High Performance Type E Four Layer AC Hose China Factory and Suppliers

High Performance Type E Four Layer AC Hose China Factory and Suppliers

Short Description:

Leading China factory and suppliers of Type E Four-Layer AC Hoses. Engineered for R134a, R404a, R12 with PA/NYLON barrier and EPDM cover. Temperature range -40℃ to +135℃, compliant with SAE J2064 and IATF 16949 standards for maximum durability.

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The Type E Four-Layer A/C Hose is a premium-grade automotive solution engineered for high-performance air conditioning systems in cars, trucks, and diverse commercial vehicles. Specifically designed to handle the rigorous demands of modern HVAC systems, this hose ensures optimal refrigerant flow while maintaining structural integrity under extreme thermal and pressure fluctuations.

By utilizing advanced multi-layer construction, KEMO's A/C hoses provide superior protection against permeability and environmental degradation. Whether you are seeking OEM replacements or custom ODM developments, our hoses are compatible with industry-standard refrigerants including R134a, R404a, and R12, ensuring seamless integration and long-term reliability in the field.

Detailed Parameters

Working Pressure3.5 Mpa (508 Psi) Burst PressureUp to 3190 Psi (22 Mpa)
Compatible RefrigerantsR134a, R404a, R12 Permeation Rate1.6 kg/㎡/year
Standard Sizes (I.D)Φ8 / Φ11.2 / Φ13 / Φ15.2 / 3/4" / 7/8" / 1-1/8" Thickness Range3.5mm to 6.3mm
Bend Radius55mm to 85mm (Depending on size) ConstructionType E Four-Layer Structure
Outer Diameter (O.D)15.2mm to 41.0mm Tolerance±0.3mm (I.D) / ±0.5mm (O.D)

Key Advantages

Low Permeability

Advanced four-layer sealing prevents refrigerant leakage, maintaining system efficiency and cooling power.

Aging Resistance

Engineered with high-grade polymers to resist degradation over time, ensuring a longer service life.

Pulse Resistance

Capable of absorbing high-frequency pressure pulses without risking structural failure or fatigue.

Ozone Resistance

Specially formulated to prevent cracking and weathering caused by ozone and UV exposure.

Shock Resistance

Designed to withstand mechanical vibration and external shocks common in automotive environments.

Precision Fit

Strict tolerance control (±0.3mm/±0.5mm) ensures perfect fitment for various vehicle models.

Product Gallery

Management Platforms

OEM & ODM Services

Full-cycle support from initial product design and development to final testing and validation.

Expert Engineering

Technical leadership from former Goodyear and Parker engineers with over 15 years of expertise.

R&D Innovation

Partnerships with top Chinese research institutions to develop new materials and production processes.

Rigorous Testing

In-house testing capabilities to provide comprehensive performance reports as per customer requests.

Flexible Packaging

Options including PVC film, color woven bags, pallets, cartons, and spools for secure transit.

Market Leadership

Recognized as a Top 3 manufacturer in China with extensive domestic and international reach.

Investment Return Comparison

Performance Metric
Standard Rubber HoseKEMO Type E Hose
Leakage RateModerate PermeabilityUltra-Low Permeability
Service LifeStandard LifespanExtended (Aging Resistant)
Pressure StabilityProne to Pulse FatigueHigh Pulse-Resistance
WeatheringSusceptible to OzoneHigh Ozone Resistance
CustomizationLimited Off-the-shelfFull OEM/ODM Support

Frequently Asked Questions

Q: What makes the Type E four-layer A/C hose different from standard hoses?

The Type E hose features a specialized four-layer construction that significantly reduces refrigerant permeation and increases resistance to pulses, ozone, and aging compared to standard rubber hoses.

Q: Which refrigerants are compatible with KEMO Air Conditioning Hoses?

Our A/C hoses are fully compatible with R134a, R404a, and R12 refrigerants, making them suitable for a wide range of vehicle types.

Q: Does KEMO provide customized design services for automotive rubber parts?

Yes, we offer comprehensive OEM and ODM services, including new product design, development, and professional testing reports based on specific customer requirements.

Q: How does KEMO ensure the quality and durability of its rubber products?

We employ engineers from industry leaders like Goodyear and Parker and collaborate with top research institutions to implement advanced materials and rigorous testing protocols.

Q: What packaging options are available for bulk orders of A/C hoses?

We provide multiple packaging solutions including transparent PVC film, color woven bags (Blue/White/Green/Yellow), pallets, cartons, and spools to ensure safe delivery.

Q: Are these hoses suitable for heavy-duty trucks?

Absolutely. The Type E hose is specifically designed for cars, trucks, and other heavy vehicles, offering the high burst pressure and shock resistance required for heavy-duty applications.

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