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Help Center99.9% Copper Spiral Evaporator 12.7mm Tube OD 3.0MPa Working Pressure HVAC Cooling Coil
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Welcome to Anping County Boli Hardware Wiremesh Products Factory, a trusted manufacturer since 1998 with annual export values ranging from US$5 million to US$10 million. Our 99.9% Copper Spiral Evaporator with 12.7mm Tube OD and 3.0MPa Working Pressure is engineered for high-efficiency HVAC cooling systems. Designed with precision, this coil delivers superior heat transfer, durability, and corrosion resistance, meeting the rigorous demands of commercial and industrial refrigeration. With shipments from Tianjin, Qingdao, and Shanghai ports, we serve global markets including North America, Europe, Southeast Asia, and the Middle East.
Our spiral evaporator coil is crafted from pure 99.9% copper, ensuring maximum thermal conductivity and long service life. The 12.7mm outer diameter tube provides optimal refrigerant flow, while the 3.0MPa working pressure rating guarantees reliable operation under high-stress conditions. Whether used in air conditioning units, chillers, or heat pumps, this coil offers consistent performance and energy savings.
Key Features & Benefits
- High Purity Copper: 99.9% pure copper ensures excellent thermal conductivity (approx. 401 W/m·K), reducing energy consumption and improving system efficiency.
- Robust Pressure Rating: Rated for 3.0MPa (435 psi) working pressure, suitable for both R410A and R32 refrigerants without deformation.
- Precision 12.7mm OD: Standard tube diameter widely compatible with existing HVAC components, minimizing installation complexity.
- Spiral Design: Compact helical shape increases surface area per unit volume, enhancing heat exchange and saving space in tight equipment cabinets.
- Corrosion Resistance: Copper naturally resists oxidation and chemical attack, extending coil lifespan in harsh environments.
- Customizable Dimensions: Wall thickness, coil length, and connection type can be tailored to your specific requirements (available upon request).
- Easy Installation: Annealed temper allows easy bending and flaring, reducing labor time during assembly.
Technical Specifications
| Parameter | Value |
|---|---|
| Material | 99.9% Copper (C11000) |
| Tube Outer Diameter | 12.7 mm (1/2 inch) |
| Wall Thickness | 0.8 mm (standard), customizable |
| Working Pressure | 3.0 MPa (435 psi) |
| Burst Pressure | ≥ 12.0 MPa (tested) |
| Coil Shape | Spiral / Helical |
| Temperature Range | -40°C to +150°C |
| Surface Finish | Clean, bright annealed (no oxidation) |
| Connection Type | Flare, sweat, or custom (available) |
| Standard Length | 10m, 20m, or customized |
Why Choose Our Spiral Evaporator Coil?
- Manufacturing Excellence: Over 27 years of experience in metal fabrication and wire mesh products, ensuring consistent quality.
- Global Export Expertise: Annual export value of US$5–10 million, with shipments to 15+ international markets including North America, Europe, and Southeast Asia.
- Customization Flexibility: We offer tailored solutions for wall thickness, coil length, and connection types to match your specific HVAC system requirements.
- Rigorous Quality Control: Each coil undergoes pressure testing and dimensional inspection before packaging to guarantee 100% performance.
- Cost-Effective Pricing: Direct factory pricing eliminates middlemen, providing competitive rates without compromising on material purity.
Our spiral evaporator coils are widely used in:
- Commercial air conditioning units (rooftop, split, VRF)
- Industrial chillers and heat pumps
- Refrigeration display cases and cold storage
- HVAC systems for residential, commercial, and automotive applications
Thanks to the high purity copper and precise spiral winding, the coil achieves a heat transfer coefficient 15–20% higher than standard straight-tube evaporators, contributing to energy savings and reduced carbon footprint. The 3.0MPa working pressure ensures compatibility with modern high-pressure refrigerants, making it a future-proof choice for HVAC professionals.
Trust & Reliability
As a factory established in 1998, Anping County Boli Hardware Wiremesh Products Factory has built a reputation for delivering consistent quality. With annual export values exceeding US$5 million, we serve major markets across North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, the Middle East, and more. Our products are shipped from major Chinese ports (Tianjin, Qingdao, Shanghai) with fast lead times and professional logistics support. We are committed to providing reliable, high-performance HVAC components that meet global standards.
Ready to upgrade your cooling system? Contact us today to request a quote, discuss custom specifications, or place a trial order. Our team is ready to assist you with technical support and after-sales service.
Frequently Asked Questions (FAQ)
1. What is the purity of the copper used?
Our spiral evaporator coils are made from 99.9% pure copper (C11000), ensuring excellent thermal conductivity and corrosion resistance.
2. Can this coil work with R410A or R32 refrigerants?
Yes, the 3.0MPa working pressure (435 psi) exceeds the typical operating pressures of R410A (approx. 2.5 MPa) and R32, making it fully compatible.
3. What tube outer diameter options are available?
The standard is 12.7mm (1/2 inch), but we can customize other diameters (e.g., 9.52mm, 15.88mm) upon request. Minimum order quantity may apply.
4. Do you offer custom coil lengths and wall thicknesses?
Absolutely. We can produce coils with wall thicknesses from 0.5mm to 1.5mm and lengths from 5m to 50m, tailored to your design.
5. Is the coil annealed or hard temper?
Standard product is supplied in annealed (soft) temper for easy bending and flaring. Hard temper is available on request.
6. What is the typical lead time for an order?
For standard sizes, lead time is 15–20 days after confirmation. Custom orders may require 25–30 days. We ship via FOB Tianjin, Qingdao, or Shanghai.
7. Do you provide sample coils for testing?
Yes, sample orders are welcome. We can provide a small coil (e.g., 1m length) for evaluation. Sample cost and shipping will be discussed.
8. How do you ensure quality consistency?
Each batch undergoes raw material inspection (copper purity), dimensional checks, and 100% pressure testing (up to 12.0MPa) before packaging. Our QC team follows strict internal standards.
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