Tubing support Collet Trapezoidal thread Nut Clearance for extra tightening Body Seal surface Tubing Body Seal surface Collet Protrusion Corrugated retainer shape Nut Body Seal surface Tubing Fluoropolymer Fittings Hyper Fittings / Flare Type Series LQ3 �� Tubing retainer of the nut is made from a two-stage structure, enabling it to hold the tubing firmly. �� Fitting’s seal surface to the tubing adopts a unique design to the area’s pressure, resulting in improved sealing performance. �� To establish the tightening position, a gauge control is not required as the nut is designed to be tightened until the end surface of the fitting’s main body. �� Strengthening the prevention of the tubing release by means of the collet structure. �� Sealing performance is highly maintained in a circumferential seal surface having a unique shape even under thermal stress conditions. Seal 3 Seal 2 Seal 1 Seal 3 Flare type collet construction Triple-seal construction Ease of installation Excellent flow-through characteristics Excellent heat resistance 200°C compatible P.790 Providing additional strength against possible tube bending or deformation. Prevents the nut from loosening at a high tightening torque, and from installing in a tilted position. Heat resistant. 738