Equal Tube Elbow Air Fitting Series S6550 Allow fast connection and disconnection of plastic tube; it can be repeated several times and can be performed using one hand and without tools. The sealing ring (O-Ring) can be easily replaced if it is damaged or worn. This advantage derives from the simple execution of the internal collet, which can be extracted allowing the replacement of the O-Ring. General data: Material body and collet: brass OT nickel-plated O-Ring NBR, seal PTFE, NBR, PA Threads: M3, M5, M7, G1/8, G1/4. Pressure: min. -0,8 to max. 16bar (see tubing). Tube to connect rilsan: PA 6 - 11 - 12 , polyethylene, polyurethane. Diameters: 3, 4, 5, 6, 8, 10, 12 and 14mm. Fluid: compressed air (for other types of fluid, contact our engineers). Temperature: -10C to 60C (see data for tubing used).