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| Categories | Air Cooler |
|---|---|
| Brand Name: | YUHONG |
| Model Number: | Air Cooler , Fin Tube Air Cooler , Air Cooled Heat Exchanger |
| Certification: | ASME , U STAMP , PED, API , ABS, LR, DNV, GL , BV, KR, TS, CCS |
| Place of Origin: | China |
| MOQ: | 1Set |
| Price: | 1--1000000 USD |
| Payment Terms: | L/C, T/T |
| Supply Ability: | 50SETS/MONTHS |
| Delivery Time: | 45---150 DAYS |
| Packaging Details: | Bundle + Cap , Ply wooden case |
| Air Cooler Heat Exchanger Type: | Forced Draft, Induced Draft |
| Air Cooler Fin Tube: | Carbon Steel : ASTM A179 , ASME SA179 , ASTM A210 A1 , ASME SA210 A1 |
| Air Cooler Fin tybe: | Embedded G Type Fin tube , Extruded Fin Tube |
| Air Cooler Header: | ASTM A105, ASME SA105 , ASTM A266 GR.2, ASME SA266 GR.2N , ASTM A516 GR.60, GR.70, ASME SA516 GR.60, GR.70 |
| Air Cooler Desgin Standrd: | API 661, ASME VIII Div.1 , ISO 13706 |
| Company Info. |
| Yuhong Group Co.,Ltd |
| Verified Supplier |
| View Contact Details |
| Product List |
API 661 Air Cooler Heat Exchanger For Oil Refinery Services
Applies to forced or induced draft air-cooled heat exchangers.
Covers mechanical design, thermal performance, and operational requirements.
Does not apply to:
HVAC systems.
Refrigeration units.
Radiators for internal combustion engines.
Tube Bundles:
Tubes typically in carbon steel, stainless steel, or alloys (e.g., Cu/Ni, Titanium).
Arranged in horizontal, A-frame, or V-frame configurations.
Fans & Drivers:
Electric motors, steam turbines, or hydraulic drives.
Fan diameter ≤ 6.7 m (22 ft) (larger sizes require special consideration).
Headers & Nozzles:
Designed per ASME BPVC Section VIII.
Nozzles must allow for thermal expansion.
Materials & Corrosion Protection
Fin Tubes:
Aluminum fins (most common) or stainless steel for corrosive environments.
Structural Supports:
Carbon steel with protective coatings (galvanizing, epoxy paint).
Corrosion Allowance:
Minimum 1.5 mm (1/16 in) unless specified otherwise.
Design ambient temperature: Typically 38°C (100°F) unless specified.
Heat duty verification: Vendor must guarantee performance.
Hydrostatic Test:
1.5 × design pressure for tubes & headers.
Dimensional checks (tube alignment, fin spacing).
Non-Destructive Testing (NDT):
Radiography (RT) for critical welds.
Dye penetrant (PT) or Magnetic particle (MT) for surface defects.
| Feature | API 661 | ISO 13706 | ASME BPVC |
|---|---|---|---|
| Scope | Refinery ACHEs | General ACHEs | Pressure parts only |
| Design Rules | Detailed mechanical & thermal | Similar to API 661 | Only pressure containment |
| Testing | Hydro, vibration, NDT | Similar | Hydro & NDT |
| Materials | Corrosion-resistant alloys | Similar | Any ASME-approved |
Dye penetrant (PT) or Magnetic particle (MT) for surface defects.
Air Leak Test:e stability.
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