Teco Tube Expanders Company

Tube expanders for Condensers and Heat Exchangers Expansion range at the middle of roll length. Note: ExpanderTTR 800 is also available as four or five roll expander. Selection Guide: Model : TTR 800 Tube Size I.D. .313” - 1.378” (7.9 - 35 mm) TECO TACK Rolling Tube Expander Conical expander to expand the tube at the tube sheet face, before tube to tubesheet welding. EXPANDER NO. MIN. TOOL MAX. SIZE SQUARE ROLL SET NO. MANDREL NO. EXPANSION EXPANSION ON MANDREL inch mm inch mm TTR-797 .313 7.9 .354 9.0 3/8 “ TR-797 MT-797 TTR-801 .349 8.9 .390 9.9 3/8 “ TR-1 MT-1 TTR-805 .381 9.7 .427 10.8 3/8 “ TR-3 MT-2 TTR-811 .433 11.0 .515 13.1 3/8 “ TR-5 MT-5 TTR-815 .461 11.7 .543 13.8 3/8 “ TR-6 MT-6 TTR-819 .480 12.2 .574 14.6 3/8 “ TR-7 MT-6 TTR-823 .535 13.6 .630 16.0 3/8 “ TR-9 MT-8 TTR-831 .602 15.3 .713 18.1 3/8 “ TR-12 MT-9 TTR-833 .633 16.1 .744 18.9 3/8 “ TR-13 MT-10 TTR-843 .701 17.8 .823 20.9 3/8 “ TR-16 MT-12 TTR-849 .771 19.6 .902 22.9 3/8 “ TR-18 MT-13 TTR-855 .826 21.0 .957 24.3 3/8 “ TR-21 MT-13 TTR-863 .925 23.5 1.063 27.0 1/2 “ TR-24 MT-15 TTR-871 1.004 25.5 1.142 29.0 1/2 “ TR-28 MT-17 TTR-881 1.094 27.8 1.236 31.4 1/2 “ TR-32 MT-18 TTR-885 1.142 29.0 1.284 32.6 1/2 “ TR-34 MT-20 TTR-895 1.248 31.7 1.390 35.3 1/2 “ TR-37 MT-21 TTR-899 1.378 35.0 1.524 38.7 1/2 “ TR-38 MT-22 tube expanders company 19