Pre-installation stud Threaded plug acc. to DIN 3853 Port W acc. to DIN 3861 Series PN Tube O.D. M t5 i3 d10 d11+0.1 sf -Nr LL 100 4 M 8x1 4 8 3 5 592 4LL 6 M 10x1 5.5 8 4 7.5 592 6LL 8 M 12x1 5.5 9 6 9.5 592 8LL L 250 6 M 12x1.5 7 10 4 8.1 592 6L 8 M 14x1.5 7 10 6 10.1 592 8L 10 M 16x1.5 7 11 7 12.3 592 10L 12 M 18x1.5 7 11 9 14.3 592 12L 15 M 22x1.5 7 12 11 17.3 592 15L 160 18 M 26x1.5 7.5 12 14 20.3 592 18L 22 M 30x2 7.5 14 18 24.3 592 22L 100 28 M 36x2 7.5 14 23 30.3 592 28L 35 M 45x2 10.5 16 30 38 592 35L 42 M 52x2 11 16 36 45 592 42L S 630 .6 M 14x1.5 7 12 4 8.1 592 6S 8 M 16x1.5 7 12 5 10.1 592 8S 10 M 18x1.5 7.5 12 7 12.3 592 10S 12 M 20x1.5 7.5 12 8 14.3 592 12S 14 M 22x1.5 8 14 10 16.3 592 14S 400 16 M 24x1.5 8.5 14 12 18.3 592 16S 20 M 30x2 10.5 16 16 22.9 592 20S 25 M 36x2 12 18 20 27.9 592 25S 250 30 M 42x2 13.5 20 25 33 592 30S 38 M 52x2 16 22 32 41 592 38S For standard fittings and assemblies of stainless and acid proof steel tubes use hardened pre-installation bodies. Check accuracy of cones regularly by means of a cone gauge. Cut the tube square by means of a hacksaw. Do not use pipecutters! De-burr internally and externally slightly, do not chamfer edges. Fix pre-installation body according to tube size and series in a vice. Lubricate pre-installation body, nut and ferrule (see below). We recommend the following lubricants Tube 150g sf-81 G 50 Tube 100g sf-81 G 100 Can 250g sf-81 G 250 Slip nut and ferrule over the tube end (arrow collar towards cut). Turn union nut manually into the pre-installation stud. Press tube against stop inside of cone. Using the sf trademark, on the nut, mark the tube. Turn nut with spanner approx. 1 (one) full turn (the tube must remain stationary). The ferule will cut into the tube. Loosen nut and check ferrule. The ferrule must be sitting flush with tube on whole circumference. An equi-distant collar must be visible in front of ferrule. The ferrule can turn but should not be able to move backwards or forwards. Remark: Due to the tough tube material of AISI 316Ti there arises no comparable arching at the cutting edge e.g. as on steel tubes. Put pre-installed tube into fitting body. Approx. ¼ to ½ turn beyond point of clearly perceptible resistance. Using a second spanner to stop fitting from moving. Please use spanner if possible having 15-fold length of the width of this tool.