Extra High Pressure Four Layers Steel Wire Spiral Reinforced Hydraulic Hose EN856 4SP / EN856 4SH

Inner Tube : oil resistant synthetic rubber - delivering hydraulic oils for long-term use.

Reinforcement Layer: four layers of high-tensile steel wire spiral reinforced - its used to withstand high pressure.

Cover : oil resistant and weather resistant synthetic rubber - it can work at tough condition and complex environment.

Temperature : -40℃ (-104℉) to +121℃ (+250℉)

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Product introduction

Description

Data Table

Application Fields

Product features

Hydraulic hose EN856 4SP and EN856 4SH are high pressure steel wire spiraled hydraulic hose consists of three layers. Inner tube, reinforcement and outer layer. Its used to deliver hydraulic fluid, petroleum based hydraulic fluid, hydraulic oil, mineral oil, gasoline, fuel oil, lubricating oil, emulsion, glycol solution, air brake, gas and water. Its mainly used in extremely high pressure and tough working conditions. Hydraulic hose EN856 4SP inside diameter size range is from 1/4 inch to 2 inch that is a wide size range relative to high pressure. Hydraulic hose EN856 4SH inside diameter size is from 3/4 inch to 2 inch with heavy duty workplace.

High pressure hose steel wire reinforced hydraulic rubber hose can be used in mine hydraulic support, oil field development, suitable for engineering construction, lifting and transportation, etc.

Why Choose EN856 4SP Hose for Extreme High-Pressure Systems?

In industries where hydraulic systems operate under extremely high pressures, the choice of hose is critical for safety and efficiency. The Extra High Pressure Four Layers Steel Wire Spiral Reinforced Hydraulic Hose EN856 4SP / EN856 4SH from Guangrao Juyuan Rubber And Plastic Co., Ltd. is designed to meet these rigorous requirements. Established in 2014, our company has focused on producing high-quality rubber and plastic hoses, delivering professional solutions for challenging industrial applications. The EN856 4SP hose, featuring four layers of steel wire spiral reinforcement, provides unmatched strength and reliability in high-pressure environments.

The multi-layer spiral design ensures the hose maintains structural integrity under extreme pressures, while the synthetic rubber inner tube resists hydraulic oils, fuels, and aggressive fluids. The robust outer cover protects against abrasion, weathering, and environmental wear, ensuring long-term durability even in harsh industrial conditions. This combination of features allows the hose to operate safely in hydraulic presses, construction machinery, mining equipment, and other high-demand systems.

Using en 856 4sp, engineers can achieve maximum safety and performance, as the spiral-reinforced structure evenly distributes pressure and minimizes the risk of hose failure. The EN856 4SH variant is ideal for mobile hydraulic equipment that requires flexibility combined with extreme pressure capacity. Guangrao Juyuan’s direct-to-customer production model ensures high-quality, cost-effective hoses that meet industry standards, providing professional-grade solutions without unnecessary middlemen.

Every hose undergoes rigorous testing, including burst pressure evaluation, flex fatigue testing, and chemical resistance assessment, ensuring reliable operation under demanding conditions. By choosing the en856 4sp hose, operators benefit from superior pressure handling, long service life, and reduced maintenance costs, making it the ideal choice for industries that require extreme high-pressure hydraulic solutions.

How Does EN856 4SH Hose Enhance Safety in Mobile Equipment?

Mobile hydraulic systems often face fluctuating pressures and dynamic loads, requiring hoses that can maintain integrity under continuous stress. The en 856 4sh hydraulic hose from Guangrao Juyuan Rubber And Plastic Co., Ltd. provides a professional solution for high-pressure mobile applications. Since 2014, our company has specialized in producing hoses with precision engineering, superior materials, and stringent quality control, ensuring reliable performance in demanding environments.

The four-layer steel wire spiral construction of the EN856 4SH hose allows it to withstand high-pressure surges while maintaining flexibility for mobile applications. The inner tube is designed to resist hydraulic oils, fuels, and chemical exposure, reducing the risk of internal degradation. The outer cover protects against abrasion, weathering, and mechanical wear, enhancing operational safety during continuous movement or challenging field conditions.

Using en856 4sh, operators can ensure consistent hydraulic performance, even in compact or mobile machinery where bending and dynamic stress are common. The spiral-reinforced layers distribute pressure evenly along the hose, reducing the likelihood of sudden failures and improving system longevity. Guangrao Juyuan’s factory-direct production guarantees competitive pricing without compromising quality, providing hoses that meet professional industrial requirements.

Additionally, the hose undergoes extensive testing, including burst pressure verification, flex fatigue testing, and environmental resistance assessments. This ensures that the EN856 4SH hydraulic hose performs reliably under extreme conditions, supporting both safety and efficiency in mobile hydraulic operations. Choosing this hose provides engineers and operators with a durable, high-pressure solution tailored to mobile and dynamic applications.

