Pipe Flanges SAE - Butt Weld to - Metric Pipes ND40 Hochdruckfl nsche 14 Material: 1 ST 44.3 (FE 430)............................Carbon Steel 2. 1.4404 316L..................................Stainless ordering code: ST 44.3 1.4404 ∗13.5 for UNC screws flange only AFS... AFx... flange with metric screws and o-ring AFS...M AFx...M flange with unc screws and o-ring AFS...U AFx...U 3.000 Series Size Type Tube A B1 B2 C D E F G H ØL M(Screws) Weight kg Metric UNC 1/ 2" AFS 401 SRE 20 20 x 3 20 14 14 40.49 54 18.24 46 34 16 9 M8 x 30 5/ 16 " x 11/ 4 " 0.29 3/ 4" AFS 402 SRE 20 20 x 3 20 14 14 50.80 71 23.80 55 35 21 11 M10 x 35 3/ 8 " x 11/ 2 " 0.50 3/ 4" AFS 402 SRE 25 25 x 4 25 17 17 50.80 71 23.80 55 35 21 11 M10 x 35 3/ 8 " x 11/ 2 " 0.53 1" AFS 403 SRE 25 25 x 4 25 17 17 57.15 81 27.76 65 42 25 13 M12 x 45 7/ 16 " x 11/ 2 " 0.76 1" AFS 403 SRE 30 30 x 4 30 22 22 57.15 81 27.76 65 42 25 13 M12 x 45 7/ 16 " x 11/ 2 " 0.80 11/ 4" AFS 404 SRE 30 30 x 4 30 22 22 66.68 95 31.75 78 44 25 ∗ 15 M14 x 45 1/ 2 " x 13/ 4 " 1.20 11/ 4" AFS 404 SRE 38 38 x 6 38 26 26 66.68 95 31.75 78 44 25 ∗ 15 M14 x 45 1/ 2 " x 13/ 4 " 1.29 11/ 2" AFS 405 SRE 38 38 x 6 38 26 26 79.38 112 36.50 94 56 28 17 M16 x 50 5/ 8 " x 2" 1.52 11/ 2" AFS 405 SRE 48 48.3 x 8 49 32 32 79.38 112 36.50 94 56 28 17 M16 x 50 5/ 8 " x 2" 1.57 11/ 2" AFS 405 SRE 60 60.3 x 10 61 40 40 79.38 112 36.50 94 56 28 17 M16 x 50 5/ 8 " x 2" 1.65 2" AFS 406 SRE 60 60.3 x 10 61 40 40 96.82 134 44.45 114 65 33 21 M20 x 60 3/ 4 " x 21/ 2 " 2.45 2" AFS 406 SRE 76 76.1 x 12.5 76 48 48 96.82 134 44.45 114 80 33 21 M20 x 60 3/ 4 " x 21/ 2 " 2.96
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