T: +86-19511798062
E: sales@honestflex.com
E: sales@honestflex.com
Licang District, Qingdao, Shandong, China
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The Honestflex DIN EN856 4SP hose is an ultra-high pressure hydraulic hose designed and manufactured strictly in accordance with the German industrial standard DIN EN856 4SP. It is specifically developed for the transmission of hydraulic fluids under extreme pressure shocks and harsh working conditions. This hose features a four-layer precision spiral winding structure, providing excellent pressure resistance while maintaining superior flexibility. The inner layer is made of oil-resistant nitrile butadiene rubber (NBR), offering excellent media compatibility and airtightness, ensuring smooth delivery of petroleum-based hydraulic oils, water-based hydraulic oils, and synthetic ester oils under high pressure without swelling or aging. The reinforcing layer consists of four layers of ultra-high tensile strength steel wire spirally wound in alternating directions. This structure evenly distributes system pressure and effectively resists high-frequency pulse impacts, offering superior pressure resistance and fatigue resistance compared to braided structures. The outer layer is covered with highly wear-resistant and weather-resistant synthetic rubber, certified by MSHA (Mine Safety and Health Administration), possessing flame-retardant, ozone-resistant, UV-resistant, and aging-resistant properties, ensuring safe use in extreme environments such as mines and tunnels. This hose is suitable for temperatures ranging from -40℃ to +125℃, with a safety factor of 4:1, making it an ideal choice for heavy-duty construction machinery, mining equipment, and industrial hydraulic systems.
DIN EN856 4SP steel wire spiral hydraulic hose, with its four-layer spiral structure and ultra-high pressure bearing capacity, is widely used in various mobile and stationary hydraulic systems with stringent pressure rating and reliability requirements. Specific applications include:
Heavy-duty construction machinery: Widely used in the main hydraulic circuits of large excavators, loaders, bulldozers, road rollers, pavers, and rotary drilling rigs, withstanding severe pressure fluctuations and high-frequency impacts during operation.
Mining and underground mining equipment: Suitable for the hydraulic systems of continuous coal mining machines, tunneling machines, mobile crushers, mining dump trucks, and open-pit drilling rigs. The outer rubber layer meets MSHA standards. Certification ensures fire safety and wear resistance requirements for underground operations.
Lifting and hoisting equipment: Used in the hydraulic outriggers, winch systems, and luffing mechanisms of truck cranes, crawler cranes, tower cranes, and truck-mounted cranes, meeting the safety requirements for heavy-duty lifting.
Port and marine machinery: Suitable for the hydraulic systems of quay container cranes, rubber-tired gantry cranes, forklifts, and marine cranes, resistant to the salt spray corrosion and humid climate of marine environments.
Oil and gas equipment: Used in the hydraulic circuits of oilfield fracturing trucks, workover rigs, drilling systems, and blowout preventer control devices, resistant to the oil and gas environment. Chemical Corrosion and High-Pressure Impact
Industrial Hydraulic Equipment: Ultra-high pressure hydraulic systems suitable for metal forming presses, injection molding machines, metallurgical equipment, and CNC machine tools, providing precise and stable power transmission.
Agricultural and Forestry Heavy Machinery: Hydrostatic drive systems for large combine harvesters, silage harvesters, timber harvesters, and logging and stacking machines, adaptable to complex working conditions in fields and forests.
Superior pulse fatigue resistance: Rigorous pulse testing verifies that it can withstand over 400,000 pressure shock cycles (far exceeding ISO 6803 standard requirements), significantly extending the hose's service life under dynamic high pressure environments.
Comprehensive raw material testing: Multiple performance tests are conducted on rubber raw materials before production (tensile strength, Shore hardness 85A, vulcanization characteristics, adhesion strength, aging performance, ozone resistance, low-temperature brittleness). The steel wire tensile strength reaches up to 3250N, ensuring stable and reliable material quality for every batch.
Full production traceability: A production identification card system clearly records the person in charge and progress of each process, enabling full lifecycle quality traceability for easy problem identification and accountability.
Abrasion-resistant and weather-resistant outer layer: Coated with highly abrasion-resistant synthetic rubber, MSHA flame-retardant certified, it withstands severe friction and scratches in mining and construction sites; it also possesses excellent ozone, UV, and aging resistance, suitable for all-weather outdoor operation.
Wide temperature range stability: Maintains good flexibility at -40℃ and does not soften or deform at +125℃, meeting the operational needs of extremely cold and tropical regions.
Wide media compatibility: The inner rubber layer is suitable for various media including petroleum-based hydraulic oils, water-glycol flame-retardant hydraulic fluids, mineral oils, lubricating oils, diesel, gasoline, and biodegradable hydraulic oils.
