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| Brand Name: | YUHONG |
| Model Number: | Boiler Feed Water |
| MOQ: | 1 Set |
| Price: | 2000 ~ 10M usd |
| Delivery Time: | 45---150 DAYS |
| Payment Terms: | L/C, T/T |
API 661 SA179 Forced Draft Air-Cooled Heat Exchanger for Boiler Feed Water
Forced Draft Type - Designed with tube bundles located on the discharge side of the fan.
| Category | Parameter | Value/Description |
| Design Parameters | Design Temperature | 212°F (Max) / 49°F (Min) |
| Maximum Working Pressure (MWP) | 256 PSIG | |
| Test Pressure | 333 PSIG | |
| Flow Arrangement | Crossflow | |
| Tube Bundle | Number of Tube Rows | 3 |
| Number of Tube Passes | 6 | |
| Tube Dimensions (OD × BWG) | 5/8" OD × 16 BWG | |
| Tubes per Section/Length | 212 tubes / 16 ft | |
| Fin Type | HI-EFF (High Efficiency) | |
| Fin Material | Aluminum (AL) | |
| Turbulators | Accelerators | |
| Material Specifications | Tube Material | SA179 Carbon Steel |
| Nozzle Material | SA350LF2 Alloy Steel | |
| Header Material | SA516-70 Carbon Steel | |
| Plug Material | SA350LF2 Alloy Steel | |
| Structural Details | Header Type | Box-Type |
| Nozzle Rating/Type | 150RF (150 lb. Raised Face Flanges) | |
| Inlet Quantity/Size | 1 inlet / 3" | |
| Outlet Module Quantity/Size | 1 outlet module / 3" | |
| Corrosion Allowance | 0.0625 in | |
| Grooved Tubesheet | Double Grooved (DBL) | |
| Plug Type | Shoulder-Type | |
| Standards & Certifications | ASME Code & National Board | Compliant (YES) |
| CRN (Canadian Registration) | AB/BC/SK | |
| Additional Specifications | API 661 | |
| Controls & Accessories | Louvers | Automatic (AUTO) |
| Protective Screen | Integrated (INT) | |
| PWM (Pulse Width Modulation) | YES | |
| Inspection & NDT | Weld Inspection Requirements | - FX: 100% X-ray of all longitudinal seams, attachments, and nozzle butt welds. |
| - SH: Spot X-ray (1 longitudinal seam & 1 end closure per header). | ||
| - BX: 100% X-ray of all nozzle butt welds. | ||
| - UT: 100% ultrasonic testing (UT) of all header seams, attachments, and nozzle butt welds. | ||
| - H: Hardness testing. |
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