Fuel Line Fittings Manufacturer in China

❖ Made of aluminum alloy

❖ Fuel fittings are lightweight

❖ Good sealing properties

❖ Easy to install

Product List

Topa hydraulic fuel fittings are available in AN, NPT, NPTF, and ORB threads. And our fittings are available in push lock, crimp-on, hose barb, banjo, PTFE, and tee series. The quality of these fittings is guaranteed and the price is good. You can check the pictures below. We also provide custom service, we can paint the fuel hose connectors according to your needs, welcome to contact us!

Topa Factory Video

Welcome to the video section of Topa’s factory, where we showcase our state-of-the-art manufacturing process for hydraulic fittings. At Topa, we pride ourselves on delivering precision-engineered solutions that meet the highest industry standards. Our factory is equipped with advanced machinery and cutting-edge technology to ensure the accuracy and durability of every fitting we produce. Whether it’s hydraulic hoses, quick couplings, or custom fittings, we maintain strict quality control throughout every step of production.

In the video, you’ll get an inside look at how our expert team processes each component, from raw materials to the final product. Our attention to detail and commitment to excellence allow us to cater to a wide range of applications, from industrial to automotive systems. We specialize in offering tailored solutions for customers who need reliable, long-lasting products for their hydraulic systems.

If you have any questions about our products, production processes, or custom fitting needs, we invite you to reach out. Send us your questions and inquiries today, and let us help you find the perfect solution for your hydraulic fitting requirements.

Application

Fuel line fittings are used in applications with fuel systems, like cars, race cars, trucks, tractors, boats, airplanes, etc. These applications require high-quality, non-leaking fuel line connectors. Topa can supply such quality fuel hose fittings, so please contact us!

Contact us today!

Get more details and a quote for Topa fuel fittings!

Fuel Fittings Features

Connecting lines

The different components of a fuel system, such as fuel lines, tanks, engines, filters, etc., are usually connected by fuel line fittings. The design and specifications of each fitting will vary depending on the needs of the system. Proper selection of fittings ensures a tight connection between the lines, efficient fuel transfer, and proper system operation. In racing or high performance vehicles, these connections often have to cope with high pressures and flow rates, so high quality fittings must be used.

Sealed against leaks

Leaks at any point in the fuel system can lead to safety hazards such as fire or fuel loss. The sealing performance of fuel fittings directly determines the safety of the fuel system. For straight-threaded fittings, O-ring or O-ring Boss Seal sealing technology is usually used to ensure that there is no leakage in the connection. For tapered threaded fittings, the friction between the joints provides partial sealing due to the tapered design of the threads themselves, but sealants or gaskets are often relied upon to further enhance sealing.

Adapting to vibration and temperature changes

Vehicles in operation, especially racing or high performance vehicles, often experience intense vibration and temperature fluctuations. Fuel couplings need to be able to adapt to this environment and maintain a stable connection.

Vibration Adaptation: At high speeds or during track driving, a vehicle’s engine, chassis and lines can vibrate intensely. Fittings need to be designed to be robust enough to prevent loosening or seal failure due to vibration.

Temperature variations: The temperature of the fuel system may vary during prolonged operation or in hot environments. Fittings need to be able to cope with the effects of thermal expansion and contraction to maintain a good seal and connection. Some high-performance fittings use high-temperature-resistant materials (such as aluminum or stainless steel) to ensure long-term stability.

Material Selection

Metals

Brass:

Brass is more commonly used in low-pressure fuel systems because of its good corrosion resistance and ease of machining. It is effective in resisting corrosion from fuels such as gasoline and diesel and is suitable for general fuel line connections. However, it may not be as durable as other materials in high-pressure or high-temperature environments.

Stainless Steel:

Stainless steel is extremely resistant to high pressures and temperatures, making it ideal for high-performance applications such as racing or heavy-duty diesel systems. Its durability and stability make it the most common material used in fuel systems with high performance requirements.

Nickel-plated steel:

Nickel-plated steel is typically more resistant to corrosion than pure steel and is relatively inexpensive, commonly found in stock or standard automotive parts. Nickel plating effectively prevents oxidation and rust and is suitable for general gasoline or diesel fuel systems.

Plastics/Composites

Nylon (PA):

Lightweight and with good oil and chemical resistance, nylon is commonly used for quick connectors (e.g., quick connectors). It is suitable for low to medium pressure environments and can withstand certain temperatures and chemicals, but may lose its strength with prolonged exposure to high temperatures.

Polyamide (PTFE):

PTFE (commonly known as Teflon) is a very high temperature and chemical resistant material that is particularly suitable for complex fuel types such as blends containing ethanol or high temperature applications. It is very chemically resistant to chemical reactions and corrosion in fuel systems and is commonly used for high grade fuel lines and connections.

Key Factors in Selection

Fuel Type

Chemical compatibility: Different types of fuel, such as gasoline, diesel, and ethanol-based fuels, have different chemical compositions and corrosive properties. Accessory materials must be compatible with the fuel used to avoid corrosion or damage to the system. For example, ethanol-based fuels are more corrosive than conventional gasoline, so corrosion-resistant materials (e.g., stainless steel, aluminum alloy coatings, etc.) must be used to ensure the safety and long life of the fuel system.

