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Help Center304 Stainless Steel Serpentine Evaporator Coil, 1/2 Inch, 1 Year Warranty, Mill Test Report Included
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Founded in 1998, Anping County Boli Hardware Wiremesh Products Factory is a trusted manufacturer specializing in metal fabrication solutions. Our 304 Stainless Steel Serpentine Evaporator Coil, 1/2 Inch is engineered for high-efficiency heat transfer in demanding industrial applications. Crafted from premium 304 stainless steel, this coil offers exceptional corrosion resistance, durability, and reliable performance, backed by a 1-year warranty and a comprehensive Mill Test Report for material traceability.
Whether you need a replacement coil for an existing system or a custom-designed serpentine coil for a new project, our product delivers consistent thermal performance and long service life. The 1/2-inch diameter tubing ensures optimal flow rates while maintaining structural integrity under pressure. Available in various lengths and configurations, it is suitable for evaporators, condensers, heat exchangers, and refrigeration units across multiple industries.
Key Features & Technical Specifications
- Material: 304 Stainless Steel (ASTM A240 / A269 compliant) – excellent resistance to oxidation, chemicals, and moisture.
- Tube Diameter: 1/2 inch (12.7 mm) – ideal for balanced heat transfer and fluid dynamics.
- Serpentine Design: Multiple passes maximize surface area for superior heat exchange efficiency.
- Wall Thickness: Standard 0.035 inch (0.9 mm) – customizable upon request for higher pressure ratings.
- Surface Finish: Bright annealed or pickled – smooth interior reduces fouling and pressure drop.
- Warranty: 1 year against manufacturing defects – peace of mind for your investment.
- Included Documentation: Mill Test Report (MTR) certifies chemical composition and mechanical properties.
- Customization: Length, number of bends, and end fittings can be tailored to your exact specifications.
| Parameter | Value |
|---|---|
| Material Grade | 304 Stainless Steel |
| Tube Outer Diameter | 1/2 inch (12.7 mm) |
| Wall Thickness | 0.035 inch (0.9 mm) – customizable |
| Coil Length | Standard 10 ft (3 m) – other lengths available |
| Maximum Working Pressure | ~300 psi (depending on wall thickness) |
| Temperature Range | -196°C to 800°C (cryogenic to high temp) |
| Packaging | Wooden case or pallet for safe transport |
Advantages & Customer Benefits
- Enhanced Heat Transfer: The serpentine geometry creates efficient turbulence, reducing thermal resistance and improving overall system performance.
- Long-Lasting Durability: 304 stainless steel resists rust, pitting, and stress corrosion cracking, minimizing maintenance and replacement costs.
- Easy Installation: Pre-formed coils can be directly integrated into existing piping layouts, saving time and labor.
- Material Traceability: Each coil comes with a Mill Test Report, ensuring compliance with industry standards and quality control.
- Versatile Applications: Ideal for food processing, chemical plants, HVAC, refrigeration, petrochemical, and pharmaceutical industries.
- Customizable Options: We can adjust tube length, number of bends, and end connections (NPT, flared, etc.) to match your exact requirements.
- Cost-Effective: Direct factory pricing eliminates middlemen, offering competitive rates without compromising quality.
Our serpentine evaporator coils are manufactured using precision bending and welding techniques, ensuring consistent dimensions and leak-free performance. The 1/2-inch diameter is a popular choice for medium-capacity systems, balancing flow rate and heat transfer area. For higher flow or different pressure needs, please contact us for custom solutions.
Frequently Asked Questions (FAQ)
Q1: What is the difference between a serpentine coil and a straight tube coil?
Serpentine coils have multiple bends that increase the heat transfer surface area within a compact space, making them more efficient for evaporators and condensers. Straight tubes are simpler but less efficient for the same footprint.
Q2: Can this coil be used for ammonia or other chemical refrigerants?
304 stainless steel has good resistance to many chemicals, including ammonia, but compatibility depends on temperature and concentration. We recommend consulting our technical team for specific refrigerant compatibility.
Q3: Is the Mill Test Report included for every order?
Yes, a Mill Test Report (MTR) is provided with each coil, detailing the chemical composition and mechanical properties of the 304 stainless steel used.
Q4: What is the typical lead time for custom coils?
Standard coils are usually shipped within 7-15 days. Custom orders may require 15-30 days depending on complexity. We ship from Tianjin, Qingdao, or Shanghai ports.
Q5: Can I get a sample before placing a bulk order?
Yes, we offer samples for evaluation. Sample costs and shipping are negotiable. Please contact us for details.
Q6: How do I ensure the coil fits my existing system?
We provide detailed dimensional drawings upon request. You can also send us your specifications (tube OD, length, bend radius, end fittings) and we will match them.
Q7: What is the warranty coverage?
The 1-year warranty covers manufacturing defects such as leaks, cracks, or material flaws. It does not cover damage from improper installation, misuse, or corrosive environments beyond the material's limits.
Q8: Do you export to North America or Europe?
Yes, our main markets include North America, South America, Europe, Southeast Asia, Africa, Oceania, and the Middle East. We have extensive experience exporting to these regions.
Trusted by clients worldwide since 1998, Anping County Boli Hardware Wiremesh Products Factory has an annual export value of US$5-10 million, demonstrating our reliability and global reach. Our 304 Stainless Steel Serpentine Evaporator Coils are manufactured with strict quality control, and each unit is inspected before shipment. With a 1-year warranty and full material traceability via Mill Test Report, you can confidently specify this coil for your next project. Contact us today for a quote or to discuss your custom requirements!
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