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Hydraulic Hose High Pressure Resistant Flexible Durable And Heat Resistant
Description
The Hongruntong Marine hydraulic oil hose is engineered for high-performance hydraulic systems that require durability, flexibility, and oil compatibility. Its construction includes an oil-resistant inner tube made of nitrile or equivalent synthetic rubber, which ensures chemical stability and long-term resistance to degradation from mineral and synthetic hydraulic oils. The hose is reinforced with multiple layers of high-tensile steel wire braid or spiral, providing exceptional burst-pressure strength and fatigue resistance to withstand high-pressure surges common in hydraulic applications. The outer cover is abrasion-, UV-, and weather-resistant, ensuring protection against mechanical wear, environmental exposure, and chemical contamination. The hose is designed for optimized flexibility with a tight bend radius, allowing installation in confined spaces without compromising performance or reducing service life. Additionally, Hongruntong’s hoses undergo rigorous hydrostatic and impulse testing to verify quality and reliability. This ensures consistent hydraulic performance, leak-free operation, and long-term durability, making them suitable for a wide range of industrial, marine, and mobile hydraulic applications.
Case Study
A large offshore drilling platform faced frequent hydraulic hose
failures on its rig floor due to oil degradation, vibration, and
tight routing constraints. The maintenance team replaced the
existing hoses with Hongruntong hydraulic oil hoses, customized
with multi-layer reinforcement and oil-resistant liners. Over a
24-month monitoring period, the hoses operated continuously without
leaks or bursts, reducing maintenance downtime by 38% and
significantly lowering overall operational costs. The tighter bend
radius allowed easier routing around complex equipment layouts,
minimizing stress at fittings and avoiding kinks. Field inspections
confirmed that the inner liner resisted chemical degradation from
mineral oil contamination, and the abrasion-resistant outer cover
protected the hose from mechanical wear in high-traffic areas. The
success of this installation led the platform’s maintenance team to
recommend Hongruntong hoses for other hydraulic systems,
demonstrating improved reliability, extended service life, and cost
savings.
Specifications
Product Name | Hydraulic Oil Hose |
Material | Grade A++ Natural Rubber, Imported |
Tube | Oil Resistant Synthetic Rubber |
Reinforcement | 1-4 Layers Spirals of High Tensile Steel Wire |
Cover | Abrasion and Weather Resistant Synthetic Rubber |
Temperature Range | -40 deg C to +120 deg C |
Size | From 5mm to 51mm or As Request |
Length | Customized Length |
Logo | Customized Logo Availabled |
Application | Industrial |
Model | I.D | O.D | W.P | B.P | B.R | ||
mm | inch | min | max | mpa | mpa | mm | |
HMHOH-5 | 5 | 3/16 | 11.1 | 13 | 25 | 50 | 100 |
HMMOH-6.3 | 6.3 | 1/4 | 12.7 | 14 | 22.5 | 45 | 90 |
HMMOH-8 | 8 | 5/16 | 14.3 | 16 | 21.5 | 43 | 86 |
HMMOH-10 | 10 | 3/8 | 16.7 | 18 | 18 | 36 | 72 |
HMMOH-12.5 | 12.5 | 1/2 | 19.8 | 21 | 16 | 32 | 64 |
HMMOH-16 | 16 | 5/8 | 22.9 | 25 | 13 | 26 | 52 |
HMMOH-19 | 19 | 3/4 | 26.9 | 29 | 10.5 | 21 | 42 |
HMMOH-25 | 25 | 1 | 34.6 | 37 | 8.8 | 17.6 | 35.2 |
HMMOH-31.5 | 31.5 | 1-1/4 | 42.2 | 45 | 6.3 | 12.6 | 25.2 |
HMMOH-38 | 38 | 1-1/2 | 49.1 | 52 | 5 | 10 | 20 |
HMMOH-51 | 51 | 2 | 62.5 | 66 | 4 | 8 | 16 |
Feature
Oil Resistant Inner Tube
The inner tube is made from high-quality nitrile or equivalent
synthetic rubber designed to resist chemical breakdown when in
contact with mineral and synthetic hydraulic oils. This material
selection ensures minimal tube swelling, hardening, or cracking
over extended periods of exposure to hydraulic fluids. It provides
excellent compatibility with various additives, lubricants, and
contaminants that may enter the system, maintaining consistent
internal diameter for stable fluid flow. By preventing
fluid-induced degradation, the inner tube prolongs hose service
life, reduces leak risk, and minimizes maintenance intervals.
Rigorous testing, including fluid immersion and accelerated aging,
confirms the liner’s durability under continuous high-pressure
operation and varying temperatures.
Multi Layer Steel Wire Reinforcement
Hongruntong hydraulic hoses feature multiple layers of high-tensile
steel wire reinforcement, either braided or spiral, depending on
the hose series and pressure rating. This reinforcement structure
provides superior burst-pressure strength and resistance to
pressure surges (impulse), which are common in hydraulic systems
with actuators and rapid cylinder movement. The reinforced layers
also prevent hose elongation and structural deformation under heavy
loads, ensuring system efficiency and safety. Engineering
calculations and testing ensure the reinforcement maintains
performance under cyclic loading, vibration, and bending. Spiral
wire hoses, for example, offer enhanced pressure capacity for
permanent installations, while braided hoses provide higher
flexibility for mobile equipment. Each layer is precision wound and
tested to guarantee consistent performance and long-term
reliability.