Pressure Ratings

High Pressure System Requirements: Modern high performance engines (especially direct injection engines) are often subjected to high fuel pressures. In this case, the fuel fittings need to be more pressure resistant. Metal threaded fittings are the more common choice as they are able to withstand higher pressures than plastic fittings, ensuring a tight and safe system.

Low-pressure and conventional systems: For low-pressure systems or conventional fuel injection systems, fittings suitable for low-pressure operating environments can be selected, usually made of plastic or aluminum alloy.

Temperature range

High Temperature Resistance Requirements: Certain fuel systems (e.g. turbocharged engines) can generate high temperatures, especially in components close to the engine or exhaust system. Therefore, fuel fittings need to be able to withstand high temperatures to prevent breakage or failure due to overheating. Commonly used high temperature resistant materials include stainless steel and titanium alloys.

Low Temperature Performance: Vehicles used in cold climates also need to ensure that the fittings are able to withstand changes in fuel flow at low temperatures to prevent joints from freezing or leaking.

Regulatory Standards

Compliance with industry standards: To ensure safety and performance, fuel fittings need to comply with relevant regulations and standards. For example, the SAE J2044 standard applies to quick-connect fittings, while ISO certification ensures product quality and consistency. Fittings that meet these standards not only ensure performance, but also fulfill vehicle safety inspection requirements.

Have any questions?

Ask us anytime and our experts will provide you with professional answers.

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.

Custom Manufacturing

Tailor-made fuel accessories to meet specific application requirements.

Fast Delivery

Optimize the production process to ensure fast and efficient delivery of products.

International Certification

All products comply with international standards to ensure compliance.

Competitive Price

Provide high performance fuel accessories at reasonable price to ensure customers get the maximum value.

Professional Technical Support

Provide a full range of technical advice and support to help customers solve application problems.

After-sales Service

Provide timely and responsive after-sales service to ensure that customers have no worries in the process of utilization.

Why Choose Topa Fuel Fitting

Topa’s fuel fittings are made from high-quality materials such as stainless steel and other corrosion-resistant alloys, ensuring that our fittings can withstand a wide range of harsh environmental conditions, whether it’s high temperatures, high pressures, or corrosive fuels. Our products are precision machined for superior durability and long service life, reducing replacement frequency and maintenance costs.

We follow strict industry standards in our manufacturing process to ensure the precision and sealing performance of every fitting. Whether it’s a straight-threaded or tapered fitting, Topa provides precision fittings that meet the highest standards to ensure that fuel systems operate reliably under high-pressure, high-speed operating conditions. Our fittings prevent leakage and pressure loss, increasing the efficiency and safety of the entire system.

Topa not only provides standardized fuel fittings, but also customized solutions according to customers’ needs. We understand that every project has different requirements, and we welcome customers to ask us about specific technical parameters or customization needs. Our professional team is always available to provide technical support and advice to ensure that your fuel system operates worry-free.

If you have any questions or need more information, please feel free to contact us!

Your Reliable Fuel Fittings Supplier

At Topa, we are committed to providing top-quality fuel line fittings that meet the most demanding performance and safety standards. Our products are designed to withstand the harsh conditions of high-performance engines, ensuring reliable fuel flow and secure connections in even the most challenging environments. Whether you’re working with gasoline, diesel, or ethanol-based fuels, our fittings are engineered for chemical compatibility and long-lasting durability.

We understand the importance of precision and reliability when it comes to fuel systems. That’s why our fuel line fittings are manufactured with the utmost care, using advanced machinery and high-quality materials such as stainless steel. Every fitting undergoes rigorous testing to ensure they meet both international standards and your specific requirements, making Topa the trusted choice for professionals in automotive, racing, and industrial sectors.

If you have any questions about our fuel fittings or need assistance with product selection, feel free to reach out. Our team is here to provide expert advice and support to help you choose the right fittings for your needs. Don’t hesitate to send us your inquiries, and we’ll be happy to assist you!

FAQ

What is a fuel line fitting?

A fuel line fitting is a metal fitting that can be used to connect a hose to a fuel tank.

What materials are fuel line fittings available in?

Aluminum, stainless steel, and brass.

Where can fuel fittings be used?

Motor vehicles, boats, race cars, etc.

What are the advantages of fuel line adapters?

They allow fuel to flow smoothly through the fuel system.

What are the sizes of fuel fittings?

Common sizes range from 1/8′-1′, etc.

What are the threads of fuel hose fittings?

AN/JIC, NPT, NPTF, and ORB.

Can sealants be used on fuel hose adapters?

Yes, sealants will reduce the risk of leakage.

Can I customize the fuel adapter?

You can customize fuel line fittings.

What is the lead time for making fuel line fittings?

30-45 days.

What kind of fuel lines can be connected to the fittings?

PTFE pipe, braided pipe, and high-pressure hose.

Fuel Line Fittings Manufacturer in China

❖ Made of aluminum alloy

❖ Fuel fittings are lightweight

❖ Good sealing properties

❖ Easy to install

Product List

Fuel Line Hose Barb

Push Lock Fuel Fitting

An Fuel Line Fittings

PTFE Fuel Line Fittings

Bulkhead Fuel Line Fitting

Fuel Line An Fitting

Fuel Line Elbow Fitting

6An Fuel Line Fitting