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Metal hose

Metal hose is a pipe component with good flexibility, high temperature resistance, pressure resistance, corrosion resistance and other characteristics, usually made of metal materials such as stainless steel or alloy steel. It consists of multi-layer metal bellows, braided mesh and sealing rings, and is widely used in pipeline systems for connection, compensation, sealing, shock absorption and protection. Metal hose can play an important role in various complex working conditions (such as high temperature, high pressure, vibration, corrosion and other environments) to ensure the normal operation of the pipeline system. The core function of metal hose is bending and scalability, which is suitable for displacement and vibration absorption of pipelines. It is widely used in many industries such as petrochemical, steel metallurgy, electric power, mechanical equipment, aerospace, and automobiles.

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+86 15733710333

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info@global-flange.com

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1. Product features:

Excellent flexibility and elasticity:
The bellows structure of the metal hose can withstand axial, lateral and angular displacements, and has good elasticity, which can effectively absorb the expansion, contraction and vibration caused by the temperature difference of the pipeline.

High temperature resistance:
The metal hose can withstand high working temperatures, usually between -196℃ and 800℃, and is suitable for high and low temperature environments.

Corrosion resistance:
Made of corrosion-resistant materials such as stainless steel and alloy steel, the metal hose can withstand the corrosion of chemical media such as acids, alkalis, and salts, and is suitable for the transportation of various corrosive gases and liquids.

Pressure resistance:
The metal hose has strong pressure resistance, is suitable for use in high-pressure environments, and can withstand greater internal and external pressures.

Shock reduction and noise reduction:
Because the metal hose has good elasticity and flexibility, it can effectively absorb pipeline vibration and reduce mechanical noise, ensuring the stable operation of the equipment.

Anti-aging and wear resistance:
The metal hose has strong anti-aging and wear resistance, and can withstand long-term use without deformation or damage.

Flexible installation: Metal hose has excellent bendability and is easy to install, suitable for piping systems in narrow spaces or complex environments.

 

2. Technical parameters:

Material Stainless steel (304, 316, 316L, etc.), alloy steel, copper, aluminum, etc.
Specification DN6 ~ DN3000, customized according to customer requirements
Pressure level PN6 ~ PN250, the specific pressure level is selected according to the use requirements
Temperature range -196℃ ~ 800℃ (Specific range depends on the selected material and design)
Wall thickness Usually 0.2mm ~ 1mm, customized according to pressure and temperature requirements
Connection Flange connection, threaded connection, clamp connection, welding, etc.
Structural form Single bellows, double bellows, braided mesh enhanced type, etc.

 

3. Common types:

Single corrugated metal hose:
Suitable for applications that need to withstand small displacement and pressure, usually used for general pipeline connections.

Double corrugated metal hose:
The double-layer corrugated tube increases its strength and is suitable for larger displacement or pressure environments.

Woven mesh metal hose:
Add a woven mesh layer to the outer layer of the corrugated tube to enhance the pressure resistance and tensile strength of the metal hose, which is suitable for high pressure and high temperature environments.

Inner and outer double-layer corrugated metal hose:
Combined with the inner and outer two-layer corrugated structure, it provides stronger pressure and sealing capabilities and is suitable for particularly harsh working conditions.

Stainless steel metal hose:
Made of stainless steel, it has good corrosion resistance and oxidation resistance, and is suitable for corrosive environments such as chemical and petroleum.

 

4. Application areas:

Petrochemical:
Metal hoses are often used in the connection parts of oil and natural gas pipelines and chemical equipment. They can withstand high temperature and high pressure environments and prevent vibration and expansion of pipelines.

Metallurgical industry:
In high temperature and high pressure environments such as steel smelting, metal hoses can withstand extremely high temperatures and pressures to ensure the safe operation of pipeline systems.

Power industry:
In steam pipes, cooling water pipes, etc. in power plants, metal hoses can effectively absorb the expansion and vibration caused by temperature differences in pipes, ensuring the stability of the pipe system.

Mechanical equipment:
Metal hoses can be used for the connection and shock absorption of mechanical equipment, reducing the impact of mechanical vibration on equipment, and improving work efficiency and equipment life.

Construction industry:
In construction, metal hoses can be used for pipe connections in water supply and heating systems, especially for pipes that require flexible installation and withstand temperature expansion.

Aerospace:
Metal hoses are used in the aerospace field for fuel delivery, cooling systems, and electrical equipment connections, requiring excellent high temperature resistance, corrosion resistance, and vibration resistance.

Automotive industry:
Metal hoses are used in automobile engine exhaust systems, cooling systems, and fuel systems, and can effectively withstand high temperature and high pressure and absorb vibration.

 

5. Advantages:

Excellent flexibility:
Metal hoses have good bending and elasticity, can effectively absorb the expansion, contraction, and vibration caused by the temperature difference of the pipe, and are suitable for a variety of working conditions.

Strong pressure and temperature resistance:
It can be used in extremely high temperature and pressure environments, with excellent high temperature and high pressure resistance.

Corrosion resistance: Made of materials such as stainless steel and alloy steel, metal hoses have strong corrosion resistance and are suitable for conveying corrosive media such as acids, alkalis, and salts.

Shock absorption and vibration resistance: Metal hoses have strong vibration resistance and can effectively reduce the impact of pipeline vibration on equipment.

Flexible installation: Metal hoses have strong flexibility and can adapt to pipeline connections in complex environments, simplifying the installation process.

Durability: Made of high-quality metal materials, metal hoses have a long service life and reduce maintenance costs.

Quality assurance: Our metal hose products are designed, manufactured and tested in strict accordance with international standards to ensure the stable quality of each product. All products will undergo strict performance tests before leaving the factory, including pressure resistance, temperature resistance, corrosion resistance and other tests to ensure their excellent performance in different environments.

 

6. Packaging and transportation:

Packaging: Metal hoses are usually packaged in protective packaging, such as wooden boxes, bubble films, pallets, etc., to ensure that they are intact during transportation.
Transportation: We provide a variety of transportation methods such as sea, air, and land transportation to ensure that the products arrive on time according to customer needs.

 

7. Notes:

Inspection before installation:
Before installation, check whether the metal hose has obvious damage or cracks to ensure its performance.

Installation requirements:
During the installation process, the metal hose should be prevented from being overstretched or compressed to ensure its normal working condition.

Regular maintenance:
Regularly check the connection part and external state of the metal hose to ensure its sealing and pressure resistance.

Working environment:
Choose the appropriate type of metal hose according to the use environment to ensure its adaptability under extreme temperature, pressure and chemical medium conditions.

 

8. Summary:
Metal hoses are widely used in petrochemical, electric power, metallurgy, machinery, aviation and other industries for their excellent flexibility, high temperature resistance, corrosion resistance and pressure resistance. Whether it is pipeline compensation, vibration reduction and noise reduction, or sealed connection, metal hoses can play an important role in complex and harsh working environments to ensure the safe and efficient operation of equipment and pipeline systems.

Production Process

Material Cutting

Medium Frequency Heat Forming

Calibration

Heat Treatment

Final Processing

Non-destructive Testing

Surface Treatment

Coating and Marking

Packaging and Delivery

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