Abrasion and Environmental Resistant Outer Cover
The outer cover is formulated to resist abrasion, UV light, ozone,
and extreme weather conditions. In marine and industrial
environments, hoses are often subjected to external wear, contact
with rough surfaces, and exposure to sunlight and chemicals. The
abrasion-resistant cover protects the reinforcement layers from
mechanical damage, preventing exposure that could compromise burst
strength. UV and ozone resistance ensures that the hose can
maintain flexibility and durability even under prolonged outdoor
exposure. This results in fewer hose replacements, lower
maintenance costs, and enhanced safety for operators. The cover
also features texture and profiling to shed particulates and reduce
the accumulation of contaminants that could damage the hose
surface.
Optimized Flexibility and Tight Bend Radius
Despite its robust construction, the hose maintains high
flexibility and can be routed through tight spaces without kinking.
The combination of flexible tube material, reinforcement geometry,
and cover design ensures that the hose can bend repeatedly without
compromising structural integrity. Proper bend radius reduces
stress on fittings and minimizes fatigue, which is critical in
dynamic installations with vibration or frequent movement. The
flexible design allows engineers to implement complex routing while
maintaining system efficiency and safety, improving overall
equipment uptime. Flexibility testing includes repeated bending
cycles under pressure to verify durability under real-world
conditions
Applications
Marine and Offshore Hydraulic Systems
Used in offshore drilling rigs, deck cranes, and winches, where
hoses must withstand salt-water exposure, vibration, and
high-pressure hydraulic loads. The hoses deliver reliable
performance in harsh marine environments while resisting corrosion,
UV exposure, and abrasive contact.
Mobile Hydraulic Equipment
Applied in excavators, forklifts, cranes, and mobile drilling rigs,
where hoses experience continuous motion, flexing, and
high-pressure impulses. The optimized bend radius and durable
construction reduce fatigue and maintenance requirements in
demanding applications.
Industrial Machinery
Used in presses, injection molding machines, and automated
manufacturing systems, where hydraulic oil hoses handle high
pressure and cyclic loads. Chemical-resistant liners and
abrasion-resistant covers extend hose life while maintaining system
efficiency and reducing downtime.
Why Choose Hongruntong Marine
Proven Industry Expertise and Technical Depth
Hongruntong Marine has over 30 years of experience in manufacturing
and supplying hydraulic hoses for industrial and marine
applications. Their team of engineers provides deep technical
expertise in fluid power systems, enabling precise specification
and design of hoses for varying pressures, temperatures, and
environmental conditions. This experience ensures that hoses meet
the stringent demands of offshore, mobile, and industrial hydraulic
systems.
Customized Engineering and Rigorous Testing:
The company offers full customization, including tube material
selection, reinforcement type, bend radius, end fittings, and
certification. Each hose undergoes hydrostatic, impulse, and
dimensional testing to verify burst strength, fatigue resistance,
and fluid compatibility. Hongruntong engineers provide design
consultation to ensure each hose meets operational requirements,
reducing installation issues and preventing premature failure.
Global Standards Compliance and Quality Assurance
All hoses are manufactured in accordance with international
standards, ensuring safety, reliability, and traceability.
Documentation includes test certificates, material specifications,
and assembly records. This guarantees that each hose meets customer
and regulatory requirements, providing confidence in performance
for critical applications such as offshore platforms or heavy
industrial machinery.
Comprehensive Lifecycle Support
Hongruntong provides end-to-end support, from design and
manufacturing to delivery, installation guidance, and after-sales
service. Maintenance advice, inspection protocols, and spare parts
availability allow clients to manage hoses throughout their
operational lifecycle. This support reduces downtime, ensures long
service life, and enhances safety while maximizing return on
investment.
FAQ
1. What working pressure ranges are available?
Hongruntong hydraulic hoses are available in medium to
high-pressure ratings, typically from 3000 psi up to 10000 psi,
depending on hose series and reinforcement type. The selection is
based on system operating pressure and safety factors.
2. How do I ensure fluid compatibility?
Clients must provide the type of hydraulic oil (mineral, synthetic,
fire-resistant, water-glycol) and operating temperature range.
Hongruntong engineers match the inner tube compound to the fluid to
ensure long-term chemical resistance.
3. What is the expected service life?
Service life depends on pressure cycles, vibration, temperature,
and routing. With proper specification and installation,
Hongruntong hoses significantly exceed standard lifespans, reducing
replacement frequency and maintenance cost.
4. Can the hoses be customized?
Yes. Hoses can be supplied with custom lengths, fittings, and
assembly options. Factory-crimped assemblies ensure proper
installation, reduce leakage risk, and save field assembly time.
5. What maintenance is recommended?
Regular inspections for abrasion, leaks, bulges, and fitting
integrity are advised. Replace hoses showing wear or aging signs to
prevent failure. Following recommended routing and bend radius
practices further extends service life.