Hoses' greatest advantage is its flexibility. When you need tubing to change direction, you have to bend it or put an adapter elbow on it. That can affect flow rates and increase pressure drop. These added components also add to the overall cost. A PTFE hose with a similar pressure capability may eliminate the need for joints and elbows. In a jet airliner, PTFE is likely to be the major fuel line. In the event of an accident, a flexible fuel line won't crack and cause a fire hazard.
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Flexible hose lets you easily deal with an offset between any two elements of your system. As caulk is to a carpenter, hoses are to fluid system designers and installers.
PTFE is also tough. It's corrosion resistant and easily cleaned. If you don't physically abuse it, it can last for decades. It also doesn't conduct heat as readily as stainless steel tubing, giving you an extra measure of insulation.
There are several important considerations when you are selecting the right hose for your application.
Hose core
The hose core is the most important layer. You can select between come in metal, silicone, nylon, fluoropolymers and various kinds of rubber hoses. Whatever core material you select comes into direct contact with your system fluids, so the materials must be compatible. Primary considerations are chemical compatibility, fluid temperature range, permeability, and maintenance and cleaning of the hose in your application.
Hose reinforcement
Hose reinforcement takes into consideration the stress your application will put on the hose. What kind of pressure will it be dealing with? Does it need to twist or bend? What kind of weight will your hose have on it? We make a range of hose reinforcements with materials that are compatible with different fluids and applications. Be sure to select carefully.
Hose cover
The hose cover protects your hose from kinking, abrasion, permeation, and extreme temperatures. Hose cover options include:
Stainless steel Armor Guard covers offer flexible protection against hose damage from the movement of gas cylinders. It protects the hose in applications that might put a crushing force on the hose. The strength of steel protects the entire length of the hose from kinking without impairing hose flexibility.
Fire Jacket covers are woven fiberglass coated with silicone rubber. This material protects and insulates the hose from internal temperature extremes. It guards against molten splashes and flames, and helps resist hydraulic or lubricating oils.
Nano-Gel Cover protects hose from freeze-ups in cryogenic service.
Add Spiral Guard covers made from helical plastic to hoses already in service. This cover is a quick way to add flexible protection from abrasion. You can add it to the entire hose, or just to the ends.
Spring Guard is highly flexible and made from helical stainless steel. It helps your hose resist kinking and abrasion. You can add Spring Guard hose cover to the ends or to the entire hose.
Thermosleeve is a braided fiberglass cover saturated with a synthetic coating. This cover prevents direct contact with the hose, protecting users handling this hose in high-temperatures. It also protects the hose from weld splatter, ultraviolet light, and abrasion.
Hose End Connections
Be sure to pick a hose that eliminates the need for adapters to make your hose easy to install and maintain. Consider industry standards and system specs while you are making this important decision.
Swagelok can put almost any type of connection on the end of our flagship PTFE hose. We use a crimping process rather than swaging, which used to be the standard. During assembly we use a circumference compression die with eight segments. The die compresses the ferrule to the end connection, preventing pull-off. This also allows the hose to maintain its pressure rating because it results in less deformation of the hose compared than swaging. At Swagelok, each hose has its own crimp specification. We test them to ensure that we maintain the proper inside diameter.
Metal hoses and their components can be found in various industries, from manufacturing to aerospace. It is mainly due to their flexible, durable, and robust nature that they help to withstand high temperature and pressure applications and situations.
Have you ever wondered about the versatility of metal hoses and the unique ways they can be used?
Choosing the right metal hose for your needs can be challenging. This is because of two crucial reasons; the technical details involved and the wide range of options available.
Therefore, in this article, we’ll dive into the different types of metal hoses and explore their wide range of applications. So, let’s get started.
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One type of metal hose is the corrugated metal hose. Made from stainless steel, these hoses are designed with parallel ridges and grooves that give them exceptional flexibility. This unique design allows the hose to bend and flex without losing its original shape or form.
Corrugated metal hoses are primarily used in environments with high temperatures and pressures. Usually, they’re found in chemical, petrochemical, and oil and gas industries. This is mainly because of their exceptional durability against corrosive chemicals and extreme heat.
When excellent crush resistance or high tensile strength is required, Stripwound metal hoses are the best choice. These hoses are made from interlocked metal strips and are known for their durability and strength. The interlocked metal strips provide excellent resistance to abrasion and mechanical stress.
Although they are less flexible than corrugated metal hoses, their robust design makes them ideal for applications requiring protection from external damage or for conveying materials like granules, chips, or other abrasive substances.
Their robust construction makes them ideal for demanding environments, such as construction, mining, and transportation, where they must withstand rough handling and harsh external conditions.
Metal Bellows Expansion Joints are an essential part of piping systems. These components are designed to manage the movement caused by thermal expansion and contraction. When pipes heat up, they expand, and when they cool down, they contract. Without something to absorb this movement, the stress could cause the pipes to crack or break over time.
This is where metal bellows expansion joints come in. These flexible joints are made from corrugated metal that can expand and contract along with the pipes, absorbing the movement and preventing damage.
By doing so, they protect the integrity of the entire piping system, ensuring it operates smoothly and safely, even under varying temperature conditions. Their importance is especially evident in industries where temperature changes are common, such as power plants, chemical processing facilities, and HVAC systems, making them a crucial element in maintaining the longevity and reliability of piping networks.
Metal bellows can be categorized into several types based on their construction and application:
Not all metal bellows are the same and can be used for different applications and purposes. Each type has a unique property that makes it suitable for only a specific type of usage. Therefore, it is important to have a better understanding when selecting the right joint for your system.
Regarding high durability and versatility, nothing else comes close to stainless steel hoses. Also known as SS hoses, these components are made from high-quality stainless steel which helps them withstand corrosion, high pressure, and temperatures.
Stainless steel hoses are used in a wide range of applications, including:
Stainless steel hoses can maintain their performance and efficiency over extended periods due to their ability to withstand harsh conditions. This makes them an ideal choice for industries such as automotive and aerospace.
To achieve optimal performance, efficiency, and longevity, you need to select the correct type of metal hose for your applications.
You can also go with corrugated metal hoses that offer greater flexibility and are the perfect choice for usage where high temperatures and pressures are expected. Stripwound metal hoses provide excellent durability and protection in rough handling situations.
As for the thermal expansions, the metal bellow expansion joints provide the best support for managing the pipes and preventing any haphazard.
Moreover, stainless steel hoses, on the other hand, offer great versatility and durability across multiple industrial applications.
Incorporating suitable metal hoses into your systems can enhance efficiency, safety, and reliability, ensuring smooth operations across your industrial processes.
If you are looking for expert guidance while choosing metal bellows or expansion joints for your systems, Inflex Hydraulics is here to assist you. Our team of experienced and highly trained professionals is dedicated to helping you find the perfect solution tailored to your specific needs.
We understand the complexities involved in choosing the right components, and we’re committed to providing you with the best options to ensure your systems run smoothly and efficiently.
Whether you’re dealing with challenging temperature fluctuations or seeking durable, long-lasting solutions for demanding environments, our experts are here to help.
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