Hose assembly matching service: Provides hydraulic hose assembly processing services, customizing hose types, lengths, and connector specifications according to customer needs, pre-installed crimp-type connectors for immediate on-site installation and use, reducing installation difficulty and leakage risk.
Metric Size | Inch Size | SAE Dash size | I.D. | Braid | O.D. | Max W.P. | Min B.P. | Min B.R. | Weight | ||||
(mm) | (mm) | (mm) | |||||||||||
mm | inches | Dash | Min | Max | Min | Max | Min | Max | Mpa | psi | Mpa | mm | Kg/m |
6.3 | 1/4 | 04 | 6.2 | 7.0 | 14.1 | 15.3 | 17.1 | 18.7 | 45.0 | 6525 | 180.0 | 150.0 | 0.6 |
10 | 3/8 | 06 | 9.3 | 10.1 | 16.9 | 18.1 | 20.6 | 22.2 | 44.5 | 6453 | 178.0 | 180.0 | 0.76 |
12.5 | 1/2 | 08 | 12.3 | 13.5 | 19.4 | 21.0 | 23.8 | 25.4 | 41.5 | 6018 | 166.0 | 230.0 | 0.9 |
16 | 5/8 | 10 | 15.5 | 16.7 | 23.0 | 24.6 | 27.4 | 29.0 | 35.0 | 5075 | 140.0 | 250.0 | 1.1 |
19 | 3/4 | 12 | 18.6 | 19.8 | 27.4 | 29.0 | 31.4 | 33.0 | 35.0 | 5075 | 140.0 | 300.0 | 1.48 |
25 | 1 | 16 | 25.0 | 26.4 | 34.5 | 36.1 | 38.5 | 40.9 | 28.0 | 4060 | 112.0 | 340.0 | 2.02 |
31.5 | 1-1/4 | 20 | 31.4 | 33.0 | 45.0 | 47.0 | 49.2 | 52.4 | 21.0 | 3045 | 84.0 | 460.0 | 2.98 |
38 | 1-1/2 | 24 | 37.7 | 39.3 | 51.4 | 53.6 | 55.6 | 58.8 | 18.5 | 2683 | 74.0 | 560.0 | 3.55 |
51 | 2 | 32 | 50.4 | 52.0 | 64.3 | 66.3 | 68.2 | 71.4 | 16.5 | 2393 | 66.0 | 660.0 | 4.86 |
Q1: What type of hydraulic fluid is this hose rated for?
This hose is engineered for use with standard petroleum-based hydraulic oils, biodegradable fluids, and water-glycol hydraulic fluids, making it suitable for high-pressure hydraulic power transmission systems.
Q2: What is its effective operating temperature range?
The hose is designed to perform reliably within a temperature range of -40°C (-40°F) to +100°C (+212°F), accommodating both cold start-up conditions and high-temperature operating environments.
Q3: Is this hose suitable for suction (vacuum) applications?
No. The DIN EN856 4SP hose is designed specifically for ultra-high-pressure hydraulic delivery or pressure lines. It is not recommended for suction line applications, where different hose constructions are required.
Q4: What are its typical size and pressure capabilities?
It is available in a standard range of metric inner diameters to suit high-flow systems. As a 4-spiral hose, it offers extremely high working pressure ratings, which vary by diameter. Specific ratings and custom sizes can be provided based on application requirements.
Q5: What end fitting options are available?
The hose is typically supplied with permanently crimped end fittings to ensure integrity under extreme pressure. A wide variety of fitting types, including metric, BSP, and SAE flange connections, are available to match your system's port specifications.
Q6: To which standard is this hose manufactured?
This hose is manufactured in strict compliance with the European DIN EN856 standard for rubber hoses and hose assemblies, specifically meeting all requirements for the Type 4SP (four-spiral wire reinforced) classification.
Q7: How is the hose length supplied?
It is commonly supplied in long, continuous lengths for custom assembly or can be provided as pre-made, factory-crimped hose assemblies cut to your specified exact length.
Q8: Can it withstand outdoor and harsh site conditions?
Yes. Its heavy-duty synthetic rubber cover is specifically formulated to provide excellent resistance to abrasion, weathering, ozone, and many oils, ensuring durability in severe indoor and outdoor industrial environments.
Q9: Is it compatible with high-pressure hydraulic pumps?
Absolutely. It is the ideal choice for connecting to and from high-pressure axial piston pumps, plunger pumps, and intensifiers used in heavy machinery, where it safely contains the system's maximum operating pressure.
Q10: How is the hose reinforced for such high pressure?
The hose is reinforced with four separate spiraled layers of high-tensile steel wire. This construction provides exceptional burst strength, minimizes elongation under pressure, and offers superior resistance to pressure surges and impulse fatigue.
