Metric Interlock Fitting

Metric interlock fitting has 24° cone o-ring fitting, 74° cone fitting and flat face fitting. All of those fittings include Heavy and Light type. Topa can provises all types of Metric interlock hose fitting, such as straight interlock fitting, 45-degree interlock fitting, and 90-degree interlock fitting.

If you have any questions of interlock Metric hose fittings, please contact us!

Metric Interlock Fitting Video

This video is about the details of Topa Metric interlock fitting.

Interlock Metric fittings are made of high-quality carbon steel, and stainless steel. Those fittings can be applied in high-pressure hydraulic systems.

Please contact with us if you have any questions about hydraulic Metric hose tail fitting or other products.

Interlock Hose Fitting Catalog

This catalog is about interlock hose fittings.

Topa can offer all kind of hydraulic interlock hose fittings, and our catalog also including all of them.

Please contact us If you need more information of hydraulic hose fittings, or would like some free samples.

Interlock Flange

Interlock hose flanges have the flange ports and the o-ring seal in those port surfaces. Interlock flange has 3000psi, 6000psi types. Those fittings are used conjunction with interlocking hose clamps to connect high-pressure hoses. Topa can provises all types of interlock hose flange, such as straight interlock flange, 45-degree interlock flange, and 90-degree interlock flange.

If you have any questions of interlock flange fittings, please contact us!

Interlock Flange Video

This video is about the details of Topa interlock flange.

Interlock flange fittings are made of high-quality metal materials. Those fittings can be applied in high-pressure hydraulic systems.

Please contact with us if you have any questions about hydraulic hose tail flange or other products.

Interlock Flange Catalog

This catalog is about interlock hose flange.

Topa can offer all kind of hydraulic interlock hose flanges, and our catalog also including all of them.

Please contact us If you need more information of hydraulic hose fittings, or would like some free samples.

Interlock Hose Fittings

Interlock Hose Fittings Factory in China

High-temperature resistance
High-pressure resistance
Corrosion-resistance
Durable

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！

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.

Get a Custom Quote Today!

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

Interlock Fittings Features

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.

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.

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.

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.

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.

Get a Custom Quote Today!

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

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.

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

Reusable Hydraulic Fitting

Hydraulic Hose

Hydraulic Adapter

JIC Hydraulic Fitting

Brass Hydraulic Fitting

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.

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Beaded Hose Fittings

Beaded Hose Fittings Manufacturer in China

Durable
Easy to operate
Affordable price
High quality

Beaded Hose Fittings Manufacturer in China

Beaded fittings have a tube on one end and a bulge on the back of the tube. This type of fitting requires hose clamps to be used with the hose. Topa offers a wide range of beaded hose fittings for low-pressure applications.

Beaded Hose Fittings Product List

Beaded hose fittings are used in low-pressure applications to connect hoses or pipes together in fluid systems. There are different types of beaded hose fittings, including straight types, elbow types, T-types, etc. Each type of fitting has a specific purpose in the system in which it is used. You can check the pictures below!

Beaded Hose Fittings Video

This video is about beaded hose fittings. Topa can offer all types and sizes of hydraulic beaded fittings, please contact us!

Topa Hydraulic Fittings

Topa has professional fitting production, quality inspection, and packaging processes. And we also provide custom hydraulic fittings, welcome to order.

Your Reliable Beaded Hose Fittings Manufacturer

Beaded hose fittings are specially constructed in that they are designed with an end with a barb. The barb will catch the inside of the hose and then with the help of the hose clamp, it will prevent the hose from slipping off.

The material of the bead fitting is determined by the environment, and the common fitting materials are brass, stainless steel, and carbon steel. In order to ensure that the hose will not slip off, the size of the beaded hose fitting should be in line with the size of the hose.

Advantages of Topa bead fittings:

Durable
Corrosion resistant
Standard size
High-quality materials
Affordable

Why Choose Us

As a company specializing in the manufacture of hydraulic fittings, Topa is committed to handling every order with care and attention to detail. In our factory, we have over 50 hydraulic fittings production machines throughout the entire production process, from raw material cutting to final product adapter inspection.

We are equipped with precision testing equipment that can check the hardness, size, and rust resistance of our fittings to ensure that all the quality details you care about are strictly controlled. To ensure your confidence in our products, we can provide the necessary supporting documents such as fitting testing certificates and shipping documents. If you have any special needs, just let our staff know and they will do their best to satisfy you!

Topa has a complete logistics system, and our staff will carefully pack your shipment to ensure that every joint product is protected from damage during shipment. We will arrange shipping according to your needs and select the most appropriate and economical way for you to minimize unnecessary losses.

