BV certification
BV certification
BV certification
BV certification
BV certification
BV certification
TUV Certification
ISO certification
Topa has thirty automated machining lathes for the full range of hydraulic fittings.
Cutting raw material
Hot forging
Drilling
CNC machine process
Hot bending
Galvanize
Salt spray test
Finished check
Packing
Transportation
With a commitment to innovation and customer satisfaction, Topa delivers customized solutions that meet unique operational needs. Whether you require standard field-attachable hydraulic fittings or tailored configurations, trust Topa for excellence in hydraulic solutions that enhance efficiency and reliability in your systems.
Female ORFS straight field-attachable hydraulic fitting, ORFS female straight hose fittings.
Female ORFS 45° field-attachable hose fittings, O-ring face seal female 45-degree elbow.
Female ORFS 90° field-attachable hydraulic fittings, O-ring face seal female 90 degree elbow.
Male NPT field-attachable hydraulic fittings, NPT reusable hose fittings.
Male JIC field-attachable hydraulic fittings, hydraulic fittings 16717 JIC male reusable hose fittings.
Female JIC Swivel field-attachable hose fitting, 26718D JIC pipe fittings, JIC hydraulic hose fittings.
Female JIC 45° bend hydraulic fitting, 26748 JIC female field-attachable hydraulic hose fitting.
Female JIC 90° Standard Drop hydraulic fitting, 26798D 90 degree elbow field-attachable fittings.
27818 Female straight SAE hydraulic field attachable fitting, 45-degree cone flare.
27848 Female straight 45° elbow field-attachable fitting, 45-degree cone flare.
27898 Female 90° elbow reusable hydraulic fitting, 45-degree cone flare.
SAE 100R5 field-attachable hydraulic fittings, SAE 100R5 SAE hydraulic hose fittings.
Straight male inverted flare field-attachable hydraulic fitting, reusable hose end inverted flare fittings.
SAE 90° inverted flare hydraulic field-attachable fitting fitting, made of high-quality carbon steel.
Male BSP field-attachable hydraulic fitting, male BSP reusable hydraulic hose fitting.
Female BSP straight reusable hydraulic fitting, BSP female 60 degree cone fittings.
Female BSP 90° field-attachable hydraulic fittings, BSP female swivel hose fitting, 90° Elbow.
DN Hose Standpipe field-attachable hydraulic fitting, reusable hose fittings.
Brake hose field-attachable hydraulic fittings, elbow/straigh banjo eye brake hose fitting.
Male JIC 37-degree cone flare field-attachable hydraulic fittings, made of carbon steel.
Code 61 Flange straight field-attachable hydraulic fittings, code 61 flange rigid.
Code 61 flange 45° field-attachable hydraulic fitting, reusable hose fittings, 45 degree elbow.
Code 61 flange 90° field-attachable hydraulic fitting, reusable hose fitting, 90 degree elbow.
Topa offers a full range of field attachable hose fittings in a variety of sizes and materials. You can click on the video to see the details of the field attachable fittings.
China hydraulic fittings supplier and manufacturer. Topa provides all kinds of fittings and couplings.
Field-attachable fittings are particularly easy to install or remove, so many applications use field-attachable fittings. Many industries such as motor vehicles, refrigerators, chemicals, oil and gas, and food processing use reusable fittings to reduce losses.
Field attachable hydraulic fittings are essential in construction equipment such as excavators, loaders, and bulldozers. They enable quick repairs and replacements of hydraulic hoses on-site, minimizing downtime and maintaining operational efficiency in rugged environments.
In the agricultural sector, field attachable hydraulic fittings are used extensively in tractors, harvesters, and irrigation systems. Farmers and operators can swiftly connect or disconnect hydraulic hoses for maintenance or configuration changes, ensuring continuous productivity during critical farming seasons.
Within industrial settings, these fittings are integral to machinery used in manufacturing processes, such as automated assembly lines and hydraulic presses. Their flexibility allows for easy adaptation to various hydraulic setups, facilitating efficient operations and reducing the complexity of maintenance and repairs.
Our hydraulic fittings are renowned for their exceptional durability and reliability in demanding industrial environments. Crafted from premium steel, each fitting undergoes rigorous quality control to ensure it meets stringent performance standards. This material choice not only enhances longevity but also provides superior resistance to corrosion and wear, making our fittings ideal for long-term use without degradation in performance.
