Petrochemical Complex – Typical Project Examples
| Complex / Unit | Typical Scope | Common Piping / Flange Needs |
|---|---|---|
| Ethylene cracker / olefin complex | Pyrolysis, quench, compression, separation, refrigeration | CS, LTCS, SS, alloy; high-temp and cryogenic flanges |
| Aromatics complex | CCR reforming, PX, benzene, toluene, PTA | SS, alloy, high-pressure flanges; ASME B16.5 / B16.47 |
| Polymer plants | PE, PP, PVC, PS, PET | CS, SS, low-temp; valves, fittings, gaskets |
| Methanol / ammonia / urea | Synthesis, CO2 removal, compression, urea reactor | High-pressure, alloy, LTCS; NACE if sour service |
| Chlor-alkali / VCM / EDC | Electrolysis, chlorine handling, EDC/VCM | Corrosion-resistant alloys, lined pipe, special flanges |
| Refinery–petrochemical integration | CDU/VDU, FCC, hydrocracker, reformer, SMR | CS, Cr-Mo, SS, duplex; API / ASTM standards |
| Utilities & offsites | Steam, cooling water, flare, tank farm, WWTP | CS, SS, GRE/GRP if applicable; large-diameter flanges |
| Specialty / fine chemicals | Batch reactors, distillation, dosing systems | SS, duplex, Hastelloy, Inconel, titanium |
Services We Can Provide for Petrochemical Complexes
- Product supply – Flanges, pipe, fittings, valves, gaskets, bolting.
- Material coverage – CS, LTCS, SS, duplex/super duplex, Cr-Mo, Inconel, Monel, Hastelloy, Alloy 20, titanium.
- Standard compliance – ASME B31.3, B16.5, B16.47, ASTM A105/A182/A350/A694/A312/A335/A106/A333, API 5L, API 6D, API 598, NACE MR0175/ISO 15156.
- Technical support – Spec review, material selection, pressure/temperature rating, gasket and bolting recommendations.
- Documentation – MTR EN 10204 3.1/3.2, PMI, NDT, hydrotest, ITP, traceability.
- Fabrication & kitting – Cutting, beveling, welding, spooling, tagging, kitting.
- Coating & protection – 3LPE, FBE, epoxy, galvanizing, painting, preservation.
- Expediting & stock – Ex-stock items, reserved stock, fast-track production, turnaround support.
- Logistics – Export packing, door-to-door delivery, customs support.
- Project coordination – Single point of contact, schedule updates, vendor pre-qualification, after-sales support.