Our flareless bite-type fittings are designed to provide a secure, leak-proof seal without the need for flaring the tubing. These fittings consist of a nut, ferrule, and body, and create a seal by pushing the ferrule’s cutting edge into the tubing wall, making them ideal for medium to heavy-walled tubing. The main advantage of flareless fittings is that they eliminate the flaring process while still providing a high resistance to vibration and ensuring a leak-free connection. OneHydraulics offers a wide range of steel and stainless steel flareless bite-type fittings, which meet the highest performance standards, helping prevent leaks and reduce torque in hydraulic systems. In contrast, instrumentation tube fittings are designed for more precise applications in systems requiring tighter seals, such as those found in fluid power, aerospace, or chemical industries. These fittings, like compression or double ferrule instrumentation fittings, offer a higher level of control over fluid and gas flow in low and high-pressure applications, and they are often used in systems requiring more stringent leak-proof seals and higher reliability. The key difference lies in the application—flareless bite-type fittings are ideal for robust industrial environments, while instrumentation fittings are tailored for more sensitive, high-precision systems.