This hose consists of an inner tube of oil synthetic rubber, four layers of spiral wire reinforcement, an oil and weather resistant rubber cover. One braid≥300,000 impulse cycles, two braids ≥500,000 impulse cycles, four braids ≥1000,000 impulse cycles. ISO18752-621 has stable working pressure 22.5MPa for all kinds of size.
The LEAD-FLEX ISO18752-621 hydraulic hose is a premium high-performance product engineered for demanding industrial applications that require exceptional pressure resistance, temperature tolerance, and longevity. Compliant with the ISO18752 standard, this hose features a synthetic rubber inner tube for superior fluid compatibility, four-layer spiral wire reinforcement for maximum strength, and an oil and weather resistant rubber cover for robust protection. Designed to excel in high-pressure, high-temperature environments, the ISO18752-621 hose delivers consistent performance in critical systems, making it the preferred choice for heavy-duty machinery, industrial equipment, and long-term operation scenarios.
Criterion
AC series operating temperature -40℃-+100℃ pulse times ≥ 300,000 times;
BC cc series operating temperature -40℃-+100℃ pulse times ≥ 500,000 times;
CC cc series operating temperature -40℃-+100℃ pulse times ≥ 700,000 times;
DC series operating temperature -40℃-+120℃ pulse times ≥1 million times
Product Advantage
Four-Layer Spiral Wire Reinforcement
The standout feature of the ISO18752-621 hydraulic hose is its four-layer spiral wire reinforcement, which provides unmatched pressure resistance and structural stability. This design enables the hose to handle high working pressures reliably, reducing the risk of bursts or leaks in critical applications.
High-Temperature Resistance
Engineered to operate in a broader temperature range, this hose withstands elevated temperatures without compromising performance. The heat-resistant materials of the inner tube and outer cover prevent degradation, making it suitable for high-temperature industrial processes and equipment.
Extended Impulse Cycle Life
With a design optimized for long-term use, the LEAD-FLEX ISO18752-621 hose boasts an extended impulse cycle life. The four-layer spiral wire reinforcement enhances durability, allowing the hose to withstand repeated pressure cycles without fatigue, reducing maintenance and replacement frequency.
Stable Working Pressure
Unlike hoses with variable pressure performance, this ISO18752-621 hose maintains a stable working pressure across all sizes. This consistency ensures reliable operation in systems where pressure stability is critical, such as heavy-duty hydraulic machinery.
Premium Material Quality
Every component of the hose—from the synthetic rubber inner tube to the oil and weather resistant outer cover—is crafted from high-grade materials. This premium construction ensures resistance to abrasion, chemicals, and environmental damage, extending the hose’s service life in harsh conditions.
Product Uses
Heavy-Duty Hydraulic Systems
In construction machinery, mining equipment, and industrial presses, the ISO18752-621 hose is a critical component, conveying high-pressure hydraulic fluids to power heavy-duty cylinders, motors, and pumps. Its four-layer spiral wire reinforcement handles extreme pressures, ensuring safe and efficient operation of large-scale equipment.
High-Temperature Industrial Applications
For manufacturing processes involving high temperatures—such as metalworking, plastic molding, and power generation—the hose’s high-temperature resistance makes it ideal. It reliably conveys hydraulic fluids in systems where operating temperatures are elevated, preventing hose degradation and ensuring consistent performance.
Long-Term Operation Machinery
In continuous-operation equipment like conveyor systems, production line automation, and utility generators, the hose’s extended impulse cycle life shines. It withstands repeated pressure cycles without fatigue, reducing downtime for maintenance and replacement, and supporting uninterrupted workflow.
Critical Hydraulic Conveyance
In aerospace, defense, and precision manufacturing, where reliability is non-negotiable, the LEAD-FLEX ISO18752-621 hose delivers consistent performance. Its stable working pressure and durable construction make it suitable for critical hydraulic systems that demand zero failures.
FAQ
What is the key difference between the ISO18752-621 hose and standard hydraulic hoses?
The primary difference is the four-layer spiral wire reinforcement, which provides superior pressure resistance, stability, and impulse cycle life compared to standard single or double-layer reinforced hoses. Additionally, it complies with the ISO18752 standard for global quality assurance.
What is the maximum temperature the hose can withstand?
The LEAD-FLEX ISO18752-621 hose operates reliably up to high temperatures, making it suitable for high-heat industrial applications. It also maintains flexibility and performance in low-temperature environments, offering broad temperature adaptability.
Can the hose be customized for specific applications?
Yes. LEAD-FLEX supports customization of the ISO18752-621 hose on specific parameters, including length, fittings, and other details, to meet the unique needs of different industries and equipment.
Is the hose resistant to chemical exposure?
The oil and weather resistant outer cover and synthetic rubber inner tube provide resistance to common industrial chemicals, oils, and fluids. However, it is not compatible with phosphate ester groups—always check media compatibility before use to ensure optimal performance and longevity.
Technical Parameters
The ISO18752-621 hydraulic hose features a advanced four-layer construction: a synthetic rubber inner tube that offers excellent compatibility with hydraulic fluids and resists corrosion, four layers of spiral wire reinforcement that deliver exceptional pressure resistance and structural integrity, and an outer cover made of oil and weather resistant rubber for comprehensive protection. The hose is compliant with the ISO18752 standard, ensuring adherence to global quality and performance benchmarks. It operates within a wide temperature range, accommodating high-heat and low-temperature environments, and is compatible with glycol, mineral oil, lubricants, emulsions, and hydrocarbons. Notably, it is not suitable for phosphate ester groups. The hose’s design prioritizes long-term reliability, with an extended impulse cycle life that supports continuous operation in demanding applications.
