SAE100 R8/EN855 R8 Hydraulic Hose
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SAE100 R8/EN855 R8 Hydraulic Hose
SAE100 R8/EN855 R8 Hydraulic Hose SAE100 R8/EN855 R8 Hydraulic Hose
SAE100 R8/EN855 R8 Hydraulic Hose SAE100 R8/EN855 R8 Hydraulic Hose
SAE100 R8/EN855 R8 Hydraulic Hose SAE100 R8/EN855 R8 Hydraulic Hose

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SAE100 R8/EN855 R8 Hydraulic Hose

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Inner Tube: Oilresistant seamless thermoplastic Polyamide(PA)tube.
Reinforcement : one or two layer braided hightensile aramid fibre
Cover: Black high abrasion resistant polyurethane.
Application : Medium pressure hydraulic and pneumatic systems. Meets orexceeds SAE 100R8 requirements. For pneumaticor gaseous systems,use perforated(pin-pricked)hose.
Temperature Range :-40℃(-104 F)to+100℃(+212F)
Availability:
Quantity:

Introduction to SAE100 R8 / EN855 R8 Hydraulic Hose

The SAE100 R8 and EN855 R8 standard thermoplastic hydraulic hoses are medium- and high-pressure hydraulic hoses made of high-performance thermoplastic materials, designed specifically for demanding hydraulic systems. Manufactured strictly according to SAE 100R8 and EN855 R8 international standards, their non-conductive nature makes them advantageous in special operating conditions requiring electrical insulation. The hose structure consists of three precision layers: the inner tube layer is made of high-quality oil-resistant thermoplastic material, ensuring excellent compatibility with various hydraulic media; the reinforcing layer is made of two layers of high-tensile-strength synthetic fibers, providing excellent pressure resistance; the outer layer is made of highly flexible, weather-resistant polyurethane or thermoplastic material, typically needle-punched to release interlayer gas, and possesses good wear resistance and hydraulic fluid resistance. This hose has a wide operating temperature range, capable of stable operation continuously from -40°C to +100°C, meeting the needs of diverse climates and equipment conditions.

Applications of SAE100 R8 / EN855 R8 Hydraulic Hose

With its excellent media compatibility, lightweight design, and pressure resistance, SAE100 R8 / EN855 R8 thermoplastic hoses are widely used in various mobile and industrial hydraulic equipment. Specific applications include:

  • Engineering and Agricultural Machinery: Suitable for medium-pressure hydraulic lines in excavators, loaders, agricultural tractors, and agricultural braking systems. Its wear resistance and weather resistance allow it to adapt to complex outdoor operating environments.

  • Material Handling Equipment: Widely used in the hydraulic systems of forklifts, aerial work platforms (such as scissor lifts and articulated boom lifts), telescopic forklifts, and various cranes. The hose's flexibility and lightweight characteristics facilitate the agile operation of the equipment.

  • Industrial and General Hydraulics: Suitable for pressure lines in workshop equipment, machine tools, and general hydraulic systems. It can be used to transport petroleum-based hydraulic oils, synthetic ester oils, water-based ethylene glycol lubricants, and medium-pressure gases or solvents.

  • Special Applications: Due to its non-conductive structure, it is particularly suitable for applications requiring electrical insulation protection, such as hydraulic lines near cables or wind power equipment. Its resistance to seawater and salt spray also makes it suitable for marine and offshore equipment.

  • High-Pressure Tools and Equipment: Commonly used in bolt tensioners, hydraulic jacks, and various high-voltage power stations, its minimal expansion under pressure ensures precise power transmission.

Advantages of SAE100 R8 / EN855 R8 Hydraulic Hose

Compared to traditional rubber hydraulic hoses, SAE100 R8 / EN855 R8 thermoplastic hoses offer significant advantages in performance and user experience:

  • Lightweight and Highly Flexible: Utilizing thermoplastic materials and synthetic fiber reinforcement layers, the hose is lighter overall, has a more compact outer diameter, and a smaller bending radius, greatly simplifying piping and installation in confined spaces and reducing operator workload.

  • Excellent pressure resistance: The braided reinforcement structure of high-strength synthetic fibers gives the hose excellent pressure resistance and extremely low pressure expansion, ensuring the sensitivity and efficiency of the hydraulic system response.

  • Superior wear and weather resistance: The outer layer is made of highly wear-resistant polyurethane material, which effectively resists mechanical wear during operation, extending the hose's service life. At the same time, the outer layer has good resistance to ultraviolet rays, ozone, and weathering, making it suitable for various harsh outdoor environments.

  • Wide media compatibility: The inner tube layer exhibits excellent chemical compatibility with petroleum-based, synthetic ester-based, and water-based hydraulic oils, making it suitable for various types of hydraulic systems and reducing the probability of incorrect selection.

  • Clean and efficient: Compared to rubber hoses, thermoplastic hoses are less prone to dust and particle shedding during manufacturing and use, making them suitable for operating environments with high cleanliness requirements.

