The Extra High Pressure Four Layers Steel Wire Spiral Reinforced Hydraulic Hoses (EN856 4SP / EN856 4SH) represent the pinnacle of fluid transmission engineering for extreme environments. Engineered with a sophisticated three-layer architecture—comprising a high-resistance inner tube, a quad-layer steel wire spiral reinforcement, and a robust outer cover—these hoses are specifically designed to handle hydraulic fluids, petroleum-based oils, gasoline, and glycol solutions under intense pressure. Whether utilized in heavy-duty mining supports or oil field development, these hoses ensure seamless operation where failure is not an option.
Manufactured by Guangrao Juyuan Rubber And Plastic Co., Ltd., these professional-grade solutions are built to optimize safety and operational efficiency. While the EN856 4SP variant offers a versatile diameter range from 1/4" to 2" for high-pressure stability, the EN856 4SH variant is tailored for heavy-duty mobile equipment, combining extreme pressure capacity with the necessary flexibility for dynamic movement. By leveraging a direct-to-customer production model since 2014, we deliver factory-direct quality that minimizes maintenance costs and maximizes the lifespan of your hydraulic systems.
Detailed Parameters
| Standard Compliance | EN856 4SP / EN856 4SH | Reinforcement Type | 4-Layer Steel Wire Spiral |
|---|---|---|---|
| Inner Tube Material | Synthetic Rubber (Oil Resistant) | Outer Cover | Abrasion & Weather Resistant Rubber |
| EN856 4SP Size Range | 1/4 inch to 2 inch | EN856 4SH Size Range | 3/4 inch to 2 inch |
| Compatible Fluids | Hydraulic Oil, Fuel, Emulsions, Water | Working Condition | Extremely High Pressure / Tough Environments |
| Testing Protocols | Burst Pressure & Flex Fatigue | Production Model | Factory Direct (Since 2014) |
Key Advantages
Extreme Pressure Resistance
The four-layer spiral steel wire design distributes pressure evenly, preventing deformation and ensuring safety under surge loads.
Extended Service Life
High-grade synthetic rubber and robust outer covers protect against abrasion, UV exposure, and environmental wear.
Chemical Stability
Superior inner tube chemistry resists degradation from petroleum-based fluids, glycol solutions, and aggressive hydraulic oils.
Dynamic Flexibility
The EN856 4SH variant is optimized for mobile machinery, allowing bending and movement without compromising pressure integrity.
Rigorous Quality Control
Every batch undergoes burst pressure evaluation and flex fatigue testing to meet strict international industrial standards.
Cost-Effective Sourcing
Direct factory production eliminates middlemen, providing professional-grade hydraulic solutions at competitive pricing.
Product Gallery
Management Platforms
Mining Support
Optimized for hydraulic supports in underground mining, ensuring stability under extreme load.
Construction Machinery
High-performance hoses for excavators and cranes requiring maximum burst pressure resistance.
Oil Field Development
Resistant to harsh chemical environments and high-pressure surges in oil exploration rigs.
Lifting & Transportation
Durable spiral reinforcement for heavy-lift hydraulic systems and transport machinery.
Industrial Presses
Steady fluid delivery for high-tonnage hydraulic presses in manufacturing plants.
Mobile Platforms
Specifically engineered flexibility for dynamic hydraulic components in mobile equipment.
Investment Return Comparison
| Performance Metric | Standard Braided Hose | Juyuan Spiral Hose |
|---|---|---|
| Burst Pressure Capacity | Moderate | Extra High |
| Fatigue Life | Standard | Superior (Multi-layer) |
| Maintenance Cycle | Frequent | Extended |
| Environmental Resistance | Basic | Industrial Grade |
| Total Cost of Ownership | Higher (due to replacement) | Lower (Long-term durability) |
Frequently Asked Questions
EN856 4SP offers a wider size range (1/4" to 2") for general high-pressure stability, whereas EN856 4SH is specifically optimized for heavy-duty mobile equipment requiring a balance of extreme pressure capacity and flexibility.
These hoses are designed for petroleum-based hydraulic fluids, mineral oils, gasoline, fuel oil, lubricating oil, emulsions, glycol solutions, air brake fluids, gas, and water.
The multi-layer spiral design evenly distributes internal pressure across the hose wall, minimizing the risk of sudden bursts, preventing deformation, and ensuring structural integrity in extreme working conditions.
Yes, the robust outer cover is specifically engineered to resist abrasion, UV weathering, and mechanical wear, making them ideal for mine hydraulic supports and construction machinery.
Every hose undergoes rigorous professional testing, including burst pressure verification, flex fatigue testing, and chemical resistance assessments to ensure reliability.
Buying direct from the manufacturer eliminates unnecessary middlemen, ensuring more competitive pricing and direct control over quality standards and technical specifications.
