topa hydraulic fitting manufacture logo
Free Quotation

Interlock Hose Fittings Factory in China

  • High-temperature resistance

  • High-pressure resistance

  • Corrosion-resistance

  • Durable

Contact Us

Products List

Topa offers a full range of internlock fittings, including metric interlock fittings, BSP interlock fittings, NPT interlock fittings, JIC interlock fittings, flange interlock fittings, and JIS interlock fittings. Our fittings can meet all your needs, please contact us for more information！

BSP interlock hose fitting Topa

BSP Interlock Hose Fitting

BSP thread interlock fitting, straight/45-degree/90-degree.

JIC interlock hose fitting Topa

JIC Interlock Hose Fitting

JIC thread interlock fitting, straight/45-degree/90-degree.

NPT interlock hose fitting Topa

NPT Interlock Hose Fitting

NPT thread interlock fitting, for use with hydraulic hoses.

Metric interlock hose fitting Topa

Metric Interlock Hose Fitting

Metric thread interlock fitting, straight/45-degree/90-degree.

Flange interlock hose fitting Topa

Flange Interlock Fitting

Code 61/62, 9000psi interlock fitting, straight/45-degree/90-degree.

Topa interlock hose ferrule

Interlock Hose Ferrule

Interlock hose ferrule, for use with interlock hose fittings.

Double connector interlock fitting Topa

Interlock Double Connector

Double connector interlock hose fitting is usually used to connect two hoses.

Interlock Hose Fitting Video

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.

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.

Click the video below to view our interlock hose fittings in action! After watching, don’t hesitate to contact us for more information or place an order to experience the superior quality and performance of our products.

Interlock Hose Fittings Application

Interlock hose fittings are designed to meet the demanding needs of high-performance hydraulic and fluid systems. Their robust build and leak-proof design make them ideal for a variety of challenging environments.  

oil and gas interlock fittings

Oil and Gas

Hydraulic interlock hose fitting are resistant to high pressure and high temperature and are not easily corroded by fluids after special treatment.

industry interlock fittings Topa

Industry

Interlock hose fittings can be used in fixed or narrow positions in major hydraulic applications in factories. They can provide a leak free seal.

oil and gas interlock fittings

Mining

Mining application needs high-pressure resistance and durale interlock fittings, and Topa can offer all kinds of interlock hose fittings.

Get a Custom Quote Today!

Ready to upgrade your hose fittings? Contact us today for more information or place your order now!
Contact Us

Interlock Fittings Features

Interlock Fittings working principle

Working Principle

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.

Structure

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.

Interlock Fittings Structure
Interlock Fitting structure

Structure

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.

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.

Contact Us

Why Choose Interlock Hose Fittings

Interlock hose fittings are widely recognized for their ability to create secure, high-performance connections in fluid power systems. Their design, which interlocks the hose and fitting, provides several key advantages that make them ideal for challenging applications. Here’s why interlock hose fittings are a preferred choice:

Robust Construction

Interlock hose fittings are known for their solid, dependable build. The interlocking design ensures that the fitting tightly engages with the hose, creating a strong, secure connection. This significantly reduces the risk of separation or leaks under pressure. Furthermore, these fittings are often made from durable materials like brass or stainless steel, which helps them endure demanding environments, harsh chemicals, and extreme temperatures.

Superior Leak Prevention

One of the standout features of interlock hose fittings is their exceptional leak-proof performance. The tight interlock between the fitting and the hose, often combined with an O-ring or gasket, forms a highly effective seal that minimizes the chances of leaks. This is especially critical in applications where even small leaks could result in equipment failure, safety hazards, or costly downtime.

Easy Installation and Maintenance

Compared to other types of fittings, interlock hose fittings are easy to install and maintain. The general installation process typically involves inserting the hose and securing it with a clamp or ferrule. This simple method reduces installation time and allows for faster maintenance. Because of their straightforward design, interlock fittings also make it easier to replace or service components when needed.

Versatility Across Applications

Interlock hose fittings are highly versatile, coming in various sizes and configurations to suit different applications. These fittings are commonly used in industries such as:

Construction: For high-pressure hydraulic systems in heavy machinery.

Manufacturing: Where they handle fluids, gases, or even abrasive materials.

Agriculture: In irrigation or fertilizer systems that require reliable connections under pressure.

Get a Custom Quote Today!

Need a custom solution? Reach out to us for expert advice and fast delivery on your interlock hose fitting needs.
Contact Us

How to Select the Right Interlock Hose Fitting

Selecting the right interlock hose fitting is crucial for ensuring a secure, reliable, and efficient connection in hydraulic and fluid systems. Below are key factors to consider when choosing the ideal interlock fitting for your specific application:

Understand Your Application Requirements

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.

BSP interlock hose fitting Topa

Hose Compatibility

Hose Size and Type:

Ensure the fitting matches the hose size (inner and outer diameters). Mismatched sizes can lead to poor sealing, causing leaks or system failure. Interlock hose fittings come in various sizes, so measure the hose accurately before selecting the fitting.