Beaded Hose Fittings Application

Beaded hose fittings are designed to allow them to withstand different low pressures and temperatures, making them suitable for many different environments and applications.

They are used in a wide variety of fluid and gas transfer systems, including automotive cooling systems, industrial hydraulic systems, marine applications, domestic water supply systems, etc.

AN Fitting

Reusable Hydraulic Fitting

Brake Fitting

JIC Hydraulic Fitting

NPT Hydraulic Fitting

Banjo Hydraulic Fitting

Beaded Hose Fittings Quality Control

beaded hose China manufacturer check one by one

beaded hose fitting China supplier check

beaded hose china manufacturer Pulse test

beaded hose factory process Three Coordinate Measuring

beaded hose fittings manufacturer Assemble in China

beaded hose fittings manufacturer package check

FAQ

What is a beaded hose fitting?

A beaded hose fitting is a special type of barb fitting that has a single barb on one end and can be used with a hose clamp.

What do beaded hose fittings do?

They are used to connect hoses and secure the passage of fluids.

What materials are beaded hose fittings available in?

Brass, stainless steel and carbon steel.

What threads are available for bead fittings?

NPTF, BSPT and metric threads are common.

What is the difference between a beaded fitting and a barb fitting?

A bead fitting has a single projection on the hose end, while a barb fitting has multiple projections on the hose end.

What are the advantages of bead fittings?

Bead fittings are relatively easy to install and operate.

Where can bead fittings be used?

In fluid systems for automotive, factory, and agricultural applications.

Can Topa customize beading fittings?

Yes, Topa can make custom fittings.

What is the minimum order quantity for bead fittings?

At least 100 pieces.

How long does it take to make a beaded fitting?

Normally, it takes 30-45 days to make a connector.

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Mining Hose Fittings

Mining Hose Fittings Supplier in China

※ Abrasion Resistant

※ Vibration resistant

※ High pressure resistant

※ Safety

Product List

Mining hose fittings are designed for the hydraulic systems of mining and transportation machinery. Whether in the laboratory or the field, Topa Hydraulics’ range of fittings offers robustness, reliability, and efficiency. Our extensive catalog covers almost all areas of mining applications. In addition to the usual hose couplings and andquick-releasee couplings, we also offer mining hydraulic ferrules, spike lock inserts, and spike lock adapters. Our couplings will keep your mining machinery running smoothly, so choose our products with confidence.

1NY

NPT MALE/STECKO MALE

1OY

SAE O-RING BOSS/STECKO MALE

1Y

STECKO MALE

2BY4

45° BSP MALE 60° SEAT/STECKO FEMALE

2NY

NPT MALE/STECKO FEMALE

2NY4

45° NPT MALE/STECKO FEMALE

2NY9

90° NPT MALE/STECKO FEMALE

2NY9-L

90° LONG NPT MALE/STECKO FEMALE

2OY

SAE O-RING BOSS/STECKO FEMALE

2OY4-OG

45° SAE O-RING BOSS/STECKO FEMALE

2OY9-OG

90° SAE O-RING BOSS/STECKO FEMALE

2TY4

45° BSPT MALE/STECKO FEMALE

2Y9

90° STECKO MALE/STECKO FEMALE

2ZY

BSP MALE/STECKO FEMALE

3BY

BSP FEMALE 60° CONE/STECKO FEMALE

3BY4

45° BSP FEMALE 60° CONE/STECKO FEMALE

3BY9

90° BSP FEMALE 60° CONE/STECKO FEMALE

3Y

STECKO FEMALE

3Y4

45° STECKO FEMALE

3Y9

90° STECKO FEMALE

5NY

NPT MALE/STECKO FEMALE

5Y9

STECKO MALE/STECKO FEMALE

7Y

STECKO FEMALE

7Y9

90° STECKO FEMALE

9Y

STECKO FEMALE CAP

DQ-Y

BACK-UP RING

DY

TEE STECKO FEMALE

GY

TEE STECKO FEMALE

HY

STECKO FEMALE/STECKO FEMALE/STECKO MALE

U-Y

STAPLE

EY

STECKO FEMALE/STECKO MALE/STECKO FEMALE

YY

Y TYPE STECKO FEMALE

Topa Video

This video takes you behind the scenes at Topa, showcasing our state-of-the-art manufacturing process for mining hose fittings. You’ll get an exclusive look at how we meticulously design, test, and produce fittings that meet the highest standards of quality and performance. From raw materials to finished products, every step of our process is carried out with precision to ensure maximum durability and reliability in mining operations.

