Class 600WN Flanges

Special One or Two Piece Ring and Orifice Plate Assembly - Groove Detail

Ring Type Joint Weld Neck Orifice Flanges Class 400 - 2500

Raised Face Weld Neck Orifice Flanges Class 400 - 2500

(Click any image above to enlarge it and lock it in place, then scroll to the bottom table for dimensions)
Drilling Ring Type Joint
Nom Size OD Thickness OD of RF Dia at base Dia Bevel LTH Dia of Pressure Connection Bolt Circle Hole Dia # of holes Bolt Dia Grove # Pitch Dia Groove Depth Groove width Rad at Bottom Spec Oval RH
O C R X A Y TT RF RJ P E F r max W
in 1 4.88 1.5 2 2.12 1.32 3.25  1/4 3.5 0.69 0.75 4  5/8 R16 2 0.25 0.344 0.03 1
mm 124 38.1 50.8 53.8 33.5 82.6 6.4 88.9 17.5 19.1 15.9 50.8 6.35 8.738 0.8 25.4
in 1 1/2 6.12 1.5 2.88 2.75 1.9 3.38  1/4 4.5 0.81 0.88 4  3/4 R20 2.688 0.25 0.344 0.03 1
mm 155.4 38.1 73.2 69.9 48.3 85.9 6.4 114.3 20.6 22.4 19.1 68.275 6.35 8.738 0.8 25.4
in 2 6.5 1.5 3.62 3.31 2.38 3.38  1/4 5 0.69 0.75 8  5/8 R23 3.25 0.312 0.469 0.03 1.06
mm 165.1 38.1 91.9 84.1 60.5 85.9 6.4 127 17.5 19.1 15.9 82.55 7.925 11.913 0.8 26.9
in 2 1/2 7.5 1.5 4.12 3.94 2.88 3.5  1/4 5.88 0.81 0.88 8  3/4 R26 4 0.312 0.469 0.03 1.06
mm 190.5 38.1 104.6 100.1 73.2 88.9 6.4 149.4 20.6 22.4 19.1 101.6 7.925 11.913 0.8 26.9
in 3 8.25 1.5 5 4.62 3.5 3.5  3/8 6.62 0.81 0.88 8  3/4 R31 4.875 0.312 0.469 0.03 1.06
mm 209.6 38.1 127 117.3 88.9 88.9 9.5 168.2 20.6 22.4 19.1 123.825 7.925 11.913 0.8 26.9
in 4 10.75 1.5 6.19 6 4.5 4  1/2 8.5 1 1 8  7/8 R37 5.875 0.312 0.469 0.03 1.06
mm 273.1 38.1 157.2 152.4 114.3 101.6 12.7 215.9 25.4 25.4 22.2 149.225 7.925 11.913 0.8 26.9
in 6 14 1.88 8.5 8.75 6.63 4.62  1/2 11.5 1.12 1.12 12 1 R45 8.312 0.312 0.469 0.03 1.06
mm 355.6 47.8 215.9 222.3 168.4 117 12.7 292.1 28.4 28.4 25.4 211.125 7.925 11.913 0.8 26.9
in 8 16.5 2.19 10.62 10.75 8.63 5.25  1/2 13.75 1.25 1.25 12 1 1/8 R49 10.625 0.312 0.469 0.03 1.06
mm 419.1 55.6 269.7 273.1 219.2 133 12.7 349.3 31.8 31.8 28.6 269.875 7.925 11.913 0.8 26.9
in 10 20 2.5 12.75 13.5 10.75 6  1/2 17 1.38 1.38 16 1 1/4 R53 12.75 0.312 0.469 0.03 1.06
mm 508 63.5 323.9 342.9 273.1 152 12.7 431.8 35.1 35.1 31.8 323.850 7.925 11.913 0.8 26.9
in 12 22 2.62 15 15.75 12.75 6.12  1/2 19.25 1.38 1.38 20 1 1/4 R57 15 0.312 0.469 0.03 1.06
mm 558.8 66.5 381 400.1 323.9 155.4 12.7 489 35.1 35.1 31.8 381.000 7.925 11.913 0.8 26.9
in 14 23.75 2.75 16.25 17 14 6.5  1/2 20.75 1.5 1.5 20 1 3/8 R61 16.5 0.312 0.469 0.03 1.06
mm 603.3 69.9 412.8 431.8 355.6 165 12.7 527.1 38.1 38.1 35.1 419.1 7.925 11.913 0.8 26.9
in 16 27 3 18.5 19.5 16 7  1/2 23.75 1.6 1.6 20 1 1/2 R65 18.5 0.312 0.469 0.03 1.19
mm 685.8 76.2 469.9 495.3 406.4 178 12.7 603.3 41.1 41.1 38.1 469.900 7.925 11.913 0.8 30.2
in 18 29.25 3.25 21 21.5 18 7.25  1/2 25.75 1.75 1.75 20 1 5/8 R69 21 0.312 0.469 0.03 1.19
mm 743 82.6 533.4 546.1 457.2 184 12.7 654.1 44.5 44.5 41.3 533.400 7.925 11.913 0.8 30.2
in 20 32 3.5 23 24 20 7.5  1/2 28.5 1.75 1.75 24 1 5/8 R73 23 0.375 0.531 0.06 1.25
mm 812.8 88.9 584.2 609.6 508 191 12.7 723.9 44.5 44.5 41.3 584.200 9.525 13.487 1.5 31.8
in 24 37 4 27.25 28.25 24 8  1/2 33 2 2 24 1 7/8
mm 939.8 101.6 692.2 717.6 609.6 203 12.7 838.2 50.8 50.8 47.6

(1) Bore diameter to be specified by purchaser
(2) Other NPT and SW connections available upon request.
Welding Neck Orifice Class 600 Flange PDF (for printing).