Coil Heat Exchangers
High-Efficiency Custom Finned Copper & Aluminum Coils
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Technical Overview
Our Coil Heat Exchangers (Finned Coils) are designed for optimal thermal performance in HVAC, refrigeration, aerospace, and heavy industrial applications. Engineered and manufactured by PAL ENGINEERS, these coils feature high-efficiency heat transfer surfaces, robust copper or aluminum fin configurations, and durable tube wall structures customized to your precise technical requirements. We offer multiple designs including slab condensers, vertical finned coils, and large industrial bundles.
As part of our coil product line, we engineer premium Air Cooled Radiator Heat Exchangers. A radiator is a specific type of heat exchanger designed to transfer thermal energy from one medium to another for the purpose of cooling or heating. It works by circulating a hot fluid (liquid or gas) through a series of tubes and fins, allowing the heat to radiate into the surrounding air.
For high-performance systems with limited space, we manufacture the Multi-Pass Coil Heat Exchanger with Multi Pass Variant. This setup forces the working fluid to flow back and forth through a series of tubes multiple times before exiting, yielding superior heat transfer efficiency within a compact footprint.
Engineering Specifications
| Tube Diameters | 5/16", 3/8", 1/2", 5/8" (Smooth or Enhanced wall) |
| Tube Wall Thickness | 0.014" to 0.049" (0.35 mm to 1.25 mm) |
| Fin Thickness | 0.006" to 0.010" (0.15 mm to 0.25 mm) |
| Fin Configurations | Aluminum, Copper, or Coated options for corrosion protection |
| Custom Sizing | From 2" x 4" (aerospace/lab scale) up to 30 feet in length |
| Radiator Design | Custom Air Cooled configurations with heavy-duty tubes and fins |
Key Engineering Features
Advanced Finned Surfaces
Corrugated and pattern-enhanced fins maximize air turbulence and contact area, yielding exceptional thermal efficiency in compact footprints.
Severe Duty AmeriCoat™ Option
Optional dip-coating technology shields the coils against caustic environments and coastal humidity, doubling the service life.
Flexible Tube Circuiting
Custom circuitry designed by PAL ENGINEERS to match specific flow rates and minimize pressure drop, optimizing system performance.