Furthermore, our fittings are designed to withstand high pressures and temperature variations, maintaining consistent operational efficiency. Whether used in heavy machinery or critical hydraulic systems, customers can rely on Topa’s fittings to deliver reliable performance, reducing maintenance costs and downtime associated with frequent replacements. Our commitment to quality extends to comprehensive testing procedures that validate durability and performance under real-world conditions, ensuring peace of mind for our clients in various industries.
Topa hydraulic fittings offer unmatched versatility and adaptability to diverse applications across industries. Designed for compatibility with a wide range of hydraulic hoses and systems, our fittings facilitate seamless integration and flexibility in setup. This adaptability simplifies installation processes and optimizes operational efficiency by reducing setup time and compatibility issues.
Moreover, our fittings feature modular designs allowing easy customization to meet specific customer requirements. We provide tailored solutions that align with unique operational needs, whether it’s adjusting thread types, sizes, or configurations. This flexibility extends to offering various sealing options and accessories, ensuring comprehensive solutions that address different operational challenges effectively. By choosing Topa, customers benefit from versatile fittings that enhance system performance and adapt to evolving industry demands with ease.
At Topa, precision engineering and continuous innovation are at the core of our product development. Our fittings are crafted using advanced CNC machining technology, ensuring precise tolerances and consistent quality across all components. This precision not only enhances fit and function but also minimizes leakage risks, contributing to overall system reliability and safety.
Furthermore, we prioritize innovation in design and materials, incorporating the latest advancements to improve performance and efficiency. From enhanced sealing technologies to ergonomic designs that promote ease of handling and installation, our fittings reflect our commitment to pushing the boundaries of hydraulic fitting excellence. By investing in research and development, we continuously introduce new features and improvements that anticipate industry trends and exceed customer expectations, reinforcing Topa’s reputation as a leader in hydraulic solutions.
Ready to experience the quality and reliability of Topa’s hydraulic fittings? Simply submit your requirements through our inquiry form, and our dedicated team will promptly provide you with a detailed quotation tailored to your specifications.
Submit inquiry form.
Specify product details.
Receive quotation within 24-48 hours.
Review and confirm quotation.
Specify customization requirements.
Approve final specifications.
Issue purchase order (PO).
Confirm payment terms.
Receive order acknowledgment.
Begin production process.
Monitor manufacturing progress.
Quality control inspection.
Package fittings securely.
Label with shipping details.
Prepare for shipment.
Arrange logistics.
Track shipment status.
Receive delivery confirmation.
Ensure customer satisfaction.
Provide technical assistance.
Handle any post-delivery queries.
Topa specializes in manufacturing high-quality hydraulic fittings crafted from premium materials like stainless steel and brass. Rigorous quality control ensures every fitting meets industry standards for durability, performance.
Our streamlined manufacturing processes enable quick turnaround times from order placement to delivery. We prioritize efficiency without compromising on the meticulous craftsmanship that defines our hydraulic products.
Topa offers extensive customization options to tailor fittings precisely to your specifications. From thread types and sizes to specialized coatings, we ensure fittings meet your unique operational requirements.
We provide reliable transportation services worldwide, ensuring prompt delivery to your doorstep. Our logistics team optimizes shipping routes and methods to minimize transit times and costs.
Customers benefit from significant cost savings through our competitive bulk pricing and volume discounts. Whether you require small batches or large-scale orders, we offer flexible pricing options to suit your budget.
Topa is committed to providing excellent customer service and dedicated support throughout your purchasing process. If you would like a physical visit to the factory, we can provide the appropriate services.
Topa excels in offering customized solutions tailored to meet specific customer requirements. Our customization options include:
Tailored Specifications
Adjusting thread types, sizes, and configurations to fit unique application needs.
Customizing fittings for compatibility with specific hydraulic systems and equipment.
Material and Finish Options
Offering a range of materials such as stainless steel, brass, and aluminum to suit different operational environments.
Providing various surface treatments and coatings for enhanced durability and corrosion resistance.
Sealing and Connection Preferences
Flexible sealing options include O-rings, flat face seals, and NPT threads.
Adapting fittings for compatibility with different connection types and standards.
Topa hydraulic fittings are designed to seamlessly integrate with products from leading international brands like Parker and others. Our fittings are engineered to meet or exceed industry standards, ensuring compatibility with various hydraulic systems and applications. Key compatibility features include:
Standardized Specifications
Aligning with international standards such as ISO, SAE, and DIN for dimensional accuracy and performance consistency.