What Applications Benefit Most from EN856 4SP/4SH Spiral Hoses?

The Extra High Pressure Four Layers Steel Wire Spiral Reinforced Hydraulic Hose EN856 4SP / EN856 4SH is ideally suited for industries requiring extremely high-pressure hydraulic systems. Guangrao Juyuan Rubber And Plastic Co., Ltd., established in 2014, has built its reputation on delivering professional-grade hoses that combine strength, reliability, and durability. The EN856 4SP and 4SH hoses offer unique advantages in both stationary and mobile hydraulic systems, where extreme pressure, chemical resistance, and flexibility are paramount.

Industries such as mining, construction, heavy machinery, and oil and gas benefit significantly from these spiral-reinforced hoses. The four-layer steel wire structure allows the hose to endure high-pressure surges while minimizing the risk of deformation or leakage. The inner synthetic rubber tube resists hydraulic fluids, oils, and other chemicals, ensuring operational stability. The durable outer cover protects against mechanical damage, UV exposure, and environmental wear, extending hose service life even under harsh conditions.

Using en 856 4sp, engineers can integrate high-pressure hoses into industrial hydraulic presses, heavy excavators, and mobile hydraulic platforms, optimizing system performance and safety. Similarly, the en856 4sh hose is ideal for applications requiring additional flexibility without sacrificing pressure capacity. Guangrao Juyuan’s factory-direct model ensures consistent quality and cost-effective solutions, making these hoses accessible for professional industrial applications.

Each hose is thoroughly tested for burst pressure, flex fatigue, and chemical resistance to ensure reliable operation over long periods. By choosing the en 856 4sh and en856 4sp hoses, operators gain a high-performance, durable, and safe solution capable of handling the extreme demands of modern hydraulic systems, demonstrating the superiority of spiral-reinforced construction for high-pressure applications.

The hydraulic hose has three layers of different material structure. The inner tube is made from oil resistant synthetic rubber, therefore it can’t be corroded by the petroleum base fluid and liquid. The reinforcement part is consist with four layers of high tensile and high strength spiraled steel wire, and wind in alternating directions, therefore the hose can withstand internal and external extremely high pressure. The cover is made from high quality rubber and to play the protective function, so the rubber hose could resistant to abrasion, corrosion, air oxidation, extreme weather, ozone, aging, sunlight and cutting, also with longer service life.

EN856 4SP

Metric Size	Inch Size	Dash Size	I.D		W.D		O.D		Max W.P		Min B.P	Min B.R	W.T
Metric Size	Inch Size	Dash Size	(mm)		(mm)		(mm)		Max W.P		Min B.P	Min B.R	W.T
mm	inches	Dash	Min	Max	Min	Max	Min	Max	Mpa	psi	Mpa	mm	Kg/m
6.3	1/4	4	6.2	7	14.1	15.3	17.1	18.7	45	6525	180	150	0.6
10	3/8	6	9.3	10.1	16.9	18.1	20.6	22.2	44.5	6453	178	180	0.76
12.5	1/2	8	12.3	13.5	19.4	21	23.8	25.4	41.5	6018	166	230	0.9
16	5/8	10	15.5	16.7	23	24.6	27.4	29	35	5075	140	250	1.1
19	3/4	12	18.6	19.8	27.4	29	31.4	33	35	5075	140	300	1.48
25	1	16	25	26.4	34.5	36.1	38.5	40.9	28	4060	112	340	2.02
31.5	1-1/4	20	31.4	33	45	47	49.2	52.4	21	3045	84	460	2.98
38	1-1/2	24	37.7	39.3	51.4	53.6	55.6	58.8	18.5	2683	74	560	3.55
51	2	32	50.4	52	64.3	66.3	68.2	71.4	16.5	2393	66	660	4.86

EN856 4SH

Metric Size	Inch Size	Dash Size	I.D		W.D		O.D		Max W.P		Min B.P	Min B.R	W.T
Metric Size	Inch Size	Dash Size	(mm)		(mm)		(mm)		Max W.P		Min B.P	Min B.R	W.T
mm	inches	Dash	Min	Max	Min	Max	Min	Max	Mpa	psi	Mpa	mm	Kg/m
19	3/4	12	18.6	19.8	27.6	29.2	31.4	33	42	6090	168	280	1.64
25	1	16	25	26.4	34.4	36	37.5	39.9	38	5510	152	340	2.03
31.5	1-1/4	20	31.4	33	40.9	42.9	43.9	47.1	32.5	4713	130	460	2.45
38	1-1/2	24	37.7	39.3	47.8	49.8	51.9	55.1	29	4205	116	560	3.35
51	2	32	50.4	52	62.2	64.2	66.5	69.7	25	3625	100	700	4.5