High Performance SAE J188 Refrigeration and Power Steering Hoses China Factory Suppliers

High Performance SAE J188 Refrigeration and Power Steering Hoses China Factory Suppliers

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Leading China factory and suppliers of SAE J188 Refrigeration and Power Steering Hoses. Working Temp: -40℃ to +140℃. Featuring PA/NYLON barrier and EPDM cover. High pressure resistance and chemical stability for automotive and industrial use.

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Our high-performance Refrigeration and Power Steering Hoses are engineered to meet the rigorous demands of modern automotive systems. Specifically designed according to SAE J188 standards, these hoses ensure a secure and efficient transfer of air, oil, and water, maintaining optimal system pressure and performance even in the most challenging operating environments.

Built for versatility and durability, these hoses are ideal for conveying organic solvents from industrial equipment and facilitating power steering assembly functions. With a specialized focus on low-temperature flexibility and high-pressure resistance, our rubber solutions provide a reliable safety margin for vehicle operators and industrial engineers alike.

Detailed Parameters

Common Sizes5/16'', 13/32'', 1/2'', 5/8'' Working PressureMax 3.5 MPa (500 Psi)
Burst PressureMax 22.0 MPa (3000 Psi) Refrigerant CompatibilityR404a
Applicable LiquidsDiluent, Xylene, Solvent Gasoline Standard ComplianceSAE J188
Inner Diameter (ID)7.9mm to 15.9mm (±0.2mm) Outer Diameter (OD)14.7mm to 23.6mm (±0.3mm)
Wall Thickness (WT)3.4mm to 3.9mm Primary UsePower Steering & Refrigeration

Key Advantages

Low Permeability

Engineered to prevent refrigerant leakage, ensuring long-term system efficiency and reduced maintenance.

Aging Resistance

High-grade rubber compounds prevent degradation over time, extending the service life of the hose.

Pulse Resistance

Capable of absorbing sudden pressure spikes without compromising structural integrity or safety.

Ozone Resistance

Protects against atmospheric ozone cracking, essential for automotive external exposure.

Cold Flexibility

Maintains softness and flexibility at low temperatures for reliable operation in winter climates.

Chemical Stability

Fully compatible with Xylene, solvent gasoline, and various organic industrial solvents.

Product Gallery

Management Platforms

Quality Control

Strict adherence to SAE J188 standards ensuring every millimeter meets precision specs.

Custom Fabrication

Tailored length and fitting options to match specific vehicle or industrial requirements.

Rapid Prototyping

Fast turnaround from technical drawing to physical sample for automotive testing.

Inventory Sync

Real-time stock management for all popular hose diameters to ensure zero downtime.

Global Logistics

Optimized shipping pathways for automotive parts to reduce lead times globally.

Technical Support

Expert guidance on liquid compatibility and pressure rating selections.

Investment Return Comparison

Performance MetricStandard Rubber HoseOur SAE J188 HoseBusiness Value
Service LifeShort/MediumExtended/LongLower Replacement Costs
Leakage RateModerateUltra-LowReduced Fluid Waste
Temp StabilityLimitedHigh RangeConsistent All-Weather Ops
Burst SafetyLow MarginHigh Margin (3000 Psi)Enhanced System Safety
Chemical FitGeneral OnlyMulti-Solvent ReadyVersatile Application

Frequently Asked Questions

Q: What makes the SAE J188 Power Steering Hose different from standard hoses?

The SAE J188 hose is specifically engineered for higher pressure tolerance and superior flexibility in cold conditions, ensuring the power steering assembly operates smoothly without stiffness.

Q: Is this refrigeration hose compatible with R404a refrigerant?

Yes, our refrigeration hoses are specifically tested and designed to be compatible with R404a, offering low permeability to prevent gas loss.

Q: Can these hoses be used for conveying organic solvents like Xylene?

Absolutely. These hoses are designed for industrial application and are resistant to diluents, xylene, and solvent gasoline.

Q: What is the maximum burst pressure for the 1/2 inch hose?

The 1/2 inch hose has a maximum burst pressure of 22.0 MPa or 3000 Psi, providing a significant safety buffer over its working pressure.

Q: How does the hose perform in extreme cold weather?

Our hoses maintain flexible softness under low temperatures, preventing the rubber from becoming brittle and ensuring safe vehicle operation in freezing environments.

Q: Does the hose provide protection against ozone and aging?

Yes, the material is formulated for high Ozone Resistance and Aging Resistance, preventing surface cracking and internal degradation.

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