In addition to the manufacturing process, the video also highlights our advanced factory environment. Equipped with cutting-edge technology and operated by a skilled team of professionals, our facility is the backbone of our production capabilities. With strict quality control measures at every stage, we guarantee that each mining hose fitting leaving our factory is built to last and perform under the most demanding conditions.

We invite you to watch the video and learn more about how Topa’s mining hose fittings can benefit your operations. If you have any questions or would like to request a quote, feel free to reach out to us.

Application

Mining hose fittings are built to perform in the harshest industrial environments. Below are key application scenarios where these fittings prove critical:

What Are Mining Fittings?

Mining hose fittings are heavy-duty connection components designed to link high-pressure hydraulic hoses to machinery and equipment operating in the demanding environments of the mining industry. These fittings are engineered to withstand extreme pressures, abrasive materials, intense vibrations, and harsh weather conditions typically encountered in both surface and underground mining operations.

Built from rugged materials such as carbon steel or stainless steel, mining hose fittings are often coated for superior corrosion resistance and long-term durability. They are available in various thread types (BSP, NPT, JIC, ORFS) and configurations (straight, elbow, flange) to ensure secure and leak-free connections across complex hydraulic systems.

Whether you’re dealing with earthmoving equipment, rock drilling rigs, haul trucks, or hydraulic support systems, mining hose fittings play a critical role in maintaining fluid power and preventing unexpected downtime. They’re suitable for use in hydraulic circuits that demand high flow, pulse resistance, and leak-proof sealing—even under extreme pressure and environmental stress.

Customization Capabilities

At Topa, we understand that no two mining projects are the same. Harsh environments, unique machinery layouts, and varying pressure demands call for fittings that go beyond off-the-shelf options. That’s why we offer full customization for mining hose fittings to match your exact specifications and operational challenges.

What We Can Customize:

Thread Type: BSP, NPT, JIC, ORFS, Metric, UNF, custom non-standard threads
Fitting Lengths & Angles: Straight, 45°, 90°, extended body, compact build
Materials: Carbon steel, stainless steel (304/316), brass, or aluminum alloy
Surface Treatment: Zinc plating, trivalent chromate, phosphate coating, nickel/zinc-nickel alloy, or stainless polishing
Branding Options: Laser-engraved or stamped company logo, QR codes for tracking
Packaging Solutions: Individual bagging, custom boxes, export crates with customer label and barcode integration

What You Can Provide to Start Your Custom Order:

To deliver the perfect-fit solution, we welcome the following details from your engineering or procurement team:

Technical Drawing or Sample – Precise specs help us match threads and dimensions
Working Pressure & Burst Pressure – Determines material and wall thickness
Operating Environment – Exposure to dust, moisture, chemicals, or extreme temperatures
Fluid Type – Helps select seal material and corrosion protection
Installation Space & Routing Limits – We’ll design fittings to avoid interference or clearance issues

Whether you’re dealing with a legacy system requiring obsolete threads or building a next-gen mining rig with cutting-edge fluid systems, Topa’s technical team is ready to create a fully customized fitting that meets your requirements—fast, precisely, and affordably.

Advantage of Mining Hose Fitting

High Pressure Resistance

Handles continuous working pressures up to 600 bar and beyond
Designed for compatibility with SAE 100R15, 4SP, 4SH, and other high-pressure hoses
Built with a standard 4:1 safety factor to prevent blowouts or failures under surge pressure

Superior Abrasion Resistance

Optional surface treatments include phosphate coating, zinc-nickel plating, and electroplating
Rugged fitting structure performs well in dusty, sand-filled environments
Enhanced sealing surface design minimizes wear from vibration and movement

Impact & Vibration Resistance

Reinforced structure and threads designed for heavy-duty machine operations
Manufactured from high-strength carbon steel or stainless steel for extended service life
Maintains sealing integrity under high-frequency impacts and vibration

Versatile Thread & Connection Options

Available in BSP, NPT, JIC, ORFS, Metric, and Flange thread types
Both standard and non-standard (custom) designs are supported to match global mining equipment
Easy to install and replace, minimizing downtime during field maintenance

Corrosion Protection

Material options include stainless steel, nickel plating, or customized anti-rust coatings
Performs reliably in humid, acidic, and salt-laden environments, such as underground mines or open-pit sites
Extended lifespan reduces maintenance frequency and long-term costs

Heavy-Duty Application Ready

Purpose-built for large-scale mining equipment including drilling rigs, excavators, and hydraulic supports
Designed for 24/7 operation in demanding systems
Compatible with extreme temperatures, corrosive fluids, and other harsh media

Topa Services

Fast Quotation Turnaround

Receive accurate pricing and technical quotes within 12–24 hours, helping you speed up procurement decisions.

