English

Seven-Layer Type C A/C Hose - KEMO Automotive Parts | Low Permeability, Pulse-Resistance

Sep . 01, 2025 12:20 Back to list

Seven-Layer Type C A/C Hose - KEMO Automotive Parts | Low Permeability, Pulse-Resistance


The Seven-Layer Type C A/C Hose is a high-performance automotive component designed for modern vehicle air conditioning systems. Engineered with cutting-edge technology, this hose combines durability, precision, and reliability to meet the rigorous demands of automotive applications. Below, we explore its features, specifications, and the expertise behind its development.

Product Features

The Type C A/C Hose is distinguished by its seven-layer construction, which ensures exceptional performance in demanding environments. Key features include:

  • Low Permeability: Minimizes refrigerant leakage, enhancing system efficiency and environmental safety.
  • Pulse-Resistance: Withstands high-pressure fluctuations common in automotive AC systems.
  • Aging-Resistance: Maintains structural integrity over time, even under extreme temperature conditions.
  • Ozone Resistance: Resists degradation from environmental exposure, extending service life.
  • Shock Resistance: Designed to endure mechanical stress during vehicle operation.

These features make the hose ideal for use with refrigerants such as R134a, R404a, and R1234yf, ensuring compatibility with modern eco-friendly refrigerants.

Technical Specifications

The Type C A/C Hose is available in multiple sizes, each tailored to specific vehicle requirements. Below is the detailed specification table:

Specification Size (mm) I.D (mm) O.D (mm) Thickness (mm) Max Working Pressure (MPa) Max Working Pressure (Psi) Min Burst Pressure (MPa) Min Burst Pressure (Psi) Min Bend Radius (mm) Permeation (kg/m²/year)
5/16 8.219.0 8.2±0.3 19.0±0.5 5.5 3.5 508 21 3045 55 1.9
13/32 10.523.0 10.5±0.3 23.0±0.5 6.2 3.5 508 21 3045 65 1.9
1/2A 13.025.4 13.0±0.3 25.4±0.5 6.2 3.5 508 22 3190 75 1.9
1/2B 13.023.0 13.0±0.3 23.0±0.5 5 3.5 508 22 3190 70 1.9
5/8 16.028.6 16.0±0.3 28.6±0.5 6.3 1.5 218 18 2610 85 1.9

Applications

The Seven-Layer Type C A/C Hose is widely used in automotive air conditioning systems for cars, trucks, and other vehicles. Its robust design ensures reliable performance in diverse conditions, including extreme temperatures ranging from -40°C to +135°C. The hose is constructed with materials such as EPDM (Ethylene Propylene Diene Monomer) for the tube, PA/NYLON as a barrier layer, and PET/PVA for reinforcement, ensuring durability and chemical resistance.

Compliant with international standards such as SAE J2064, SAE J3062, and QC/T664, this product meets the highest quality and safety benchmarks. Additionally, it holds the ISO/TS 16949:2009 certification, underscoring its adherence to automotive industry standards.

Company Background: KEMO Auto Parts Technology Co., Ltd.

As a leading manufacturer in China, HEBEI KEMO AUTO PARTS TECHNOLOGY CO., LTD has over 15 years of experience in the automotive industry. The company has collaborated with renowned research institutions and testing centers to develop innovative products and processes. By integrating expertise from industry leaders like Goodyear and Parker, KEMO ensures its products meet global standards.

KEMO specializes in OEM and ODM services, offering customized solutions for international clients. The company’s commitment to quality is reflected in its rigorous testing procedures and ability to provide comprehensive testing reports as requested by customers.

Packaging Options

KEMO offers versatile packaging solutions to suit different customer needs:

  • Transparent PVC Film Packing: Protects the hose from dust and moisture.
  • Color Woven Bag Packing: Available in blue, white, green, and yellow for easy identification.
  • Pallet Packing: Ideal for bulk shipments and storage.
  • Carton Packing: Secure and cost-effective for smaller orders.
  • Spool Packing: Facilitates easy handling and installation.

These packaging options ensure the product arrives in optimal condition, regardless of the shipping requirements.

Image Gallery

Type C A/C Hose Automotive AC Hard Lines Automotive AC Lines Automotive Air Conditioning Lines

Conclusion

The Seven-Layer Type C A/C Hose exemplifies KEMO’s dedication to innovation and quality in the automotive industry. With its advanced features, compliance with international standards, and robust packaging, this product is a reliable choice for vehicle manufacturers and repair services. For more information, visit KEMO Auto Parts Technology Co., Ltd..

References

NIST (National Institute of Standards and Technology) provides critical standards and guidelines for manufacturing and materials testing. While specific references to this product are not available, the standards cited (e.g., SAE J2064, SAE J3062) align with NIST’s role in advancing measurement science and technology. For further details, visit the official NIST website: https://www.nist.gov.

Share


Next：

Latest news

If you are interested in our products, you can choose to leave your information here, and we will be in touch with you shortly.