An effective clamping solution relies on both the hose clamp and the pipe fitting. To realise optimal sealing performance, the following points must be taken into consideration before you fit the clamp:
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Barbed profiles are normally best for sealing, however, they are not suitable for thin-walled or low-pressure applications.
Pipe fittings should be sized so that the hose will stretch slightly over the fitting. If you choose an oversize fitting it will be difficult to make it fully tight, but an undersize fitting can loosen to easily or make the hose bunch up
The build-up of pressure within a hose creates axial thrust, which tends to force the hose off the end of the pipe fitting. Therefore, one of the main purposes of a hose clamp is to resist the axial thrust to retain the hose in place.
The level of axial thrust is measured by the pressure generated in the hose, and the square of the hose diameter. To give you an illustration: the axial thrust of a 200mm internal diameter hose is a hundred times more than for a 20mm internal diameter hose.
For this reason, we strongly recommend heavy-duty hose clamps for large diameter hoses, where the pressure is significant. Otherwise, your hose will not remain in place for very long.
It is essential that you tighten any clamp to the correct tension to achieve the right performance. For all Bolt, Screw and Worm Drive clamps, we have provided a maximum torque figure.
It goes without saying that the higher the input torque for a given clamp, the higher the clamping force will be. However, this figure must not be used to compare the relative strength of clamps; as other factors, such as the screw thread and the bands' width also play a part.
We strongly recommend if you are still considering the options that you look at the booklets on our site for the different clamps and clips to ensure that you achieve the recommended tensioning for all of our ranges.
When you tighten a hose clamp, it will squeeze the hose, resulting in compression. The knock-on effect of of this will be distortion of the hose, so it is critical that the clamp is not placed too near to the end of the hose, as there is a risk of leaking or for the clamp to fall off when placed under pressure. We recommend that the any clamp is at least 4mm from the end of the hose, as illustrated below.
More comprehensive information is available in the form of a Technical booklet. If you would like any additional information, or to discuss any options, please contact HCL directly.
Hose clips and clamps are available in several different configurations, each tailored to specific applications and installation requirements. We'll explore some of the most common types of hose clips and clamps below:
Worm drive hose clips, often referred to as worm gear clamps, are one of the most widely used types of hose clips. They feature a stainless-steel band with a screw mechanism that tightens around the hose when turned. Worm drive hose clips are versatile and suitable for a wide range of applications, making them a popular choice for professionals and DIY enthusiasts.
How They Work
Worm drive hose clips work by tightening a stainless-steel band around the hose using a screw mechanism. As the screw is turned, the band constricts, creating a secure and leak-proof connection. Worm drive hose clips are versatile and effective, making them a popular choice for a wide range of applications.
Spring hose clips, as the name suggests, utilise a spring-loaded mechanism to create tension around the hose. They are known for their ease of installation and are often used in applications where frequent hose removal is required, such as in the automotive industry.
How They Work
Spring hose clips utilise a spring-loaded mechanism to create tension around the hose, ensuring a secure connection. The spring action of the clip applies constant pressure, keeping the hose firmly in place. Spring hose clips are known for their ease of installation and are often used in applications where hose removal is required.
Bolt drive hose clamps, also known as T-bolt clamps, feature a bolt and nut mechanism that provides a high level of clamping force. They are commonly used in heavy-duty applications and are ideal for situations that require a secure and reliable connection.
How They Work
Bolt drive hose clamps create a strong connection by tightening a bolt and nut mechanism. This mechanism provides a high level of clamping force, ensuring a secure and reliable connection. Bolt drive hose clamps are commonly used in heavy-duty applications where a strong connection is essential.
Snap grip hose locks, also known as Herbie clips, are characterised by their ratcheting teeth and durable construction. They are typically made from materials like nylon or stainless steel. Snap grip hose locks are commonly used in applications where a strong, but non-corrosive, clamp is required.
How They Work
Snap grip hose locks, or Herbie clips, work by using ratcheting teeth to grip the hose and fitting. The teeth provide a secure connection, and the clip can be tightened further by squeezing the two ends of the clip together. Snap grip hose locks are known for their durability and are commonly used in applications where a strong, non-corrosive connection is required.
