World-Class Sealing System Solution

Don’t compromise on the safety and efficiency of your hydraulic system. Experience superior sealing solutions with our expander plugs – designed to keep your system running smoothly and safely.

One-Stop Expander Plug Solution

Pressurized gas or fluids pass through a device channel in a system. These channels connect to other internal passageways by drilling them from the outside. The drilled holes must be sealed to prevent leakage and ensure smooth device operation. Other sealing options exist, but our expander plugs are the most cost-effective solution.

Are you looking for a reliable and efficient sealing solution for your hydraulic system? Target Hydraulics has got you covered. Our expander plugs are the ultimate solution for sealing fluid systems with drilled holes. With its very low failure rate, you can assure high-quality, industry-leading, and excellent sealing performance.

Compared to other sealing solutions, Target Hydraulics expander sealing plugs can offer better and leakproof performance at a lower cost even in a harsh condition application. We manufacture these plugs with a one-piece design. Hence, you don’t have to worry about their installation. You can easily integrate them into your hydraulic system, manufacturing operations, and more.

You can choose different styles, sizes, and material options for various applications. Guarantees that each expander plug is 100% inspected to ensure zero defects. Whether you need bulk or low-volume expander plug orders, Target Hydraulics can be your reliable supplier. Please send us your inquiries today!

Advanced Sealing Technology

Push-Style Expander Plugs
Push-Style Expander Plugs
Pull-Type Expander Plugs
Rifle Expander Plugs
Pistol Expander Plugs
4 Products Found.

How Can Your Hydraulic System Benefit from Our Expander Plugs

Superior Sealing

Our expander plugs are manufactured with high precision. Thus, you can be assured that it can provide a tight and reliable seal to ensure a leakproof and contaminant-free system.

Easy to Install
Easy to Install

Designed with ease of use, our expander plugs can be installed effortlessly and quickly. This design allows you to save time and reduce downtime.

Increased Safety
Increased Safety

Our expander plugs help prevent any contaminants from entering your hydraulic systems. Therefore, providing maximum protection and reliability under all conditions.


Target Hydraulics offers expander plugs that are cost-effective solutions for maintaining system integrity. Thus, you can save money in the long run while prolonging life span.

Made from Quality Materials

Manufactured from premium quality materials, our expander plugs offer exceptional durability and wear & tear resistance. They can also withstand extreme conditions and harsh environments. Common materials used for our expander plug production includes:

  • The body of our expander plug is made from stainless steel, aluminum, galvanized steel, surface-hardened steel, and more.
  • Its ball is also made from tempered or heat-treated stainless steel or roller-bearing steel.

Offers Versatility to Meet Your Application Needs

Target Hydraulics designed expander plugs with maximum versatility and adaptability for various uses. You can use them for your applications such as:

  • Gearboxes
  • Engines
  • Braking systems
  • Suspensions
  • Fuel injection systems
  • Transmissions
  • Medical devices
  • Construction machinery
  • Commercial vehicles

Why Choose Target Hydraulics as Your Dependable Expander Plug Manufacturer

Target Hydraulics is committed to helping you find and choose the best expander plugs for your needs. With our years of experience, you can be assured that we provide excellent sealing solutions. Thus, we offer one-stop services such as C-parts optimizations, process monitoring, and complete sourcing systems.

Can’t find what you’re looking for? Our team will work closely with you to determine your specifications and provide custom solutions. You can send us details such as specific sizes or materials that perfectly align with your project.

Our team of experts is always on hand to provide guidance and support. Whether you need help with installation, troubleshooting, or selecting the right plug for your application, we’re here to assist you. Feel free to contact us!

Technical Details

Working Pressure Up to 550 Bar
Working Temperature -40-150°C
Medium Water, Oil, Hydraulic Fluid
Available Sizes 3 to 22mm (diameter)
  • “Switching to these expander plugs was the best decision for our hydraulic systems. We’ve seen a significant reduction in leaks and maintenance issues.”

  • “The durability and reliability of these plugs are unmatched. They have greatly improved the efficiency of our operations.”

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AddressDinghai Road 66#, Zhenhai, Ningbo, Zhejiang, China
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