Pancake Coils

Product Overview

Our Pancake Coils (referred to as LWC, Short for "Low Weight Coils") are high-performance coiled tubing solutions engineered through precision bending, coiling, and shaping processes—using premium base materials such as copper, aluminum, or stainless steel (customizable per application needs). Designed to maximize heat transfer efficiency while minimizing space occupancy, these coils feature a compact "pancake-like" spiral structure that optimizes surface area contact with fluids or air. Unlike traditional straight tubing, our Pancake Coils eliminate the need for complex piping layouts, making them ideal for scenarios where space is limited (e.g., HVAC units, refrigeration systems, industrial heat exchangers). With full customization support for dimensions, materials, and end connections, we deliver tailored LWC solutions to meet diverse industrial and commercial demands.

Core Features & Advantages

• Superior Heat Transfer Efficiency: The spiral "pancake" structure increases the effective heat transfer surface area by 30%+ compared to straight tubing of the same length, enabling faster heat exchange between the coil and the surrounding medium (liquid or gas). This efficiency reduces energy consumption for heating/cooling systems, lowering operational costs for end-users.
• Space-Saving Compact Design: The coiled structure condenses long tubing into a small footprint—typically occupying 50% less space than equivalent straight piping. This makes our Pancake Coils perfect for compact equipment (e.g., household refrigerators, automotive AC systems) and installations with limited layout space (e.g., industrial control cabinets).
• Full Customization Capabilities: We offer extensive customization to match specific project requirements, including:
  • Dimensions: Coil outer diameter (100mm - 1500mm), tube inner/outer diameter (6mm - 50mm), coil height (20mm - 300mm), and total tubing length (5m - 500m).
  • Materials: Copper (for high conductivity), aluminum (for lightweight needs), stainless steel (for corrosion resistance in harsh media), or other alloy options.
  • End Connections: Threaded fittings, flanges, quick-connect couplings, or custom joints—compatible with standard industry interfaces.
• Enhanced Mechanical Stability: Precision coiling and annealing processes ensure uniform spiral spacing (tolerance ±1mm) and consistent tube wall thickness, preventing deformation under pressure or temperature fluctuations. The coils maintain structural integrity even in high-vibration environments (e.g., automotive, marine applications).
• Corrosion & Wear Resistance: Depending on the base material, our Pancake Coils offer tailored durability—copper coils resist atmospheric oxidation, stainless steel coils withstand acidic/alkaline fluids, and aluminum coils feature anti-corrosion coatings (optional). This extends service life to 10+ years in standard operating conditions.
• Easy Installation & Maintenance: The compact, pre-formed structure eliminates on-site bending or welding, reducing installation time by 40%+. Smooth inner tube walls minimize fluid fouling, while the accessible spiral design simplifies inspection and cleaning—lowering maintenance efforts.

Technical Specifications

Typical Applications

Our Pancake Coils (LWC) are widely used across industries where efficiency, space-saving, and customization are critical:

• HVAC & Refrigeration: Evaporator coils in air conditioners, condenser coils in refrigerators/freezers, and heat exchanger coils in central heating systems—leveraging high heat transfer efficiency.
• Industrial Heat Exchangers: Process cooling coils in chemical plants, oil cooling coils in machinery, and steam heating coils in food processing facilities—withstanding high pressure and harsh media.
• Automotive & Transportation: AC condenser coils in cars/trucks, coolant coils in electric vehicle (EV) batteries, and fuel cooling coils in heavy-duty vehicles—adapting to compact engine bays.
• Household & Commercial Appliances: Water heater coils, wine cooler cooling coils, and air purifier heat recovery coils—fitting into small appliance enclosures.
• Renewable Energy: Solar water heater heat absorption coils, geothermal heat pump exchange coils, and battery thermal management coils for energy storage systems—supporting green energy applications.

Quality Assurance

Our Pancake Coils (LWC) are produced in ISO 9001-certified facilities, with a strict quality management system covering raw material testing (material purity, mechanical properties), precision coiling (spiral uniformity, dimensional accuracy), and final inspection. Each batch undergoes comprehensive testing, including:

• Dimensional testing (laser measurement for coil diameter, tube thickness, and spiral spacing);
• Pressure resistance testing (hydrostatic testing up to 1.5x rated pressure);
• Heat transfer efficiency testing (thermal performance analysis in simulated operating conditions);
• Corrosion resistance testing (salt spray chambers for coated/material durability);
• Leakage testing (helium leak detection for airtightness, critical for refrigeration applications).

We provide full technical support, including pre-sales consultation (material selection, dimension optimization) and after-sales services (installation guidance, maintenance recommendations). Custom design drawings and technical data sheets (TDS) are available for all orders to ensure seamless integration into your systems.

For inquiries about product samples, custom coil designs, technical specifications, or pricing, please contact our sales team. We are committed to delivering high-quality Pancake Coils (LWC) that meet your efficiency and space-saving needs, supporting the success of your projects.