High Pressure Thermoplastic Hydraulic Hose SAE 100 R7 / EN855 R7 - SAE 100 R8 / EN855 R8

Hydraulic hose SAE 100 R7 is medium pressure resin hose consists of three layers. Inner tube, reinforcement and outer layer. The inner tube that made from high quality oil resistant thermoplastic, synthetic fiber reinforcement and high quality oil resistant thermoplastic cover. 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.

Hydraulic hose SAE 100 R8 is high pressure thermoplastic hose that has a similar function with Hydraulic hose SAE 100 R7. It could be used in hydraulic and pneumatic systems. Such as mine hydraulic support, paint machine, oil field development, suitable for engineering construction, lifting and transportation, etc. 

What Makes Thermoplastic SAE 100 R7 Hoses Reliable in High-Pressure Use?

The sae100r7 thermoplastic hydraulic hose is designed for hydraulic systems that require stable performance under medium to high working pressure while maintaining excellent flexibility and a lightweight structure. Unlike traditional rubber hoses, this type of hose features a nylon or polyester elastomer inner tube with a high-tensile synthetic fiber reinforcement, making it suitable for applications where tight routing, repetitive mechanical motion, or weight reduction is prioritized. The smooth internal surface of the hose ensures consistent flow characteristics, minimizing pressure drop and energy consumption in closed hydraulic systems. For environments where fittings and hose routing change frequently, the thermoplastic design provides easy installation without requiring excessive force or heating.

In addition to structural performance, the sae 100r7 hose offers strong resistance to hydraulic oil, abrasion, and weather exposure, making it reliable in outdoor machinery, forklifts, vehicle-mounted hydraulic platforms, injection molding machines, and small construction equipment. Because the hose is lighter than comparable rubber alternatives, it reduces strain on mechanical joints, decreasing the likelihood of fatigue-related leakage. Its flexible behavior allows it to bend around compact machine bodies, robotic arms, and equipment frames without kinking or collapsing. Unlike rubber hoses that may soften or swell under high oil temperature exposure, this thermoplastic construction maintains dimensional stability, ensuring consistent pressure transmission and reliable valve responsiveness.

Safety is another defining advantage. Thermoplastic hoses do not produce carbon dust from internal abrasion, ensuring cleaner hydraulic systems and reducing the maintenance frequency of valves, pumps, and actuators. For mobile hydraulic equipment, personnel working near moving lines benefit from a hose that does not harden in cold weather or become excessively soft in high heat. The sae 100r7 hose is commonly selected in maintenance operations because it allows clean cutting, quick assembly, and efficient replacement without requiring system redesign.

Our factory manufactures this hose according to EN855 and SAE standards, verifying burst pressure, impulse durability, thermal aging, and flexibility across multiple cycles. Direct production and material sourcing allow us to maintain stable quality control while providing competitive pricing to distributors and OEM machinery manufacturers. This ensures users receive performance consistency from one batch to the next, supporting reliability in multi-shift industrial environments.

How Do SAE 100 R8 Hoses Handle Higher Pressure Applications? 

The sae 100 r8 thermoplastic hydraulic hose is engineered to withstand higher pressure conditions compared to R7 hoses, making it suitable for hydraulic systems requiring increased power output and durability under continuous load. The hose is constructed with an advanced thermoplastic inner tube and a double-layer high-strength synthetic fiber reinforcement, offering superior burst strength and impulse resistance. The outer cover is formulated for abrasion resistance and environmental stability, ensuring reliable performance in mobile hydraulic machinery that operates across varying climates, terrain surfaces, and operational intensities.

In equipment such as concrete pumps, aerial lift platforms, road construction machines, and industrial process automation lines, hydraulic pressure fluctuations occur frequently as machinery cycles between loading, lifting, and holding positions. The sae 100r8 hose delivers consistent structural stiffness to prevent expansion, torque distortion, or wall fatigue, thereby promoting accurate hydraulic control. Unlike rubber hoses, which may gradually deform under sustained pressure, thermoplastic R8 hoses maintain internal dimension uniformity, enhancing the efficiency of actuators, servo valves, and directional valve systems. Their lightweight composition also significantly improves equipment handling, especially in applications requiring manual installation or routing through tight mechanical compartments.

Flexibility remains a key performance factor, especially in moving assemblies and articulated systems. The sae100r8 hose functions effectively where hydraulic lines must move repeatedly with mechanical arms, lift extensions, conveyor systems, or motion-controlled automation components. The hose surface also provides excellent resistance to oil, grease, chemicals, and weather exposure, making it dependable for both indoor industrial workshops and rugged outdoor job sites. Reduced downtime is a crucial advantage—thermoplastic hoses require minimal maintenance and provide long operational life in demanding conditions.