Technical Specifications:

Metric

Value / Range

Notes

Inner Tube

Oil-resistant PA

For synthetic, petroleum, water hydraulic fluids

Reinforcement

One or two braided aramid layers

Higher safety and burst margin

Cover

Black polyurethane

Abrasion and weather resistant

Temperature Range

–40 °C to +100 °C

Standard operating limits

Compliance

SAE100 R8 / EN855 R8

Meets or exceeds standard

Dimensions & Pressure

Dash sizes, ID/OD, WP / BP values

See size table in product sheet

Detailed Product Specifications:

MetricSize

InchSize

SAEDashsize

I.D.

O.D.

Allowed  Tolerance

MaxW.P.

MinB.P.

MinB.R

W.T

Standard

Standard

mm

Inches

Dash

mm

mm

mm

Mpa

psi

Mpa

mm

g/m

6.3

1/4

04

6.3

12.3

±0.10

38

5510

150.0

40

90

8

5/16

05

7.9

14.3

±0.10

33

4785

130.0

45

115

10

3/8

06

9.5

16.7

±0.15

28

4060

112.0

60

145

12.5

1/2

08

12.7

19.8

±0.15

25

3625

100.0

80

205

16

5/8

10

15.9

24.5

±0.15

23

3335

90.0

120

290

19

3/4

12

18.9

28.0

±0.15

18

2610

70.0

140

345

25

1

16

25.4

34.0

±0.20

15

2175

60.0

160

450

R8 vs R7 Hydraulic Hose — What’s the Difference?

Although both SAE100 R7 and SAE100 R8 hydraulic hoses are thermoplastic hoses used in hydraulic systems, they differ in construction, performance, and typical applications.

Feature / Property

SAE100 R7 Hydraulic Hose

SAE100 R8 Hydraulic Hose

Tube Material

Thermoplastic (usually Nylon/PA)

Thermoplastic (PA, higher grade)

Reinforcement

Single or twin synthetic fiber braid

High tensile aramid fiber braid (stronger)

Cover

Thermoplastic polyurethane (standard abrasion resistance)

Abrasion-resistant polyurethane (enhanced durability)

Working Pressure

Medium pressure range

Higher working pressure than R7

Flexibility

Flexible, lightweight

More flexible, designed for tighter routing

Temperature Range

–40 °C to +100 °C

–40 °C to +100 °C (better stability at high temp)

Typical Uses

General hydraulics, forklifts, light machinery

Mobile hydraulics, excavators, agricultural & mining machinery

Durability

Good for light-to-medium duty

Better abrasion & pressure resistance for heavy-duty use

Cost

Lower cost, economic choice

Slightly higher cost, premium performance

FAQ

Q1: What type of hydraulic fluids is this EN855 R8 hose compatible with?

This hose is designed for use with a wide range of hydraulic oils, including standard mineral-based oils, biodegradable fluids, and water-glycol mixtures, making it suitable for most industrial hydraulic systems.

Q2: What is the operating temperature range for this hydraulic hose?

The hose is engineered to perform reliably within a temperature range of approximately -40°C (-40°F) to +100°C (+212°F), ensuring functionality in both low-temperature and high-temperature working environments.

Q3: What is the primary application of the EN855 R8 hose?

It is primarily used for high-pressure hydraulic lines in mobile and industrial equipment, such as construction machinery, agricultural equipment, and material handling systems, for the transmission of hydraulic power.

Q4: What are its available sizes and pressure capabilities?

The hose is commonly available in inner diameters ranging from small sizes (e.g., 6mm) up to larger sizes (e.g., 25mm or more). It features a high working pressure rating, typically corresponding to the R8 classification within the EN855 standard, with specific ratings varying by diameter.

Q5: Can it be fitted with different end connections?

Yes, the hose can be supplied with various crimped or reusable end fittings, including metric, BSP, JIC, or SAE threads, tailored to connect seamlessly with your specific hydraulic components and port types.

Q6: To which standard does this hose conform?

This hose is manufactured in compliance with the European EN855 standard, specifically meeting the requirements for Type R8 (formerly 2SN). This ensures consistent performance, safety, and quality for the European and international markets.

Q7: What is the standard length available?

Standard hose assemblies are often available in common pre-made lengths, while bulk hose is typically supplied in coils or reels of 100, 250, or 500 meters. Custom-cut lengths and assemblies are readily available.

Q8: Is the hose suitable for use in demanding environments?

Yes, it features a robust construction with excellent resistance to abrasion, weather, and many common industrial chemicals, making it suitable for use in tough indoor and outdoor applications.

Q9: Is this hose compatible with all types of hydraulic pumps and valves?

Yes, it is designed as a general-purpose high-pressure hydraulic hose and is compatible with standard hydraulic pumps, valves, cylinders, and motors found in compliant hydraulic systems.

Q10: What construction features ensure its durability under high pressure?

The hose incorporates a synthetic rubber inner tube, multiple high-tensile textile braid reinforcement layers (as per the R8/2SN specification), and a tough, flexible, and wear-resistant outer cover, providing excellent impulse fatigue resistance and long service life under high-pressure conditions.

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