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The 100314301 Stainless Steel Vacuum Tubing Fitting has 0.75 inch outside diameter and 0.065 in. wall thickness. This flangeless 304 stainless steel vacuum tubing is used for butt weld joining to other Series 23 buttweld fittings and Series 31 ISO-KF vacuum flanges. Tube ends are deburred, cleaned, and capped. Price is per 10 ft. length of tube. Series 23 vacuum buttweld fittings are constructed with welded, drawn, and annealed 304 stainless steel tubing for applications where minimizing the number of sealed joints is critical. Stainless steel vacuum tubing offers low outgassing under vacuum conditions, is chemically resistant, annealed for consistent leak free welding, and has minimized corrosion concentration points. Series 23 fittings are designed for internal socket type welding or external buttwelding.