Interchangeability
Ensuring our fittings can be used interchangeably with counterparts from Parker and other reputable brands without compromising performance or safety.
Comprehensive Testing and Validation
Rigorous testing and validation processes to verify compatibility and performance under different operating conditions.
Topa is a professional manufacturer of hydraulic fittings. We provide a one-stop service. A variety of hydraulic products for you to choose from. Click the picture below for more hydraulic products.
Field-attachable hydraulic fittings are connectors that allow hoses to be assembled or repaired directly in the field without specialized equipment.
Field-attachable fittings offer on-site assembly flexibility, whereas crimped fittings require specialized tools and machines for installation.
Topa’s fittings are primarily made from high-quality materials like stainless steel, brass, and aluminum for durability and performance.
Yes, Topa offers extensive customization options including thread types, sizes, and coatings to meet diverse operational needs.
Yes, Topa’s fittings are designed to be compatible with industry standards and can be used interchangeably with products from leading brands.
Industries such as construction, agriculture, manufacturing, and mining frequently use these fittings for their flexibility and ease of maintenance.
Lead times vary based on order size and customization requirements. Contact our sales team for specific timelines.
Yes, Topa offers comprehensive technical documentation and certifications to ensure compliance and performance assurance.
Topa implements stringent quality control measures throughout the manufacturing process, backed by testing and inspection protocols.
Topa provides dedicated customer support to assist with inquiries, technical assistance, and after-sales service to ensure customer satisfaction.
Hydraulic tubes involve a wide variety of types. In terms of material, stainless steel, steel, and carbon steel are commonly used. We also provide seamless and welded hydraulic tube assemblies. You can check the pictures below to find the product. If you don’t find the product you need, we also offer custom hydraulic tube assemblies.
Hydraulic tube assembly, made of steel, and carbon steel.
High-quality stainless steel, corrosion-resistence.
Made of strong steel, for use with heavy machines.
Carbon steel hydraulic tube assembly, an economical choice.
Cold bending seamless tube assembly.
Topa offers custom hydraulic tube assembly services.
CDS/Cold bending hydraulic tube assembly.
Weld hydraulic tube assembly, can weld with hydraulic fittings.
Cold drawn seamless hydraulic tube assembly.
Cutting sleeve hydraulic tube assembly, for use with machines.
Hydraulic seamless tube assembly, no leaks.
For use with the Liugong tractor, forklift, and dumper.
For use with Lonking heavy equipment.
Foer use with Lovol agriculture heavy machine.
SK305LC-10 type hydraulic tube assembly, made of heavy steel.
SY55 steel tube assembly, for use with agriculture machines.
This video showcases the full production process of our hydraulic tube assemblies — from precise tube cutting and cold bending to final packaging and quality inspection. You’ll see how we transform raw steel tubing into ready-to-install hydraulic lines with accurate bends, clean cuts, and secure ends, all performed under strict quality controls. These assemblies are engineered to handle high pressure and deliver consistent fluid flow with zero leakage.
Need custom lengths, special fittings, or just want to learn more about our process? Feel free to contact our team — we’re ready to assist with technical guidance, fast quotations, and tailored solutions.
Hydraulic tube assemblies are engineered for performance in high-stress, high-pressure environments. Their rigid structure, superior pressure handling, and long-term durability make them ideal for both fixed installations and mobile equipment where system integrity is critical. Topa’s precision-bent hydraulic tubes are trusted across industries where failure is not an option.
Heavy-duty construction equipment demands reliable hydraulic systems capable of withstanding continuous impact, vibration, and extreme working conditions.
Hydraulic tube assemblies play a crucial role in fixed industrial setups where precision, repeatability, and resistance to environmental factors are essential.
Hydraulic tube assemblies are widely used in agriculture for their ability to deliver high-pressure performance with minimal maintenance.
Hydraulic tube assemblies are rigid, pre-bent tubing systems designed to transfer pressurized hydraulic fluid between key components in heavy equipment, industrial machinery, and mobile systems. Unlike flexible hoses, hydraulic tubing provides a permanent and highly stable path for fluid flow, offering unmatched performance in high-pressure and high-vibration environments. These assemblies are engineered to precise specifications using seamless or welded steel tubing, ensuring leak-free operation under demanding conditions.
Each hydraulic tube assembly includes several integral components that work together to deliver reliable performance:
Tubing
Made from carbon steel or stainless steel, selected based on pressure, temperature, and corrosion requirements.
