Size mm inch 50 2” 65 2.5” 80 3” 100 4” 125 5” 150 6” 200 8” 250 10” 300 12” 350 14” 400 16” 450 18” 500 20” 600 24” 700 28” 800 32” 900 36” 1000 40” Dia of pipe (do) Dia flange (D) of Dia of center circls (D1) Inner Dia of flange (D3) Dia of projecting hole of flange (D4) Number of bolt ( n) Dia of bolt holes (d) Flange thickness (b*) Mini thickness of pipe (So*) Dimension of valve (B) 57 73 89 108 133 159 219 273 325 377 426 478 529 630 720 820 920 1020 165 185 200 220 250 285 340 395 445 505 565 615 670 780 895 1015 1115 1230 125 145 160 180 210 240 295 350 400 460 515 565 620 725 840 950 1060 1160 59 75 91 110 135 161 221 275 327 379 429 481 532 633 723 823 923 1023 50 65 80 100 125 150 209 255 308 340 405 455 505 605 705 810 900 1000 4 4 4 8 8 8 8 12 12 16 16 20 20 20 24 24 28 28 17.5 17.5 17.5 17.5 17.5 22 22 22 22 22 26 26 26 30 30 33 33 36 22 24 24 26 28 28 30 32 32 34 38 42 48 50 52 54 56 58 3.5 4 4 4 4 4.5 6 8 8 9 9 9 9 9 10 10 10 10 42 44.7 45.2 52.1 54.4 55.6 60.6 65.6 76.5 76.5 86.5 105.6 137.8 152 163 188 203 216 Flange & Installation Dimensions of Grade PN1.6Mpa Type “A”,”LT” Concentric Butterfly Valve
Size mm 50 65 80 100 125 150 200 250 300 350 400 450 500 600 700 800 inch 2” 2.5” 3” 4” 5” 6” 8” 10” 12” 14” 16” 18” 20” 24” 28” 32” Dia of pipe (do) Dia flange (D) of Dia of center circls (D1) Inner Dia of flange (D3) Dia of projecting hole of flange (D4) Number of bolt ( n) Dia of bolt holes (d) Flange thickness (b*) Mini thickness of pipe (So*) Dimension of valve (B) 57 73 89 108 133 159 219 273 325 377 426 478 529 630 720 820 165 185 200 220 250 285 340 405 460 520 580 640 715 840 910 1025 125 145 160 180 210 240 295 355 410 470 525 585 650 770 840 950 59 75 91 110 135 161 221 275 327 379 429 481 532 633 723 823 50 65 80 100 125 150 209 255 308 340 405 455 505 605 705 810 4 4 8 8 8 8 12 12 12 16 16 20 20 20 24 24 17.5 17.5 17.5 17.5 17.5 22 22 26 26 26 30 30 33 36 36 36 22 24 24 26 28 28 30 32 32 34 38 42 48 50 52 54 3.5 4 4 4 4 4.5 6 8 8 9 9 9 9 9 10 10 42 44.7 45.2 52.1 54.4 55.6 60.6 65.6 76.5 76.5 86.5 105.6 137.8 152 163 188
GB4216.4-4216.5-84
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