Description
Product Overview
The PATIKIL 4mm Brass Compression Fitting is engineered to deliver a secure, leak‑free connection for a wide range of tubing applications. Crafted from high‑grade brass, the fitting provides exceptional corrosion resistance and long‑term durability, even in demanding environments where exposure to moisture, oil, or chemicals is common. The gold‑tone exterior finish not only adds a professional aesthetic but also offers an additional layer of protection against wear and tarnish, ensuring the fitting maintains its appearance and performance over time.
Each fitting features a precision‑machined compression sleeve that slides over the tube and is tightened with a simple hand‑tightened nut, eliminating the need for specialized flaring tools. The design accommodates a tube ID of 4mm (0.16″) and provides a total outer dimension of 6mm x 10.5mm, making it compatible with standard copper, brass, aluminum, and compatible plastic tubing. The 20‑piece pack is packaged in a compact, easy‑to‑store box, allowing professionals and DIY enthusiasts alike to keep an ample supply on hand for multiple projects or future maintenance tasks.
Beyond its functional attributes, the fitting is tested to meet rigorous industry standards for pressure tolerance, ensuring reliable performance in both low‑pressure water distribution systems and higher‑pressure hydraulic circuits. The brass material also offers excellent thermal conductivity, which helps dissipate heat generated during operation, further extending the service life of the fitting and the connected tubing.
![[Product front view showing all components]](https://www.bigquickgo.store/wp-content/uploads/2026/08/838e75f22aa34f6abae4e4fb7080dfb7.jpg)
Usage
This compression fitting is ideally suited for a variety of applications across residential, commercial, and industrial settings. In plumbing installations, it provides a quick and secure method for joining water supply lines, irrigation systems, and faucet connections without the need for soldering or welding. For HVAC technicians, the fitting offers a reliable solution for connecting refrigerant lines, condensate drains, and ventilation ducts, where a tight seal is critical to system efficiency and safety.
In the automotive and marine sectors, the fitting excels at joining fuel, oil, and coolant lines where vibration resistance and leak prevention are paramount. Its compatibility with both metal and flexible plastic tubing makes it a versatile choice for custom rigs, prototype builds, and repair work. Additionally, hobbyists and makers can employ the fitting in robotics, aquaponics, and DIY water‑cooling loops, benefiting from the ease of installation and the ability to re‑use the fitting after disassembly.
Why Choose Us
PATIKIL is a trusted brand known for delivering high‑quality fittings that meet stringent manufacturing standards. Each batch of compression fittings undergoes comprehensive testing for dimensional accuracy, pressure endurance, and corrosion resistance, ensuring that every product that leaves the factory performs reliably in the field. Our commitment to quality is backed by a dedicated customer support team that provides technical assistance, installation guidance, and after‑sales service to help you get the most out of your purchase.
Choosing PATIKIL means investing in a product that combines superior material selection with thoughtful engineering. The brass construction is sourced from reputable suppliers, and the gold‑tone finish is applied using a controlled plating process that guarantees uniform coverage and long‑lasting shine. We also prioritize sustainability by employing environmentally responsible manufacturing practices and offering recyclable packaging, aligning our products with the growing demand for eco‑friendly solutions.
Key Features
- Corrosion‑resistant brass construction ensures long service life even in wet or oily environments.
- Gold‑tone finish provides a professional look while adding an extra layer of protection against wear.
- Compression sleeve design allows quick installation without the need for flaring tools or solder.
- Fits 4mm ID tubing and is compatible with copper, brass, aluminum, and plastic hoses for versatile use.
- Backed by PATIKIL customer support and a comprehensive warranty for peace of mind.
FAQ
What types of tubing can I use with this fitting?
The fitting is compatible with copper, brass, aluminum, and most plastic tubing that has a 4mm (0.16″) inner diameter. It works well with both rigid and flexible hose materials.
Do I need any special tools to install the fitting?
No special tools are required. The compression sleeve is tightened by hand using the built‑in nut, making installation fast and straightforward.
Can this fitting handle high pressure applications?
Yes. The brass material and precision‑engineered compression design are rated for typical hydraulic and pneumatic pressures found in residential and light‑industrial systems. Always verify the pressure rating for your specific application.
Is the gold‑tone finish purely decorative?
While the gold‑tone finish adds an attractive appearance, it also serves a functional purpose by providing an additional barrier against corrosion and surface wear, extending the fitting’s lifespan.
What is the warranty coverage for this product?
PATIKIL offers a limited warranty that covers manufacturing defects for a period of one year from the date of purchase. Contact our support team for assistance with any issues you may encounter.
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