A non-welding type flexible hose with a union with a sealant, which is very useful for labor saving in piping work. [Features] -A product with easy piping because the metal fittings can be divided into two with a structure that has union metal fittings on both ends. -Excellent corrosion resistance. -Excellent flexibility and vibration isolation. - Stable sealing performance and high quality can be maintained. -Since the inner diameter of the tube is large, there is little pressure loss and the structure makes it easy to secure the flow rate. -Since the union is pre-applied with a sealant, the trouble of applying the sealant during piping can be saved. -The standard gasket is FCMB metal fittings = non-asbestos, SUS304 metal fittings = PTFE. [Application] -Can be used for general piping in general, such as piping error adjustment and displacement absorption. Generated from equipment