4SP Spiral Reinforced Rubber Hose

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4SP Spiral Reinforced Rubber Hose

Our spiral reinforced rubber hose is produced in full compliance with DIN EN 856 4SP standard. Compared with our 4SH series high pressure hose, the 4SP series wire reinforced hose has wider size range with the outer diameter of 21.2mm to 71.5mm. Even if the two series have the interior rubber tubing of the same diameter, the thickness of their reinforcement layers and outer layers are different. The maximum working pressure of 4SP series spiral reinforced hose is 445bar and the maximum burst pressure is 1780bar.

Construction
The steel wire reinforced rubber hose is mainly constructed using rubber and steel wire. The exterior cover made of aging and abrasion resistant rubber makes the spiral wire hose durable. The middle reinforcement consisting of four layers of spiral steel wire ensures remarkable resistance to high pressure and deformation. The interior synthetic rubber hose is oil resistant.

Application
Supporting working at temperatures between -40℃ and 100℃, the spiral steel wire reinforced hose is a great solution for high pressure hydraulic liquid delivering. If you are looking for premium hydraulic hoses for hydraulic machines, please feel free to choose our spiral reinforced rubber hoses.
In addition, the wire reinforced hose can also serve as flexible fuel hose, lubricant oil hose and air hose in variety of equipment. To illustrate, it has found applications in engineering equipment, mining equipment, shipbuilding industry, agricultural machinery, metallurgy forging and pressing equipment, and more.

Parameter
DIN EN856 4SP
Inside Diameter Reinforcement Diameter Out Diameter Working Pressure Proof Pressure Burst Pressure Min. Bend Radius Weight
inch mm mm mm psi bar bar bar mm kg/m
3/8 9.3-10.1 17.4-18.2 21.2-22.0 6453 445 1070 1780 180 0.78
1/2 12.3-13.5 20.3-21.1 24.2-25.0 6018 415 1020 1700 230 0.93
5/8 15.5-16.7 23.8-29.1 27.7-28.5 5075 350 840 1400 250 1.17
3/4 18.6-19.8 28.3-29.1 32.2-23.0 5075 350 840 1400 300 1.48
1 25.0-26.4 35.4-36.2 39.2-40.0 4060 280 765 1280 340 2.02
1-1/4 31.4-33.0 45.1-45.9 50.2-51.0 3045 210 500 840 460 3.05
1-1/2 37.7-39.3 51.6-52.4 56.7-57.5 2683 185 445 740 560 3.52
2 50.4-52.0 64.6-65.4 70.7-71.5 2393 165 400 660 660 5.2

Package
The rubber hoses are firstly wrapped by plastic film and then packed in cartons or wooden cases. The packaging is also customizable.

Our company is a specialized 4SP steel wire spiral hydraulic hose manufacturer, based in China. We also offer rubber steam hose, air hose, garden hose, spiral reinforced PVC hose, and more.

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