Tube Fittings
Connection options include JIC 37°, ORFS, DIN 2353, BSPP, or NPT threads.
Clamps and Mounting Accessories
Help minimize vibration, maintain alignment, and reduce wear.
Surface Finish
Zinc-plated, phosphate-coated, or uncoated stainless steel for corrosion resistance.
Hydraulic tube assemblies can be equipped with a wide variety of end connections to suit different system standards and sealing methods:
Threaded Ends
BSPT, NPT, JIC, and SAE threads for compatibility with international systems.
Compression Fittings
Used in DIN/ISO-based systems for reliable metal-to-metal sealing.
Welded Ends
Ideal for permanent, high-pressure applications.
Flared & Flange Options
For ultra-secure connections in heavy-duty mobile equipment.
Our assemblies are available in both metric and imperial units, making them fully compatible with international hydraulic standards and systems. Whether you’re replacing existing pipework or building a new fluid power system from scratch, we provide cut-to-length, pre-bent hydraulic tubes tailored to your exact specifications.
Outer Diameter Range
Wall Thickness Options
Tube Lengths & Custom Forming
All our materials are sourced from certified mills, tested for mechanical properties, and verified for compatibility with global hydraulic fitting standards. Whether you’re designing a fixed installation or working with dynamic mobile equipment, our material selection supports both performance and cost efficiency.
100% inspection to guarantee product quality.
Handling small to large-scale orders flexibly.
Professional ongoing after-sales services.
On-site installation and usage training.
24-hour response to customer inquiries.
Reliable and swift logistics solutions.
Real-time consultation from technical experts.
Personalized product design and manufacturing.
At Topa, we do more than supply hydraulic tube assemblies — we deliver complete fluid power solutions with technical confidence and global responsiveness.
Whether you’re a machinery manufacturer, system integrator, or industrial maintenance provider, our service model is built to support your workflow from design to delivery.
✅ Custom Engineering Support
Bring us your drawings, 3D models, or just a concept — our experienced technical team will help you select the right tube material, connection standard, wall thickness, and bending path. We support everything from prototyping to bulk production.
✅ Precision CNC Tube Bending
Our CNC mandrel bending ensures every tube meets your exact angle, radius, and length — even for multi-plane configurations. Every assembly is formed to tight tolerances with smooth interior flow paths.
✅ Seamless Assembly Integration
We can pre-install end fittings, nuts, sleeves, and flared ends — delivering ready-to-install assemblies that drop straight into your line. Fewer fittings. Fewer leak points. Faster installation.
✅ Cleanliness & Quality Control
Every Topa tube is cleaned, deburred, flushed, and pressure-checked before shipment. We follow ISO cleanliness standards to ensure zero contamination at installation.
50+
Manufacturing Facilities
20+
Countries Served
50+
Employees Worldwide
2,000+
Products
30+
Years
100+
Customers
We provide tubing in outer diameters ranging from 6 mm to 50 mm (or 1/4″ to 2″), with custom lengths and bends based on your requirements.
Our hydraulic tubes are available in carbon steel (ST 37.4 / ST 52), 304/316 stainless steel, and aluminum or copper for low-pressure applications.
We support Light (L), Medium (M), and Heavy (H) wall series to accommodate varying pressure ratings and mechanical strength.
Pressure ratings vary by material and size but can reach up to 6000 PSI for thick-walled carbon or stainless steel tubes.
We primarily offer cold-drawn seamless hydraulic tubes to meet DIN 2391, EN 10305-1, and SAE J524 precision standards.
Tubes can be supplied with zinc plating, phosphate coating, powder coating, or natural stainless steel finish for corrosion resistance.
Our tube ends support JIC, ORFS, BSPP, NPT, DIN 2353 compression, flare, or welded connections. Custom thread machining is also available.
Yes. Our tubing complies with ISO 8434-1, SAE J524, DIN 2391, and other global hydraulic fluid conveyance standards.
Yes. Stainless steel tubes can operate up to +400°C, while carbon steel tubes are typically rated up to +120°C depending on surface treatment.
Yes. We use CNC mandrel bending for precise, multi-plane tube geometry while maintaining internal flow integrity and structural strength.
JIS hydraulic hose fittings have various sizes and types, including male and female hydraulic adapters, elbows, tees, and couplings, among others. They are designed to meet the JIS B2351 standard, which specifies the dimensions, materials, and performance requirements for hydraulic hose fittings.
