Introducing Seelong's TF550, a high-quality and affordable aluminum alloy bayonet type quick connect coupling, certified by CMC, ISO9001, and CE, suitable for regular fluid or non-corrosive gas, with operating pressure of 0-10bar and temperature range of -15℃ to +100℃, featuring thumb press valve and pneumatic control, and available in various seal materials and interface options. Welcome to visit our website!