【Adjustable Knob】There is a metal knob on the top of the connector, which can be used to adjust the flow rate of the medium in the pipe to adapt to the current situation 【Good Sealing】Our control valve is pre-coated at both ends, which has good sealing performance after installation 【Convenience】The release ring of quick disconnect tube fittings with elliptical design at both ends is convenient for pneumatic installation in a narrow space, and the disassembly is more convenient and labor-saving 【Easy To Use】The pneumatic quick connector is mainly used for quick jointing air piping, pneumatic tools, it can realize the connection or disconnection of the pipe without other tools 【Widely Applications】Our line connector is widely applied in industries automatic production equipment like machinery, electronics, automobile, packaging for adjusting flew air supply to change driving speed for air cylinder or other operating elements, Manufacturer: Oumefar