Tube Fittings

Easy to install, disassemble, and reassemble

FITOK tube fittings, composed of a body, ferrule, and nut, are available in both single and double ferrule designs. These fittings provide leak-tight gas closure, offering resistance to vibration fatigue in harsh environments or high pressure applications, and withstanding high and extreme temperatures. Besides, they are easy to install, disassemble, and reassemble in various cases. FITOK tube fittings are available in a range of materials and designs to suit various working conditions. 

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  • Tube Fittings, 6D Series

    6D Series Double Ferrule Tube Fittings provide reliable, leak-tight connections with easy assembly.  Available in various shapes (union straights, elbows, tees, crosses), materials (316 stainless steel, alloy, brass, duplex stainless steel), and sizes (1/16" to 2"), these fittings reduce installation time and maintenance costs while improving system reliability and extending operational lifespan. The maximum working pressures of the tube ends at ambient temperature are determined by the maximum working pressure of the FITOK Tubing that is used.

     

    FITOK tube fittings are EC-79 certified and have passed ASTM F1387 tests. They have undergone extensive testing, including exposure to repeated demanding external forces, environmental changes, and multiple cycles of assembly and disassembly. These rigorous tests confirm that FITOK tube fittings maintain leak-tight performance and exhibit exceptional product quality, ensuring reliable operation in harsh conditions.

  • Medium Pressure Tube Fittings, 20D Series

    20D Series Medium Pressure Double Ferrule Tube Fittings feature a front and rear ferrule design for easy assembly, disassembly, and reassembly. They withstand high temperatures and pressures, remain unaffected by pressure and temperature cycles, and prevent leaks caused by vibrations, even in extreme working conditions. The working pressure of the tube ends at ambient temperature is determined by the working pressure of the tubing used, which is up to 20,000 psig (1379 bar). These fittings are EC-79 certified and suitable for 70 MPa vehicle hydrogen systems.  Available in various sizes and types, they deliver optimal performance when paired with FITOK T20D series tubing.

  • Single Ferrule Tube Fittings, 6S Series

    6S Series Single Ferrule Tube Fittings feature a simple design for easy installation and excellent vibration resistance. The single ferrule design minimizes the risk of incorrect installation, reducing leak risks and enhancing safety. While double ferrule fittings are more common, single ferrule fittings remain a viable option for specific applications due to their unique features.

  • 37° Flared Tube Fittings

    37° Flared Tube Fittings are designed and manufactured in compliance with SAE J514. These fittings offer easy assembly and disassembly. Hardened threads with smooth finishes prevent galling and extend service life, while the radius junction design for elbows ensures smooth flow paths. These fittings are available in various shapes (union straights, elbows, tees, crosses) and materials (316 stainless steel, aluminum, carbon steel) for diverse connection needs.

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