Download Pocket Guide - Andrews Sykes

FLANGESIZESImperial Flanges BS10 in InchesNominal Bore Table FlangeDiameterP.C.DBoltDimensionsNumber ofHolesFlangeThickness1 D 4 1/2 3 1/4 1 x 1/2 4 3⁄161 E 4 1/2 3 1/4 1 1/4 x 1/2 4 9⁄321 1/2 D 5 1/4 3 7/8 1 1/4 x 1/2 4 1/41 1/2 E 5 1/4 3 7/8 1 1/2 x 1/2 411⁄322 D 6 4 1/2 1 1/2 x 5/8 4 5⁄162 E 6 4 1/2 1 3/4 x 5/8 4 3/83 D 7 1/4 5 3/4 1 3/4 x 5/8 4 3/83 E 7 1/4 5 3/4 1 3/4 x 5/8 4 7⁄164 D 8 1/2 7 1 3/4 x 5/8 4 3/84 E 8 1/2 7 2 x 5/8 8 1/26 D 11 9 1/4 2 x 5/8 8 1/26 E 11 9 1/4 2 1/2 x 3/4 811⁄168 D 13 1/4 11 1/2 2 x 5/8 8 1/28 E 13 1/4 11 1/2 21/2 x 3/4 8 3/410 D 16 14 21/2 x 3/4 8 5/810 E 16 14 2 3/4 x 3/4 12 7/812 D 18 16 2 1/2 x 3/4 12 3/412 E 18 16 3 1/4 x 3/4 12 1Metric Flanges BS4504 in MillimetersNominal Bore NP FlangeDiameterP.C.DBoltDimensionsNumber ofHolesFlangeThickness25 10 115 85 12 x 50 4 1625 16 115 85 12 x 50 4 1640 10 150 110 16 x 60 4 1640 16 150 110 16 x 60 4 1650 10 165 125 16 x 60 4 1850 16 165 125 16 x 60 4 1880 10 200 160 16 x 65 8 2080 16 200 160 16 x 65 8 20100 10 220 180 16 x 70 8 20100 16 220 180 16 x 70 8 20150 10 285 240 20 x 70 8 22150 16 285 240 20 x 70 8 22200 10 340 295 20 x 80 8 24200 16 340 295 20 x 90 12 24250 10 395 350 20 x 80 12 26250 16 405 355 24 x 90 12 26300 10 445 400 20 x 80 12 26300 16 460 410 20 x 90 12 28sykes-pumps.comor call us Free on 0800 211 611INFORMATION...................FLANGE SIZES180