Flexible metal hoses are an essential component in aerospace engineering, as they are used for the conveyance of fluids and air in extreme environments. These hoses are designed to withstand extreme temperatures and pressures while maintaining flexibility to accommodate the movements of the aircraft.

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There are many different types of flexible metal hoses available on the market, and it is important to choose the right one for your project. AMETEK FMH is one of the longstanding and premier manufacturers of flexible metal hose assemblies.

Flexible metal hoses are constructed entirely from metal, with options available in stainless steel, Inconel, or titanium. They are typically rolled and welded, pressure formed, and may be seamless if required. The temperature range of these hoses is from -420°F to +1,200°F (-251°C to +649°C), with sizes ranging from ¼” – 36” ID (0.64cm – 91.33cm ID). The hoses may include braid wire or a combination of ducting where needed.

One of the most important features of flexible metal hoses is their performance capabilities. They can withstand pressures of up to 5,000psi in fluid and up to 16,000psi in air, making them ideal for high-pressure, high-temperature, and high-vibration environments. These hoses are used in a wide range of applications, including bleed air ball joints, exhaust seals, and flexible metal hoses.

When choosing a flexible metal hose, it is essential to consider the specific requirements of your project. Some hoses may be fire-resistant, while others may be custom designed for specific applications, including qualification testing, or built to print. Additionally, the number of layers and the size of the hose may also vary depending on the application.

In conclusion, choosing the right flexible metal hose is crucial to ensure the proper functioning and safety of aerospace systems. When selecting a flexible metal hose, it is important to consider the specific requirements of the application, the materials used in construction, and the performance capabilities of the hose. By carefully evaluating these factors, you can select the right flexible metal hose for your aerospace project. AMETEK FMH has been a leading choice of top industry companies for a number of years because of the quality of each hose products. 

When to Use Flexible Metal Hoses

Posted: December 17, | Category: Flexible Hoses

When installing a piping or chemical transfer system, it can be useful to know how to make the best use of the different components that are being implemented. Knowing when to use flexible metal hoses can help you to ensure that you have installed the right materials in the proper locations and that your system will last for as long as possible and will be as efficient as it can be. At Flextech Industries, we manufacture a range of different types of flexible metal hoses to meet a variety of applications.

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Different Applications for Flexible Metal Hoses

There are many applications that could require the installation of a flexible metal hose, and hoses are available in many different sizes, structures, and materials to suit all kinds of situations. Some of the circumstances in which flexible metal hoses should be used include:

Flexibility Requirements

If you need a hose to be able to wrap or flex around a certain obstacle and regular fittings will not do the trick, a flexible metal hose might be the best way to go.

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Fire Concerns

If there is a risk of fire and chemicals or gasses need to be contained, a flexible metal hose is usually a better option than other types of hose. Many types of metal hoses can maintain their integrity under high heat circumstances, making them ideal for fire resistance.

Vacuum Systems

While many other types of hose will collapse under vacuum pressure, a flexible metal hose can usually maintain its shape and allow materials to flow through it.

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Extreme Temperatures

If the materials passing through a hose are either extremely hot or extremely cold, a metal hose might be the best choice. Many other hose systems could be compromised by the temperature of materials or the surrounding environment, while flexible metal hoses are designed to handle these temperatures.

Chemical Optimization

Certain chemicals are corrosive or harmful to particular materials but are compatible with other materials. Check to make sure that the chemicals that you are moving through your system are compatible with the housing and hoses that you plan on using. In many cases, certain types of flexible metal hoses will be required.