Topa can provide large sizes and materials of JIS hydraulic hose fittings. Please contact us if you need more information on the JIC hydraulic hose crimp fittings.
This video is about the details of Topa JIS hydraulic hose fitting.
JIS hydraulic hose fittings are designed for high-pressure hydraulic systems. They can be applied to various hydraulic fluids systems, including oil, water, and other fluid applications.
Please contact with us if you have any questions about hydraulic hose end fittings or other products.
Topa offers various types of hydraulic hose fittings, and this catalog includes all of them.
Please contact us If you need more information in selecting the right hydraulic hose fittings, or would like some free samples.
Hydraulic hose flange fittings are types of hydraulic hose fittings used to connect a hydraulic hose to a flange on machines or components. This type of fitting is commonly used in high-pressure hydraulic applications.
Topa can provide large sizes and materials for hydraulic hose fitting. Please contact us if you need more information on the hydraulic hose fitting.
This video shows the details of hydraulic hose flange fitting.
Hydraulic hose flange fittings are commonly used in applications such as mining, construction, and oil and gas. All of those applications need a leak-free and reliable seal.
If you have any questions about flange fittings, please contact us.
Topa offers various types of hydraulic hose fittings, and this catalog includes all of them.
Please contact us If you need more information or assistance in selecting the right hydraulic hose fittings, or would like some free samples.
The compression mechanism of a hydraulic compression fitting typically includes a nut, a ferrule or sleeve, and a fitting body. Furthermore, hydraulic compression fittings come in various types, including tees, elbows, couplings, adapters, and valves, each with its specific function.
If you’re looking for hydraulic compression fittings in different sizes or materials, Topa can provide you with a wide range of options to meet your specific requirements.
This video shows the details of hydraulic compression fittings.
Hydraulic compression fittings are used in hydraulic systems to transport liquids and gases under high pressure. Including mining, agriculture, aerospace, and manufacturing.
Contact us for more information!
Topa can offer a full range of compression hydraulic fittings, including tees, elbows, couplings, adapters, valves, etc.
We also offer samples and custom services.
Contact us for more information!
A hydraulic elbow compression fitting is a type of plumbing component used to connect two pipes or tubes at an angle. It has a bent, L-shaped design with two openings, each of which is designed to accommodate a pipe or tube.
Topa can provide large sizes and materials of hydraulic elbow fittings. Please contact us if you need more information on the hydraulic compression fittings.
This video shows the details of hydraulic compression elbow fitting.
Elbow compression fitting can be applied in many hydraulic fluid systems, such as those found in heavy machinery, because of its ability to handle high pressures and resist leaks.
If you have any questions about elbow compression fittings or other products, please contact us.
Topa offers various types of hydraulic compression fittings, and this catalog includes all of them.
Please contact us If you need more information or assistance in selecting the right hydraulic compression fittings, or would like some free samples.
A hydraulic compression tee fitting is a plumbing component used to connect three pipes. The fitting uses compression fittings to secure the pipes in place, which involves using a compression nut to compress a ferrule or sleeve onto the pipe, creating a tight seal.
Topa can provide large sizes and materials of hydraulic tee fittings. Please contact us if you need more information on the hydraulic compression fitting.
This video shows the details of hydraulic compression tee fitting.
Compression tee fitting can be applied in many hydraulic fluid systems, such as those found in heavy machinery, because of its ability to handle high pressures and resist leaks.
If you have any questions about tee compression fittings or other products, please contact us.
Topa offers various types of hydraulic compression fittings, and this catalog includes all of them.
Please contact us If you need more information or assistance in selecting the right hydraulic compression fittings or adapters, or would like some free samples.
Hydraulic cross fittings are cross-shaped designs with four ends. Hydraulic cross fittings are available in different threads such as JIC, ORB, NPT, and BSP. These fittings are available in different materials such as carbon steel, stainless steel, or brass. These materials offer durability and corrosion resistance.
Topa can supply hydraulic cross fittings in all sizes and materials. If you need more information about hydraulic cross adapters, please contact us.
This video shows the details of hydraulic cross adapter.
Cross hydraulic adapters are versatile components that can be used in a wide range of applications, such as: fluid applications, and high-pressure applications.
If you have any questions about cross hydraulic adapter or other products, please contact us.
Topa offers various types of hydraulic adapter fittings, and this catalog includes all of them.
Please contact us if you need more information on hydraulic adapter or would like some free samples.