OEM & Custom Manufacturing

We support full customization: threads, dimensions, materials, coatings, logos, and packaging—tailored to your drawings or samples.

Rapid Prototyping

Need samples fast? We provide prototype fittings for validation and testing before bulk production.

Strict Quality Control

100% inspection for threads, sealing surfaces, and pressure resistance. ISO-compliant processes ensure reliable quality every time.

Flexible Packaging & Labeling

Export-grade packaging with options like custom logos, part numbers, barcodes, and box printing.

Technical Support & Drawing Assistance

Our engineers help you confirm dimensions, threads, and fitting compatibility.

Logistics & Shipping Support

We offer FOB, CIF, DDP terms, and work with trusted carriers for sea, air, and express deliveries worldwide.

After-Sales Guarantee

Responsive after-sales service with problem-solving focus. We support replacements and technical troubleshooting.

Your Reliable Mining Hose Fittings Manufacturer

At Topa, we specialize in providing top-quality mining hose fittings designed to withstand the toughest conditions in the mining industry. With years of expertise in manufacturing and supplying durable hydraulic components, we understand the critical importance of reliability, safety, and performance in mining operations. Our fittings are engineered to handle high pressures, extreme temperatures, and harsh environments, ensuring your equipment runs smoothly and efficiently without compromising safety.

We take pride in our commitment to innovation and precision. Topa’s mining hose fittings are made from premium materials that guarantee long-lasting durability, even in challenging conditions such as heavy vibrations, abrasive materials, and exposure to chemicals. Whether you need quick couplings, hydraulic hoses, or any other type of hose fitting, we provide a comprehensive range of products tailored to meet the specific needs of your mining equipment.

Customer satisfaction is at the core of everything we do. Our experienced team is dedicated to offering personalized support, from helping you select the right fittings to providing expert advice on installation and maintenance. At Topa, we prioritize delivering products that meet international standards, ensuring your systems remain reliable and efficient. Choose us as your trusted partner, and experience the difference of working with a manufacturer who is focused on your success.

An Fittings

Reusable Hydraulic Fitting

Hydraulic Adapter

Brass Fitting

Brake Fittings

Banjo Hydraulic Fitting

FAQ

What material are your mining hose fittings made from?

We use high-strength carbon steel and stainless steel, depending on pressure and corrosion requirements.

What sizes are available for mining hose fittings?

Sizes range from 1/4″ to 2″, with custom dimensions available upon request.

What is the maximum working pressure?

Our mining hose fittings support up to 600 bar (8700 psi), depending on the model and hose type.

Which hose types do these fittings support?

They are compatible with SAE 100R15, 4SP, 4SH, R12, and other spiral and braided hoses.

What thread types are available?

We offer BSP, NPT, JIC, ORFS, Metric, UNF, and flange types for global compatibility.

Do you offer one-piece and two-piece designs?

Yes, both one-piece crimp fittings and two-piece configurations are available.

Are the fittings reusable?

No, crimp fittings are designed for permanent installation and should not be reused.

What surface treatments are offered?

Zinc plating, phosphate coating, trivalent chrome, and zinc-nickel plating are available for corrosion protection.

Do fittings include protective caps or plugs?

Yes, all fittings are shipped with plastic caps or plugs to protect threads and sealing surfaces.

Can your fittings be used with hydraulic fluids, water, or air?

Yes, depending on the seal and material type, fittings are compatible with hydraulic oil, water-based fluids, and compressed air.

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Materials

Topa Hydraulic Fitting Materials

Hydraulic Fitting Materials

Carbon Steel

Carbon steel consists of iron and carbon. Generally, Topa’s fittings are made of carbon steel, and this material is the most popular one for hydraulic fittings.

This kind of material has several advantages:
※ Easy to process
※ Resistance to wear and tear
※ Suitable price
※ Wide range of use
※ Environmentally friendly

Brass

Brass consists of copper and zinc. The quality of brass for hydraulic fittings is great, and the advantages are particularly significant.

※ Corrosion resistance
※ Ductility
※ Thermal conductivity
※ Low friction

Stainless Steel

Stainless steel consists of chromium and iron. Stainless steel hydraulic fittings can be more expensive compared to other metal fittings, but the availability is higher.

Benefits of stainless steel:
※ Non-corrosive
※ Durable
※ High cleanability
※ High strength