Quick release jubilee clips, also known as quick release hose straps, are designed for ease of use and rapid installation. They feature a quick release mechanism that allows for the clip to be opened and closed without the need for additional tools. They are often used in applications where frequent maintenance or adjustments are required.
How They Work
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Quick release jubilee clips create a secure connection with a simple and easy to use quick release mechanism. The mechanism allows the clip to be opened and closed without the need for additional tools, making them ideal for applications where frequent maintenance or adjustments are required.
Pipe tube clamps are a broader category of clamps used to secure pipes and tubes. They come in a variety of different designs, including split ring clamps, cushioned clamps, and u-bolt clamps. Pipe tube clamps are typically used in industrial and plumbing applications.
How They Work
Pipe tube clamps secure and support pipes or tubes by fastening around them with a two-part design – a clamp body and cover. These clamps attach to structures, such as walls or ceilings, preventing movement and vibration. Pipe tube clamps offer a versatile solution for stabilising pipes or tubes in diverse applications, ensuring structural integrity and minimising unwanted motion.
Hose clips and clamps are primarily used to create secure connections between hoses, pipes, and tubing and their corresponding fittings. These components are essential in a wide range of applications where the transfer of fluids or gases is required. We'll explore some of the common applications of hose clips and clamps below:
Plumbing
In the plumbing industry, hose clips and clamps are used to secure various types of pipes and hoses. They are essential for ensuring leak-free connections in both residential and commercial plumbing systems. Hose clips play a critical role in maintaining the integrity of water, gas, and other fluid-carrying pipes.
Automotive
Hose clips and clamps are widely used in the automotive industry to secure hoses in vehicles. They are essential for maintaining the cooling, fuel, and hydraulic systems in cars, trucks, and other types of vehicles. Hose clips help to prevent leaks and ensure the reliable operation of automotive systems.
Industrial Machinery
In industrial settings, hose clips and clamps are used to secure hoses and tubing in machinery and equipment. They play a crucial role in ensuring the safe and efficient transfer of fluids and gases in industrial processes. Hose clips are essential for maintaining the integrity of industrial systems and preventing leaks.
Agriculture
Hose clips and clamps are commonly used in agricultural machinery and irrigation systems. They help to secure hoses and pipes, ensuring a reliable flow of water and other essential fluids in agricultural applications. Hose clips are vital for maintaining the efficiency of agricultural equipment and ensuring proper irrigation.
DIY Projects
Hose clips and clamps are often used in DIY projects for a wide variety of applications. Whether you're working on a home improvement project, repairing a piece of equipment, or building something from scratch, hose clips can be incredibly useful for creating secure connections.
Overall, hose clips and clamps are essential components in a wide range of industries and applications. They play a critical role in ensuring the integrity of fluid and gas transfer systems, making them indispensable for professionals and DIY enthusiasts alike.
Hose clips and clamps are typically made from a variety of materials, each with its own set of advantages and characteristics. The most common materials used for hose clips and clamps include:
Stainless Steel
Stainless steel hose clips and clamps are durable, corrosion-resistant, and suitable for a wide range of applications. They are often used in demanding environments where exposure to moisture or harsh conditions is a concern. Stainless steel hose clips provide excellent strength and reliability, making them a popular choice for professionals.
Mild Steel
Mild steel hose clips and clamps are known for their strength and cost-effectiveness. They are commonly used in automotive and industrial applications. While mild steel hose clips may not offer the same level of corrosion resistance as stainless steel, they are still suitable for many common applications.
Brass
Brass hose clips and clamps are valued for their corrosion resistance and attractive appearance. They are often used in plumbing and decorative applications where both functionality and aesthetics are important. Brass hose clips provide reliable performance in situations where exposure to water is a concern.
Nylon
Nylon hose clips and clamps are lightweight, non-corrosive, and ideal for applications where electrical insulation is required. They are commonly used in situations where a non-metallic solution is preferred, such as in the automotive and electronics industries. Nylon hose clips are also suitable for applications where the risk of scratching or damaging surfaces is a concern.
Each material offers distinct advantages, and the choice of material for a hose clip or clamp depends on the specific requirements of the application. Consider factors such as environmental conditions, exposure to moisture, and the need for corrosion resistance when selecting the right material for your project.
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