High Pressure Hydraulic Rubber Hose

High Pressure Hydraulic Rubber Hose are used to transfer hydraulic oil in machinery and hydraulic systems. They are designed with an inner tube, reinforcement layer and outer cover to meet different pressure and operating requirements.

JIDONGDA offers hydraulic hose options for construction equipment, agricultural machinery, mining equipment and industrial applications. Custom lengths and hose assemblies are available according to customer specifications.

What Is a High Pressure Hydraulic Hose?

A High Pressure Hydraulic Rubber Hose is a flexible pressure pipeline used for transporting hydraulic oil or other compatible hydraulic fluids in hydraulic systems. It is typically composed of an inner tube, reinforcement layer, and outer cover.

The inner tube directly contacts the transported fluid, the reinforcement layer withstands the main pressure load, and the outer cover protects the hose from external environmental factors and mechanical damage.

According to different working pressures, pressure impulse requirements, and operating environments, High Pressure Hydraulic Rubber Hoses can be manufactured with different reinforcement structures.

Steel Wire Braided Hydraulic Hose

Steel wire braided hydraulic hoses are suitable for hydraulic systems that require flexible connections and corresponding pressure performance. According to specific product models, they can meet different pressure ratings and application requirements.

Steel Wire Spiral Hydraulic Hose

Steel wire spiral hydraulic hoses are designed for hydraulic systems requiring specific working pressure and pressure impulse performance. Their application range depends on the hose model, reinforcement structure design, and relevant test results.

The pressure capability of High Pressure Hydraulic Rubber Hoses cannot be determined only by appearance, diameter, or the number of steel wire layers. Final selection should be based on the specific product model, technical parameters, applicable standards, and test results.

Hydraulic Fluid Compatibility

Why Is Hydraulic Fluid Compatibility Important?

Hydraulic systems usually use hydraulic oil, but different equipment may operate with different types of working fluids.

If the hydraulic fluid is incompatible with the hose inner tube material, it may cause swelling, hardening, softening, cracking, or performance degradation, which can affect hose service life and operational safety.

When selecting a Hydraulic Oil Hose, the following information should be confirmed:

· Hydraulic Fluid Type

· Fluid Composition

· Working Temperature

· Operating Pressure

· Environmental Conditions

Common selection information includes mineral-based hydraulic oils, synthetic hydraulic fluids, and other specific hydraulic media.

Compatibility with different fluids needs to be confirmed according to the actual formulation, inner tube material, and operating conditions. The same hydraulic hose cannot be assumed to be suitable for all hydraulic oils, synthetic fluids, or water-based fluids.

If a hydraulic system uses special fluids, it is recommended to provide the fluid name and technical information so that the hose material compatibility can be further confirmed.

Hose Construction

A typical High Pressure Hydraulic Rubber Hose usually consists of the following components:

01｜Inner Tube

The inner tube directly contacts the hydraulic fluid.

Main considerations include:

· Oil Resistance

· Fluid Compatibility

· Temperature Resistance

· Flexibility

The material and thickness of the inner tube should be selected according to the specific hose model and operating conditions.

02｜Reinforcement Layer

The reinforcement layer is a key structure determining the pressure capability of the hose.

According to product series and pressure requirements, the hose can adopt steel wire braided or steel wire spiral reinforcement structures.

Selection should consider:

· Working Pressure

· Burst Pressure

· Pressure Impulse Requirements

· Hose Diameter

· Minimum Bending Radius

· Installation Conditions

For hydraulic systems with frequent pressure changes, it is also necessary to confirm whether the hose meets the required pressure impulse performance.

03｜Outer Cover

The outer cover provides external protection for the reinforcement structure.

According to the operating environment, the following factors may need to be considered:

· Abrasion Resistance

· Weather Resistance

· Oil and Grease Resistance

· Ozone Resistance

· Mechanical Protection

04｜Hydraulic Fittings & Hose Assembly

High Pressure Hydraulic Rubber Hoses can be equipped with suitable fittings according to equipment connection requirements to form a Hydraulic Hose Assembly.

Available fitting options include:

· Straight Fittings

· 45° Elbow Fittings

· 90° Elbow Fittings

· Metric Thread Fittings

· BSP Thread Fittings

· JIC Fittings

· ORFS Fittings

· Flange Fittings

The specific fitting type, thread specification, sealing method, and crimping parameters need to be confirmed according to equipment interfaces and product requirements.

