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Fluid power hydraulics - parts, accesories

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Hydraulic hose Premium 4SH DN25 (1") 380bar

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Price €23.36
incl. 23% VAT

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Manufacturer: SEMPERIT (go to products)
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Description

PREMIUM 4SH DN25 1" 380 bar hydraulic hose

What is a 4SH DN25 1" 380 bar hydraulic hose

The PREMIUM 4SH DN25 1" 380 bar hydraulic hose is a high-pressure line designed for use in demanding power hydraulic systems, where resistance to very high pressure and intensive operation is crucial. This type of hose belongs to the four-braid class of lines, which means the use of four layers of steel braid, providing exceptional mechanical strength and resistance to pressure pulsations. The product is used wherever standard 2SN type hoses prove insufficient, especially in installations with high dynamic loads. In practice, this means working in construction machinery, industrial equipment, and mobile hydraulics, where the working medium is transported under high pressure and in variable conditions. In the Hydron offer, this hose is a solution for professionals who expect reliability, durability, and compliance with international standards.

Construction and design of the 4SH hose

Construction of the 4SH DN25 hydraulic hose has been designed for maximum strength and long service life even in the most demanding operating conditions. The inner core is made of high-quality synthetic rubber resistant to hydraulic oils, which ensures chemical stability and no material degradation during long-term contact with the working medium. The reinforcing layer consists of four spiral steel braids, which are responsible for carrying high working pressures reaching 380 bar. It is this construction that distinguishes the 4SH series from standard hydraulic lines and makes this product the choice for the most demanding applications. The outer cover is made of abrasion and weather-resistant synthetic rubber, which protects the hose against mechanical damage, oils, greases, and the influence of UV radiation. Thanks to this, the line can be used in both indoor and outdoor installations.

Principle of operation in a hydraulic system

4SH hydraulic hose acts as a line transporting the working medium, most often hydraulic oil, between system components such as pumps, hydraulic control valves, or cylinders. Its task is to ensure tight and safe flow of the medium under high pressure without energy loss. Thanks to the use of multi-layer steel braid, the hose effectively compensates for vibrations and pressure pulsations, which are natural phenomena in power hydraulics. Appropriate construction also allows for maintaining flexibility while maintaining high resistance to stretching and bending. In practice, this means stable operation of the entire hydraulic system and reducing the risk of failures that can lead to machine downtime.

Norms and technical standards

The 4SH type hydraulic hose is produced in accordance with international standards that define its technical parameters and quality requirements. The most common standards for this class of products are EN and ISO standards, which define, among others, resistance to pressure, temperature, and operational durability. The 4SH standard refers to the four-braid construction, which means a higher strength class compared to standard 1SN or 2SN type lines. Thanks to this, the user is certain that the product meets the requirements of professional hydraulic installations. Compliance with standards is also a guarantee of compatibility with components such as hydraulic fittings and hose ferrules for crimping lines.

Application of the 4SH DN25 hydraulic hose

The Semperit 4SH DN25 hydraulic hose is widely used in many industrial sectors. It is commonly used in construction machinery such as excavators, loaders, or bulldozers, where high operating parameters are required. In agriculture, it is used in tractors and agricultural machinery, where hydraulic systems are responsible for controlling attachments. In the manufacturing industry, this hose is used in process lines and hydraulic presses. The product is also used in power hydraulics services, where it is used to produce custom hydraulic lines. Thanks to its high resistance to operating conditions, it is perfect for mobile and stationary applications.

Differences from other hydraulic hoses

The 4SH DN25 hose differs significantly from popular lines of type 2SN. The main difference lies in the number of steel braid layers, which translates directly into higher working pressure and greater resistance to mechanical damage. Compared to 1SN and 2SNhoses, the 4SH model is less flexible but much more durable. This means it should be used in places where durability is a priority, not the minimum bending radius. Differences also concern application: 4SH hoses are designed for operation in extreme conditions, while lighter lines are used in less demanding installations.

Most common mistakes in selecting a hydraulic hose

One of the most common mistakes is choosing a hose with a working pressure that is too low relative to the installation requirements. In practice, this leads to rapid wear of the line or even its damage. Another problem is the incorrect selection of the DN diameter, which can cause pressure drops and incorrect operation of the hydraulic system. It is also important to match the appropriate fittings and connectors to ensure the tightness of the connection. A common mistake is also ignoring the operating temperature and the type of working medium, which can lead to material degradation.

FAQ

How to choose the right 4SH hydraulic hose? The selection should take into account the working pressure, DN diameter, and operating conditions, including temperature and type of medium.

Is the 4SH hose suitable for operation in extreme conditions? Yes, it is designed for operation in demanding applications with high pressure and heavy loads.

What is the difference between 4SH and 2SN? 4SH has four steel braids, providing higher strength and greater working pressure.

Can this hose be used in agricultural machinery? Yes, it is widely used in agriculture and construction machinery.

Does Hydron make lines based on this hose? Yes, it is possible to make complete hydraulic lines with appropriate fittings.

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Product Safety

Manufacturer

Semperit Europe GmbH

Am Belvedere 10

1100 Wien, Austria

hoses@semperitgroup.com

Responsible person in the EU

Semperit Europe GmbH

Am Belvedere 10

1100 Wien, Austria

hoses@semperitgroup.com

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