In this video, we showcase a variety of interlock hose fittings, highlighting their robust design and superior functionality. The video focuses on the external features of the fittings, demonstrating how each type is engineered to provide secure and leak-proof connections for a range of high-pressure applications. You’ll see how the interlocking mechanism ensures a tight and reliable grip between the hose and fitting, even in the most demanding environments.
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Throughout the video, we explore different fitting configurations and sizes, giving you a clear understanding of how they can be used across various industries such as construction, oil & gas, and manufacturing. Whether you need crimp, bolt, or weld interlock fittings, our video will guide you through their features and advantages, ensuring you choose the right fit for your needs.
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Interlock hose fittings feature a separate socket and nipple. Prior to assembly, both the hose cover and a portion of the inner tube need to be skived (removed). After assembly, the nipple and socket are crimped onto the hose. The socket’s shoulder end features a tooth that presses tightly onto the steel wire reinforcement layer of the hose, which has been skived from the inner tube. This creates a powerful anti-pulling force. The remaining teeth of the socket crimp the hose’s inner tube to the nipple, ensuring a secure seal under high pressure and temperature conditions. These fittings are ideal for use in environments requiring heavy-duty, high-temperature, and high-pressure hose connections, offering durability and performance that withstands the toughest conditions.
Interlock hose fittings comprise two main components: the socket and the nipple, which work together to form a strong, secure connection with the hydraulic hose. Below is a breakdown of their structure and how each part functions:
Socket:
Outer Structure: The socket is typically made of high-strength materials such as carbon or stainless steel, designed to withstand high pressures and harsh environments.
Teeth for Crimping: The socket features several teeth along its inner surface. These teeth engage with the hose during the crimping process to ensure a tight grip and prevent the hose from slipping or leaking.
Shoulder End: The socket has a shoulder end that helps to lock the hose into place securely. One of the teeth at the shoulder end tightly presses against the steel wire reinforcement layer of the skived hose, ensuring an anti-pulling force. This prevents the hose from being pulled off under high pressure.
Nipple:
Groove Design: The nipple is equipped with a specially designed groove that matches the skived inner tube of the hose. The skiving ensures that the steel wire reinforcement layer is securely pressed into the groove during crimping, offering an extra level of anti-pulling protection.
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Material Strength: Like the socket, the nipple is made from durable materials that offer resistance to corrosion and wear, ensuring the connection stays intact under extreme pressure and temperature conditions.
End Shape: The nipple may come in various shapes and thread types (such as BSP, JIC, or SAE) to accommodate different system requirements. It serves as the fitting that attaches to hydraulic components, ensuring compatibility and proper sealing.
Pressure Rating:
Match the fitting’s pressure rating with your system’s requirements. The fitting must be able to handle the maximum pressure of the system with a suitable safety margin. Interlock hose fittings are available in a wide range of pressure ratings, so select one that exceeds your system’s peak pressure to avoid failure.
Application Type:
For high-pressure hydraulic applications like construction machinery, cranes, or excavators, choose fittings that are specifically designed to handle extreme pressures.
For hazardous fluid systems, like chemical or oil transfer, choose fittings with superior sealing features to prevent leaks and potential safety hazards.
For harsh environments with vibrations, high temperatures, or corrosive substances, opt for stainless steel or carbon steel fittings, as they offer enhanced durability and corrosion resistance.
Interlock fittings are used in conjunction with multi-layered wire hydraulic hoses for use in high-pressure hydraulic environments, and Topa’s interlock fittings include a variety of threads and models to meet all your needs.
Interlock fittings are available in stainless steel, carbon steel and steel, depending on the environment in which they are used. However, the quality of all of our fittings is up to standard and you can order with confidence.
Advantages of Topa interlock fittings: