The A20 A/C Hose (Type C) is a high-performance automotive refrigerant conduit engineered specifically for the rigorous demands of modern vehicle air conditioning systems. Designed for cars, trucks, and diverse commercial vehicles, this hose ensures optimal thermal management and refrigerant flow, maintaining peak cooling efficiency even under extreme operational stress.
Built with advanced rubber compounds, the A20 series excels in low permeability and high pulse resistance, preventing refrigerant loss and ensuring system longevity. Whether you are looking for OEM replacements or custom ODM solutions, our Type C hose provides the perfect balance of flexibility, durability, and precision engineering to meet global automotive standards.
Detailed Parameters
| Compatible Refrigerants | R134a, R404a, R1234yf | Standard Sizes (ID x OD) | 5/16" (8.219.0mm) to 5/8" (16.028.6mm) |
|---|---|---|---|
| Max Working Pressure | Up to 3.5 Mpa (508 Psi) | Min Burst Pressure | Up to 55 Mpa (8000 Psi) range |
| Permeation Rate | 1.9 kg/㎡/year | Tolerance (ID/OD) | ±0.3mm / ±0.5mm |
| Bend Radius | Up to 85mm (Depending on size) | Wall Thickness | 3.5mm to 6.3mm |
| Material Grade | Automotive Grade Rubber | Pressure Rating | High-Pressure Pulse Resistant |
Key Advantages
Low Permeability
Engineered to minimize refrigerant leakage, ensuring the A/C system maintains optimal pressure and cooling performance over time.
Aging Resistance
High-grade rubber compounds prevent degradation from heat and time, significantly extending the service life of the hose.
Pulse Resistance
Capable of withstanding rapid pressure fluctuations and mechanical shocks common in automotive environments.
Ozone Resistance
Specially treated to resist ozone cracking, ensuring the hose remains flexible and leak-proof in outdoor conditions.
Precision Fitting
Strict adherence to I.D. and O.D. tolerances (±0.3/0.5mm) for a perfect, leak-free seal with all fittings.
Multi-Refrigerant Support
Fully compatible with industry-standard refrigerants including R134a, R404a, and the newer R1234yf.
Product Gallery
Management Platforms
OEM/ODM Service
Custom design and development based on your specific blueprints and performance requirements.
Expert Engineering
Technical leadership from former Goodyear and Parker engineers with 15+ years of experience.
R&D Innovation
Continuous development of new materials and processes with top Chinese research institutions.
Testing Capability
Comprehensive in-house testing and experimental performance reporting for every product batch.
Flexible Packaging
Available in PVC film, woven bags, pallets, cartons, or spools to suit your logistics needs.
Quality Control
Top 3 Manufacturer status in China ensuring rigorous quality audits and consistent output.
Investment Return Comparison
| Feature | Standard Rubber Hose | KEMO A20 Series | Benefit |
|---|---|---|---|
| Permeability | High Leakage | Ultra-Low Permeability | Reduced Gas Refills |
| Service Life | 2-3 Years | 5-8 Years | Lower Maintenance Cost |
| Pressure Stability | Moderate | High Pulse Resistance | Prevent Bursting |
| Environmental Resistance | Prone to Cracking | Anti-Ozone/Aging | Consistent Performance |
| Customization | Limited | Full OEM/ODM Support | Perfect System Fit |
Frequently Asked Questions
The A20 hose is specifically designed for compatibility with R134a, R404a, and the environmentally friendly R1234yf refrigerants.
Low permeability prevents the refrigerant gas from escaping through the hose walls, maintaining system pressure and ensuring the air conditioning cools efficiently.
Yes, we offer comprehensive OEM and ODM services, including custom design, development, and testing to meet specific client requirements.
Thanks to its aging-resistance and ozone-resistance properties, the hose maintains flexibility and strength despite extreme heat or cold.
We provide several options: transparent PVC film, color woven bags (Blue/White/Green/Yellow), pallets, cartons, and spool packing.
We can provide detailed performance testing reports, including burst pressure, permeability, and pulse resistance tests, upon customer request.
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