The Honestflex DIN EN856 4SP hose is an ultra-high pressure hydraulic hose designed and manufactured strictly in accordance with the German industrial standard DIN EN856 4SP. It is specifically developed for the transmission of hydraulic fluids under extreme pressure shocks and harsh working conditions. This hose features a four-layer precision spiral winding structure, providing excellent pressure resistance while maintaining superior flexibility. The inner layer is made of oil-resistant nitrile butadiene rubber (NBR), offering excellent media compatibility and airtightness, ensuring smooth delivery of petroleum-based hydraulic oils, water-based hydraulic oils, and synthetic ester oils under high pressure without swelling or aging. The reinforcing layer consists of four layers of ultra-high tensile strength steel wire spirally wound in alternating directions. This structure evenly distributes system pressure and effectively resists high-frequency pulse impacts, offering superior pressure resistance and fatigue resistance compared to braided structures. The outer layer is covered with highly wear-resistant and weather-resistant synthetic rubber, certified by MSHA (Mine Safety and Health Administration), possessing flame-retardant, ozone-resistant, UV-resistant, and aging-resistant properties, ensuring safe use in extreme environments such as mines and tunnels. This hose is suitable for temperatures ranging from -40℃ to +125℃, with a safety factor of 4:1, making it an ideal choice for heavy-duty construction machinery, mining equipment, and industrial hydraulic systems.
DIN EN856 4SP steel wire spiral hydraulic hose, with its four-layer spiral structure and ultra-high pressure bearing capacity, is widely used in various mobile and stationary hydraulic systems with stringent pressure rating and reliability requirements. Specific applications include:
Heavy-duty construction machinery: Widely used in the main hydraulic circuits of large excavators, loaders, bulldozers, road rollers, pavers, and rotary drilling rigs, withstanding severe pressure fluctuations and high-frequency impacts during operation.
Mining and underground mining equipment: Suitable for the hydraulic systems of continuous coal mining machines, tunneling machines, mobile crushers, mining dump trucks, and open-pit drilling rigs. The outer rubber layer meets MSHA standards. Certification ensures fire safety and wear resistance requirements for underground operations.
Lifting and hoisting equipment: Used in the hydraulic outriggers, winch systems, and luffing mechanisms of truck cranes, crawler cranes, tower cranes, and truck-mounted cranes, meeting the safety requirements for heavy-duty lifting.
Port and marine machinery: Suitable for the hydraulic systems of quay container cranes, rubber-tired gantry cranes, forklifts, and marine cranes, resistant to the salt spray corrosion and humid climate of marine environments.
Oil and gas equipment: Used in the hydraulic circuits of oilfield fracturing trucks, workover rigs, drilling systems, and blowout preventer control devices, resistant to the oil and gas environment. Chemical Corrosion and High-Pressure Impact
Industrial Hydraulic Equipment: Ultra-high pressure hydraulic systems suitable for metal forming presses, injection molding machines, metallurgical equipment, and CNC machine tools, providing precise and stable power transmission.
Agricultural and Forestry Heavy Machinery: Hydrostatic drive systems for large combine harvesters, silage harvesters, timber harvesters, and logging and stacking machines, adaptable to complex working conditions in fields and forests.
Superior pulse fatigue resistance: Rigorous pulse testing verifies that it can withstand over 400,000 pressure shock cycles (far exceeding ISO 6803 standard requirements), significantly extending the hose's service life under dynamic high pressure environments.
Comprehensive raw material testing: Multiple performance tests are conducted on rubber raw materials before production (tensile strength, Shore hardness 85A, vulcanization characteristics, adhesion strength, aging performance, ozone resistance, low-temperature brittleness). The steel wire tensile strength reaches up to 3250N, ensuring stable and reliable material quality for every batch.
Full production traceability: A production identification card system clearly records the person in charge and progress of each process, enabling full lifecycle quality traceability for easy problem identification and accountability.
Abrasion-resistant and weather-resistant outer layer: Coated with highly abrasion-resistant synthetic rubber, MSHA flame-retardant certified, it withstands severe friction and scratches in mining and construction sites; it also possesses excellent ozone, UV, and aging resistance, suitable for all-weather outdoor operation.
Wide temperature range stability: Maintains good flexibility at -40℃ and does not soften or deform at +125℃, meeting the operational needs of extremely cold and tropical regions.
Wide media compatibility: The inner rubber layer is suitable for various media including petroleum-based hydraulic oils, water-glycol flame-retardant hydraulic fluids, mineral oils, lubricating oils, diesel, gasoline, and biodegradable hydraulic oils.
