Construction
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.
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
| Availability: | |
|---|---|
| Quantity: | |
ISO18752-642
LEAD-FLEX
The LEADFLEX ISO18752-642 Hydraulic Hose is a high-performance product by LEAD-FLEX, built to excel in high-pressure hydraulic systems. Compliant with the ISO18752 standard, it addresses the needs of applications where standard hoses fail to handle elevated pressure. Its construction features an oil synthetic rubber inner tube—a material that resists hydraulic fluid degradation, ensuring smooth flow even under intense pressure. Reinforcing this inner tube are four layers of spiral wire, a robust design that prevents deformation and maintains structural integrity at high pressure levels. The outer layer is an oil and weather resistant rubber cover, protecting against external damage from oil, weather, and mechanical scrapes—making it ideal for heavy-duty settings.

Higher Working Pressure: The LEADFLEX ISO18752-642’s standout feature is its higher working pressure, making it suitable for heavy-duty systems like mining machinery or industrial presses.
Superior Burst Pressure Safety: It boasts an impressive burst pressure, a critical safety feature that prevents catastrophic failures during unexpected pressure spikes.
Exceptional Impulse Cycle Resistance: The spiral wire reinforcement delivers excellent impulse cycle resistance, with the DC series supporting over a million cycles—ensuring long-term reliability.
Wide Temperature Adaptability: It functions from -40℃ to +120℃, adapting to cold storage and hot job sites. For water, it stays stable between 0℃ and 70℃.
Durable Outer Layer: The oil and weather resistant outer cover extends lifespan by shielding against environmental damage, reducing maintenance costs.
Customization Options: Customization on specific parameters is available, allowing tweaks to fit unique high-pressure application needs.
This hose is designed for high-pressure hydraulic fluid conveyance, making it essential for systems that demand reliability under intense pressure. Key uses include transporting glycol, mineral oil, lubrication fluids, emulsions, and hydrocarbons in:
Mining Machinery: Hydraulic shovels and loaders, where high pressure is needed for heavy lifting.
Industrial Presses: Manufacturing presses that rely on intense pressure to shape materials.
Heavy-Duty Construction: Bulldozers and cranes, where pressure resistance and durability are critical.
Mobile Heavy Equipment: Agricultural tractors with high-pressure attachments like plows or lifts.
Critical Note: It cannot convey phosphate ester groups, as these fluids damage the inner tube.
Its higher working pressure, superior burst pressure, and four-layer spiral wire reinforcement enable it to handle intense pressure without failure—unlike standard hoses.
It works with glycol, mineral oil, lubrication fluids, emulsions, and hydrocarbons. Avoid phosphate ester groups to prevent damage.
It operates from -40℃ to +120℃ for most fluids. For water, use between 0℃ and 70℃.
It fully complies with the ISO18752 standard, ensuring global quality and safety for high-pressure hydraulic systems.
The LEADFLEX ISO18752-642 uses materials optimized for high pressure. The oil synthetic rubber inner tube is compatible with most hydraulic fluids, while four-layer spiral wire reinforcement provides the strength to handle elevated pressure without losing flexibility. It is available in AC, BC, CC, and DC series—each tailored to different impulse cycle and temperature needs, with the DC series offering the highest tolerance. The outer rubber cover resists oil, weather, and abrasion, and all versions comply with the ISO18752 standard, ensuring pressure ratings, bend radius, and material quality meet global standards. Its minimum bend radius allows flexible installation in tight spaces, and it fits standard hydraulic fittings for easy integration.
Product Series | Optional type | ID(mm) | Hose OD | W.P | B.P | Min.B.R | |||
Part Number | max | mm | Mpa | Map | mm | ||||
628-6 | AC | BC | CC | DC | 6.4 | 11.3 | 13.2 | 28 | 112 |
628-8 | AC | BC | CC | DC | 7.9 | 12.7 | 14.7 | 28 | 112 |
628- 10 | AC | BC | CC | DC | 9.5 | 15.2 | 16.8 | 28 | 112 |
628- 13 | AC | BC | CC | DC | 12.7 | 18.5 | 20.3 | 28 | 112 |
628- 16 | AC | BC | CC | DC | 15.9 | 21.6 | 23.6 | 28 | 112 |
628- 19 | AC | BC | CC | DC | 19 | 25.7 | 27.7 | 28 | 112 |
628-25 | CC | DC | 25.4 | 35.5 | 37.8 | 28 | 112 | ||
628-32 | CC | DC | 31.8 | 42.4 | 44.4 | 28 | 112 | ||
628-38 | CC | DC | 38.1 | 49.3 | 52.5 | 28 | 112 | ||
628-51 | CC | DC | 50.8 | 67.8 | 71 | 28 | 112 | ||