Construction Machinery Hose Assembly

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Product Introduction

The construction machinery hose assembly is a key connection component specially designed for the hydraulic and fluid transmission systems of construction machinery equipment such as excavators, cranes, loaders, etc. It is made by permanently pressing high-performance rubber hoses and metal joints through precise processes. As the "hydraulic artery" of the equipment, it is responsible for reliably transporting high-pressure hydraulic oil, lubricating oil, fuel oil and other media under harsh working conditions, and is a core element to ensure the normal operation and efficient operation of the equipment.

Core Features And Advantages

Outstanding high voltage resistance and pulse performance

The assembly is reinforced with multiple layers of high-strength steel wire braiding or winding, endowing it with extremely high pressure resistance strength (typically covering a medium pressure range of 16MPa to an ultra-high pressure range of 51MPa and above).

It features excellent pulse fatigue resistance, capable of withstanding frequent pressure shocks and fluctuations in the system, ensuring a long service life and high reliability under dynamic operation.

Outstanding Environmental Adaptability

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Wear-resistant and tear-resistant

The reinforced outer rubber layer can effectively resist friction and scraping with objects such as rocks and sand.

Weather resistance and ozone resistance

It is suitable for outdoor operations under the sun, rain, extreme heat and cold, and has strong anti-aging performance.

Oil resistance and compatibility

The inner rubber layer is specially designed for transporting petroleum-based media (hydraulic oil, lubricating oil, fuel oil), with anti-swelling and anti-corrosion properties.

Optimized Design And Ease Of Use

It has good flexibility, which is convenient for pipe laying and installation in the compact space of the equipment, and can effectively absorb system vibration and noise.

We offer a variety of joint forms (such as flanges, 24° cones, male and female threads, etc.) to meet the connection requirements of different equipment.

Detailed Explanation Of Product Structure

A high-quality construction machinery rubber hose assembly is a precise multi-layer composite structure:

Inner rubber layer

In direct contact with the medium, synthetic rubber with excellent oil resistance (such as NBR) is used to ensure sealing performance and medium compatibility.

Reinforcing layer

Core pressure-bearing structure, made of high tensile steel wire braided/wound from layer I to layer VI, providing burst strength and pulse life.

Outer rubber layer

Protective layer, made of wear-resistant and weather-resistant synthetic rubber (such as CR, CSM), to resist external physical damage and environmental erosion.

Joint

Usually made of carbon steel or stainless steel, it is firmly combined with the rubber hose through crimping technology to form a whole, ensuring no leakage at the connection.

Main Application Fields

Construction machinery rubber hose assemblies are widely used in various mobile devices and industrial fields

Core construction machinery

Excavator: Main hydraulic systems such as boom, bucket arm, slewing and traveling.
Crane: Main hoisting, luffing, telescopic and slewing hydraulic systems.
Hydraulic systems for steering and working devices of equipment such as loaders, bulldozers and rollers.

Other heavy equipment

Mining equipment, metallurgical forging and pressing machinery, injection molding machines, agricultural machinery.

Fluid transportation

It is used for conveying fuel oil, lubricating oil, water-based liquids (emulsions), etc.

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