Hose assembly matching service: Provides hydraulic hose assembly processing services, customizing hose types, lengths, and connector specifications according to customer needs, pre-installed crimp-type connectors for immediate on-site installation and use, reducing installation difficulty and leakage risk.
Metric Size | Inch Size | SAE Dash size | I.D. | Braid | O.D. | Max W.P. | Min B.P. | Min B.R. | Weight | ||||
(mm) | (mm) | (mm) | |||||||||||
mm | inches | Dash | Min | Max | Min | Max | Min | Max | Mpa | psi | Mpa | mm | Kg/m |
6.3 | 1/4 | 04 | 6.2 | 7.0 | 14.1 | 15.3 | 17.1 | 18.7 | 45.0 | 6525 | 180.0 | 150.0 | 0.6 |
10 | 3/8 | 06 | 9.3 | 10.1 | 16.9 | 18.1 | 20.6 | 22.2 | 44.5 | 6453 | 178.0 | 180.0 | 0.76 |
12.5 | 1/2 | 08 | 12.3 | 13.5 | 19.4 | 21.0 | 23.8 | 25.4 | 41.5 | 6018 | 166.0 | 230.0 | 0.9 |
16 | 5/8 | 10 | 15.5 | 16.7 | 23.0 | 24.6 | 27.4 | 29.0 | 35.0 | 5075 | 140.0 | 250.0 | 1.1 |
19 | 3/4 | 12 | 18.6 | 19.8 | 27.4 | 29.0 | 31.4 | 33.0 | 35.0 | 5075 | 140.0 | 300.0 | 1.48 |
25 | 1 | 16 | 25.0 | 26.4 | 34.5 | 36.1 | 38.5 | 40.9 | 28.0 | 4060 | 112.0 | 340.0 | 2.02 |
31.5 | 1-1/4 | 20 | 31.4 | 33.0 | 45.0 | 47.0 | 49.2 | 52.4 | 21.0 | 3045 | 84.0 | 460.0 | 2.98 |
38 | 1-1/2 | 24 | 37.7 | 39.3 | 51.4 | 53.6 | 55.6 | 58.8 | 18.5 | 2683 | 74.0 | 560.0 | 3.55 |
51 | 2 | 32 | 50.4 | 52.0 | 64.3 | 66.3 | 68.2 | 71.4 | 16.5 | 2393 | 66.0 | 660.0 | 4.86 |
Q1: What type of hydraulic fluid is this hose rated for?
This hose is engineered for use with standard petroleum-based hydraulic oils, biodegradable fluids, and water-glycol hydraulic fluids, making it suitable for high-pressure hydraulic power transmission systems.
Q2: What is its effective operating temperature range?
The hose is designed to perform reliably within a temperature range of -40°C (-40°F) to +100°C (+212°F), accommodating both cold start-up conditions and high-temperature operating environments.
Q3: Is this hose suitable for suction (vacuum) applications?
No. The DIN EN856 4SP hose is designed specifically for ultra-high-pressure hydraulic delivery or pressure lines. It is not recommended for suction line applications, where different hose constructions are required.
Q4: What are its typical size and pressure capabilities?
It is available in a standard range of metric inner diameters to suit high-flow systems. As a 4-spiral hose, it offers extremely high working pressure ratings, which vary by diameter. Specific ratings and custom sizes can be provided based on application requirements.
Q5: What end fitting options are available?
The hose is typically supplied with permanently crimped end fittings to ensure integrity under extreme pressure. A wide variety of fitting types, including metric, BSP, and SAE flange connections, are available to match your system's port specifications.
Q6: To which standard is this hose manufactured?
This hose is manufactured in strict compliance with the European DIN EN856 standard for rubber hoses and hose assemblies, specifically meeting all requirements for the Type 4SP (four-spiral wire reinforced) classification.
Q7: How is the hose length supplied?
It is commonly supplied in long, continuous lengths for custom assembly or can be provided as pre-made, factory-crimped hose assemblies cut to your specified exact length.
Q8: Can it withstand outdoor and harsh site conditions?
Yes. Its heavy-duty synthetic rubber cover is specifically formulated to provide excellent resistance to abrasion, weathering, ozone, and many oils, ensuring durability in severe indoor and outdoor industrial environments.
Q9: Is it compatible with high-pressure hydraulic pumps?
Absolutely. It is the ideal choice for connecting to and from high-pressure axial piston pumps, plunger pumps, and intensifiers used in heavy machinery, where it safely contains the system's maximum operating pressure.
Q10: How is the hose reinforced for such high pressure?
The hose is reinforced with four separate spiraled layers of high-tensile steel wire. This construction provides exceptional burst strength, minimizes elongation under pressure, and offers superior resistance to pressure surges and impulse fatigue.
