・It is made up of flare-type hybrid tube fittings that make use of an inner ring. ・Maximum operating temperature of 230 ℃, the first in the industry. ・Structure that does not accumulate contaminants by the special flare structure,pressure loss is reduced with the flat inner diameter. ・ Assembly is easy with the use of a special jig. ・ Piping can be easily fastened in place with the mounting hole on the tube fitting body.