Description
Product Overview
The PATIKIL copper flare gasket is engineered for precision sealing of 5/8″ tube OD flare connections. Crafted from high‑quality copper, each gasket measures 19.5 x 13.1 x 3.1 mm and features a smooth, burr‑free surface that promotes a leak‑free joint. Packaged in sets of 10, these gaskets are designed for use with brass, aluminum, chopper and welded steel hydraulic tubing, providing reliable performance in demanding environments.
Usage
These gaskets are perfect for air‑conditioner and refrigeration systems, as well as gas and hydraulic applications where a 45° flare pipe fitting is required. Install them on flared copper pipes, flare nuts, plugs or adapters to achieve a secure, airtight connection. 
Why Choose Us
PATIKIL guarantees superior material quality and dimensional accuracy. Our copper gaskets resist wear, deformation and corrosion, ensuring longevity even under high pressure and temperature variations. Each piece undergoes strict quality control to meet industrial standards, giving you confidence in every installation.
Key Features
- Premium copper construction for excellent ductility and corrosion resistance
- Precise 5/8″ OD size fits standard flared tube fittings
- Smooth, burr‑free surface ensures easy installation and a tight seal
- Durable design resists wear and deformation under high pressure
- Versatile compatibility with brass, aluminum, steel and copper flare components
FAQ
What tube sizes are compatible with this gasket?
The gasket is designed for 5/8″ tube outer diameter fittings, commonly used in HVAC, refrigeration and hydraulic systems.
Can I use these gaskets with stainless steel flare fittings?
Yes, the copper material works well with stainless steel, brass, aluminum and other common flare fitting materials.
How many gaskets are included in one package?
Each package contains 10 individual copper flare gaskets.
Are these gaskets reusable?
While they are durable, for optimal sealing performance we recommend using a new gasket for each installation.
What is the best way to install the gasket?
Place the gasket on the flare face, ensure it is seated evenly, then tighten the flare nut to the manufacturer’s torque specifications.





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