Flaring Procedure PDF
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Summary
This document provides a step-by-step procedure for flaring tubing. It covers cutting, cleaning, and attaching nuts to the tubing. It emphasizes tightening and inspecting for defects during the flaring process.
Full Transcript
Flaring Procedure - Cut the tube to the correct length - Ream to remove all burrs and clean all residue from the tubing. - \*Slip the flare nut or coupling nut over the tubing with the threaded end facing the end of the tubing.\* - Clamp the tube in the flaring block. Adjust it so th...
Flaring Procedure - Cut the tube to the correct length - Ream to remove all burrs and clean all residue from the tubing. - \*Slip the flare nut or coupling nut over the tubing with the threaded end facing the end of the tubing.\* - Clamp the tube in the flaring block. Adjust it so that the tube is slightly above the block (about one-third of the total height of the flare). - Place the yoke on the block with the tapered cone over the end of the tube. Many technicians use a drop or two of refrigerant oil to lubricate the inside of the flare while it is being made. - Turn the screw down firmly. Tighten and loosen the screw several times during the flaring process to prevent the work from hardening. Continue until the flare is completed. - Remove the tubing from the block. Inspect for defects. If you find any, cut off the flare and start over. - Tighten flare nuts down to the recommended torque specification from the manufacturer.