Hose Reinforcement Type: Check the type of hose you are using (e.g., wire-braided, spiral-wound). Interlock fittings are designed to work with hoses that have wire reinforcement, such as R13 or R15 hydraulic hoses. The fitting must be compatible with the hose’s structure to form a secure bond.

Material Selection

Corrosion Resistance:

Consider the environmental conditions where the fitting will be used. If your application involves exposure to chemicals, moisture, or extreme temperatures, materials like stainless steel or brass are ideal due to their superior corrosion resistance.

For high-pressure applications in industrial environments, carbon steel is often used because it offers strength and durability at a more cost-effective price.

Strength and Durability:

The material should be strong enough to handle the operating pressures of your system. Stainless steel is a great choice for high-strength applications, while brass is typically used for less demanding environments.

Temperature Range

Operating Temperature:

Ensure the fitting can withstand the maximum and minimum temperatures your system will experience. Some materials, like stainless steel, can handle higher temperatures better than others.

For extreme heat (e.g., hydraulic systems in industrial machines), choose high-temperature resistant fittings to ensure performance at higher operating temperatures.

ORFS interlock hose fitting Topa

Get a Custom Quote Today!

Ensure reliable connections! Click here to view our interlock hose fittings and get started.
Contact Us
Choose Topa

More Than Just a Hydraulic Fittings Manufacturer

Topa Services highlight our commitment to delivering quality, flexibility, and customer satisfaction. Whether you need custom solutions, fast delivery, or expert advice, we are here to support your hydraulic needs.

Expert Consultation

Our team of engineers provides professional advice to help you choose the right fittings.

Custom Design

We specialize in designing custom hose fittings tailored to your exact specifications.

Fast Prototyping

Topa offers rapid prototyping services to test your designs before full-scale production.

On-Time Delivery

With a streamlined production process, we ensure timely delivery.

Quality Assurance

Rigorous testing guarantees that our fittings meet the highest quality standards.

Global Shipping

We provide international shipping, ensuring that you receive your products on time.

After-Sales Support

Our customer service team is always available to assist with any post-purchase issues.

Competitive Pricing

We offer high-quality products at competitive prices, ensuring value for your investment.

Contact Us

Your Reliable Interlock Hose Fittings Manufacturer

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:

  • Durable
  • High pressure resistance
  • High quality
  • Affordable price
Contact Us
interlock hose fitting manufacturer China Workshop
contact topa hydraulic company

Related Products

reusable hydraulic fitting Topa

Reusable Hydraulic Fitting

hydraulic hose supplier China

Hydraulic Hose

hydraulic adapter Topa supplier

Hydraulic Adapter

JIC hydraulic fitting China Topa

JIC Hydraulic Fitting

brass hydraulic hose fitting manufacturer in china

Brass Hydraulic Fitting​

Supplier Banjo hydraulic fittings China

Banjo Hydraulic Fitting

FAQ

What are interlock hose fittings?

Interlock hose fittings are high-performance connectors that provide secure, leak-proof connections between hoses and systems, designed for high-pressure and high-temperature applications.

How do interlock fittings work?

Interlock fittings use a design where teeth on the fitting interlock with the hose’s steel wire reinforcement, creating a strong mechanical grip and tight seal.

What materials are interlock hose fittings made from?

They are typically made from stainless steel, carbon steel, or brass, offering strength and corrosion resistance.

What is the difference between crimp and bolt interlock fittings?

Crimp fittings create permanent, secure connections, while bolt fittings are reusable, allowing for easy disassembly and reassembly.

How do I install interlock hose fittings?

Installation involves skiving the hose, inserting it into the fitting, and securing it by crimping, bolting, or welding, depending on the fitting type.

Can interlock fittings be used in high-temperature applications?

Yes, interlock fittings, especially those made from stainless steel, are ideal for high-temperature applications in industries like oil & gas.

What pressure ratings are available for interlock hose fittings?

Interlock fittings come in various pressure ratings, from standard to high-pressure, so select one that exceeds your system’s operating pressure.

Are interlock fittings reusable?

Bolt interlock fittings are reusable, while crimp and weld fittings are permanent once installed.

In which industries are interlock hose fittings commonly used?

They are widely used in industries such as construction, oil & gas, agriculture, mining, and chemical processing.

How do I choose the right interlock fitting for my application?

Choose based on the pressure rating, hose size, and type, material, application requirements, and whether you need a permanent or reusable connection.

Get More Information About Products

your name
E-mail
With Country Code
what can we do for you?
hydraulic hose fitting catalog
topa logo foot
Topa QR image
Search
  • info@cntopa.com
  • +86-139-3019-8031
  • East New World Central Building, No.118 Zhongshan Road, Shijiazhuang, Hebei Provice,China

Contact Topa

Looking for unbeatable prices, top-tier quality, or custom solutions that fit your exact needs? Contact Topa Now！

Contact Us

“Still hesitating which product is right for you?” Send an inquiry and our hydraulics team will provide you with the best solution!