Flexible stainles steel connectors are generally selected where rubber connectors are not suitable. For example, in permanent piping installations where flexibility is required, extreme high or low temperature applications, or corrosive, combustible or toxic environments. Male NPT hex fittings are welded to hose. All assemblies are 100% factory tested. Works up to 800°C, but working pressure decreases as temperature increases. Braiding is type 321 stainless steel, helical corrugated. All assemblies are 12" in length.