weld Heat Treatment (P.W.H.T.): YES
Corrosion Allowance (mm): 3mm
Main parts list of ASME Heat Exchangers
| ITEM | NAME | SPEC. | MATERIAL/STANDARD |
| 1 | LIFTING LUG | PLATE 200 x 25 THK x 350 LG. | SA 387 Gr.11 Cl.2 |
| 2 | RIVETS | Ø8 DIA. | STAINLESS STEEL |
| 3 | NAME PLATE SUPP. | FROM PLATE 5 THK AS DWG. | SA 387 Gr.11 Cl.2 |
| 4 | NAME PLATE | SEE SHEET 4 of 5 | SA 240-304 |
| 5 | PASS PARTITION | FROM 13 THK PLATE AS DWG. | - |
| 6 | PULLING EYE BOLT | 7/8"-UNC | - |
| 7 | PLUG | 7/8"-UNC | - |
| 8 | LIFTING EYE BOLT | 1.1/2"-8UN | - |
| 9 | PLUG | 1.1/2"-8UN | - |
| 10 | MAIN GASKET | O.D. 1097 / I.D. 1067 x 3 THK | SA 387 Gr.11 Cl.2 |
| 11 | MAIN GASKET | O.D. 1097 / I.D. 1067 x 3 THK | SA 194 Gr.4 |
| 12 | HEX. NUT | 1.5/8"-8UN (H=D) | SA 193 Gr.B16 |
| 13 | STUD BOLT | 1.5/8"-8UN L=690 | - |
| 14 | TUBESHEET | O.D. 1115 x 155 THK | SA 336 Gr.F11 Cl.2 |
| 15 | CHANNEL FLANGE | O.D. 1350 / I.D. 1067 x 236 THK | SA 336 Gr.F11 Cl.2 |
| 16 | SHELL FLANGE | O.D. 1350 / I.D. 1067 x 235 THK | SA 336 Gr.F11 Cl.2 |
| 17 | ELL. HEAD 2:1 | I.D. 1067 x 27 THK M.A.F. | SA 387 Gr.11 Cl.2 |
| 18 | ELL. HEAD 2:1 | I.D. 1067 x 22 THK M.A.F. | SA 387 Gr.11 Cl.2 |
| 19 | CHANNEL COURSE | I.D. 1067 x 28 THK L=650 | SA 387 Gr.11 Cl.2 |
| 20 | SHELL COURSE | I.D. 1067 x 22 THK L=2200 | SA 387 Gr.11 Cl.2 |
| 21 | SHELL COURSE | I.D. 1067 x 22 THK L=2200 | SA 387 Gr.11 Cl.2 |
Application except Hydrotreating Unit
Catalytic Reforming Unit
Crude Distillation Unit (CDU)
Fluid Catalytic Cracking (FCC) Unit
Delayed Coking Unit
Steam Methane Reforming (SMR) Unit
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