Our production process includes comprehensive quality testing for pressure tolerance, impulse endurance, thermal resistance, and bend radius stability. Combined with our direct-factory supply structure, we ensure stable availability, consistent quality, and efficient shipment support for OEM and aftermarket clients. Whether used in manufacturing, logistics, construction, or municipal utility equipment, this hose offers dependable service longevity and cost-efficient performance over time.

What Should Technicians Consider When Selecting Between R7 and R8 Hoses? 

Selecting between sae 100 r7 and R8 hoses requires evaluating the hydraulic system’s working pressure, installation environment, fluid compatibility, and flexibility requirements. While both hose types share a thermoplastic construction that offers lightweight handling and clean internal operation, their reinforcement structure differentiates performance. R7 hoses are suitable for medium-pressure operations and environments where compact routing and system agility are prioritized. In contrast, R8 hoses are engineered for higher pressure conditions and provide stronger reinforcement to support heavy-duty hydraulic cycles. Understanding these operational distinctions ensures technicians prevent premature wear, leakage, or hydraulic inefficiencies caused by incorrect hose selection.

Environmental factors must also be considered. The sae100r7 hose performs well in applications involving mechanical arms, clamping equipment, and compact hydraulic layouts that require repeated movement and vibration control. Its flexibility allows it to be routed through narrow spaces and around tight corners without risking structural collapse. However, when equipment operates with sustained high load cycles—such as heavy construction platforms, industrial hydraulic presses, or continuous production lines—an R8 hose offers more dependable endurance.

System temperature and fluid characteristics play an additional role. Both hoses offer excellent resistance to standard hydraulic oils, but high-temperature or aggressive fluid blends may influence hose life differently depending on application frequency and pressure load. For high-intensity lifting equipment or machinery experiencing shock-load pressure spikes, the sae 100 r8 hose is typically preferred for its superior burst tolerance and impulse resistance.

Our factory supports customization of hose length, reinforcement configuration, outer jacket composition, and connection specifications to match real-world operating environments. Technicians benefit from simplified installation, reliable part traceability, and stable performance across machinery life cycles. By working directly with manufacturers, equipment owners gain consistent product quality, improved hydraulic efficiency, and reduced total maintenance cost over time.

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 structure has single layer or multi-layer of steel wire braid、fiber braid and high tensile textile braid, cloth reinforced respectively. The pressure of the rubber hose depends on the material of the reinforcement, therefore the hose can withstand internal and external high pressure.

The cover is made from high quality rubber, textile or fiber. Its 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.

SAE 100 R7 / EN855 R7

Inner Tube : oil resistant seamless thermoplastic Polyamide (PA) tube - delivering hydraulic oil, gas and water for long-term use.

Reinforcement Layer: one or two layers braided high tensile synthetic fibre or single layer or two layers of steel wire braid - its used to withstand high pressure.

Cover : Black high abrasion resistant polyurethane - it protects the reinforcement from external damage and can work at complex environment.

Temperature : -40℃ (-104℉) to +100℃ (+212℉)

SAE 100 R7 (STEEL WIRE BRAID)

SAE10OR7/EN855 R7(TWIN HOSE)

SAE 100 R7(FIBRE BRAID)

SAE 100 R8 / EN855 R8

Inner Tube : oil resistant seamless thermoplastic Polyamide (PA) tube - delivering hydraulic oil, gas and water for long-term use.

Reinforcement Layer: single layer or two layers of high tensile aramid fiber - its used to withstand high pressure.

Cover : Black high abrasion resistant polyurethane - it protects the reinforcement from external damage and can work at complex environment.

Temperature : -40℃ (-104℉) to +100℃ (+212℉) 

Mine hydraulic support：excavator、pneumatic equipment

Oil field mining：drilling equipment、drilling rig、oil pump

Engineering construction：lift machine、scraper、loader、drill、pile driver

Road construction machinery：rock crusher、stone crusher

Ships：cruise ship、fishing boat、yachts、ferries、port crane、quay crane

Offshore equipment：offshore drilling platform

Vehicle：cars、buses、vans、trucks、trains、subway

Pneumatic systems: air compressor、air brake

Oil resistance and high pressure resistance 

High temperature resistance and heat resistance  

Aging resistance with long service life

Good flexibility without distortion