The hose, fittings, and crimping parameters should be considered as a matched assembly system. Different specifications of components should not be mixed randomly.

Technical Specifications

Working Pressure & Temperature

Working pressure, burst pressure, and working temperature are different technical parameters and cannot replace each other.

The allowable working pressure of a hose is affected by factors including inner diameter, reinforcement structure, product model, temperature, and operating conditions. When temperature increases, the allowable working pressure of some hoses may need to be adjusted accordingly.

For hydraulic systems with continuous or frequent pressure pulses, it is also necessary to confirm whether the pressure impulse performance meets equipment requirements.

Therefore, buyers should select the appropriate hose model according to the actual application and confirm final performance based on product technical data and actual test results.

Typical Applications

Construction Machinery — Excavators, loaders, cranes and other hydraulic equipment.

Agricultural Machinery — Tractors, harvesters and agricultural equipment.

Industrial Equipment — Hydraulic presses, power units and industrial machinery.

Mining Equipment — Hydraulic systems operating in demanding industrial environments.

Material Handling Equipment — Forklifts, lifting equipment and other hydraulic applications.

The hose must be selected according to the equipment's operating conditions.

Company Certifications & Documents

Quality Management System Certification

Environmental Management System Certification

High Pressure Hydraulic Hose Patent Certificate

Factory & Production Capability

Why Choose JIDONGDA  Hoses?

JIDONGDA  supplies hydraulic hoses for different industrial applications and can coordinate product sourcing according to customer requirements.

· Steel wire braided and spiral hose options

· Customized sizes and lengths

· Hydraulic fittings and hose assemblies

· OEM and non-standard specifications

· Product matching based on drawings or samples

· Flexible supply solutions for different projects

Installation & Maintenance

· Select the correct pressure rating for your hydraulic system.

· Confirm compatibility between the hydraulic fluid and hose material.

· Avoid excessive bending, twisting and external abrasion.

· Use compatible fittings and the correct crimping specifications.

· Inspect regularly for cracks, bulges, leaks and damaged fittings.

Stop using a damaged hose and follow the equipment manufacturer's safety procedures before inspection or replacement.

FAQ

Q1. What is a high pressure hydraulic hose used for?

High pressure hydraulic hoses are used to transfer hydraulic oil or compatible hydraulic fluids in hydraulic systems, including construction machinery, industrial equipment, agricultural machinery and other hydraulic applications.

Q2. What is the difference between braided and spiral hydraulic hoses?

Steel wire braided and steel wire spiral hoses use different reinforcement structures. Their pressure ratings, flexibility and pressure impulse performance depend on the specific product design and applicable specifications.

Q3. What working pressure can your hydraulic hose withstand?

The allowable working pressure depends on the hose series, inner diameter, reinforcement structure and operating conditions. Please provide your required pressure and hose size for model selection.

Q4. Can you supply hydraulic hoses with fittings?

Yes. Hydraulic hose assemblies can be supplied according to compatible hose and fitting specifications, subject to product availability and customization requirements.

Q5. What hydraulic fluids are compatible with your hoses?

Compatibility depends on the hydraulic fluid type, inner tube material, temperature and operating conditions. Please provide the fluid name and relevant technical information for confirmation.

Q6. Can you customize the hose length and fittings?

Yes. Custom lengths and compatible fittings can be evaluated according to customer drawings, samples or technical specifications.

Q7. Do you provide OEM hydraulic hose supply?

Yes. OEM supply and customized product solutions are available according to the confirmed product specifications and order requirements.

Q8. What information is required for a hydraulic hose quotation?

We recommend providing:

Inner Diameter + Working Pressure + Hydraulic Fluid + Temperature + Length + Fitting Type + Quantity

Q9. How do I choose the right high pressure hydraulic hose supplier?

Choose a supplier that can help verify pressure ratings, fluid compatibility, reinforcement structure, fitting specifications and product documentation. The final selection should be based on the actual operating conditions and confirmed product specifications.

Q10. What standards are available for your hydraulic hoses?

Hydraulic hoses may be designed or supplied according to applicable SAE or EN standards, depending on the actual product series. Please specify the required standard so that product compliance can be confirmed.