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Class 600 Standard Connection Flanges

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Long Weld Neck "LWN" Heavy Barrel "HB"  Equal Barrel "E"
   

 Class 600 - Standard Connection Specifications

Size     Flange     Barrel OD     Bolting     Nut     Stud Bolt     Weights           Length
Nom Bore LWN & E Bore HB OD Thk RF of OD LWN HB E # ofHoles Hole Size Bolt Circle Stop Dia Relief Dia Relief Length Size RF Length RTJ Length LWN   HB   E   Base
  B T D D D     C NS NR NL       Base Per  1" Base Per  1" Base Per  1"
 1/2 0.5 0.55 3.75 0.56 1.38 1.5 1.75 3.75 4 0.62 2.62 1.75 1.5 0.75 1/2 3    3    5 0.4 7 0.6 24 3.1 9
 3/4 0.75 0.74 4.62 0.62 1.69 1.88 2.19 4.62 4 0.75 3.25 2.19 1.88 0.88 5/8 3 1/2 3 1/2 8 0.7 11 0.9 36 4.6 9
1 1 0.96 4.88 0.69 2 2.12 2.44 4.88 4 0.75 3.5 2.44 2.12 0.88 5/8 3 1/2 3 1/2 9 0.8 12 1.1 39 5.1 9
1 1/4 1.25 1.28 5.25 0.81 2.5 2.5 2.81 5.25 4 0.75 3.88 2.81 2.5 0.88 5/8 3 3/4 3 3/4 13 1 15 1.4 44 5.8 9
1 1/2 1.5 1.5 6.12 0.88 2.88 2.75 3.25 6.12 4 0.88 4.5 3.25 2.75 1 3/4 4 1/4 4 1/4 16 1.2 21 1.9 59 7.8 9
2 2 1.94 6.5 1 3.62 3.31 3.94 6.5 8 0.75 5 3.94 3.31 0.88 5/8 4 1/4 4 1/4 20 1.5 29 2.6 67 8.5 9
2 1/2 2.5 2.32 7.5 1.12 4.12 3.94 4.62 7.5 8 0.88 5.88 4.62 3.94 1 3/4 5 4 3/4 27 2.1 39 3.6 85 11 9
3 3 2.9 8.25 1.25 5 4.62 5.38 8.25 8 0.88 6.62 5.38 4.62 1 3/4 5 5 1/4 36 2.7 50 4.6 104 13 9
3 1/2 3.5 3.36 9 1.38 5.5 5.25 5.81 9 8 1 7.25 5.81 5.25 1.12 7/8 5 1/2 5 1/2 45 3.4 57 5 116 15 9
4 4 3.83 10.75 1.5 6.19 6 7.06 10.75 8 1 8.5 7.06 6 1.12 7/8 5 3/4 6 77 4.5 113 7.8 238 22 12
5 5 4.81 13 1.75 7.31 7.5 8.88 13 8 1.12 10.5 8.88 7.5 1.25 1    6 1/2 6 1/2 123 7 180 12 336 32 12
6 6 5.76 14 1.88 8.5 8.75 9.88 14 12 1.12 11.5 9.88 8.75 1.25 1    6 3/4 7 152 9 207 14 373 36 12
8 8 7.62 16.5 2.19 10.62 10.75 11.94 16.5 12 1.25 13.75 11.94 10.75 1.38 1 1/8 7 3/4 8 207 11 277 19 478 46 12
10 10 9.56 20 2.5 12.75 13.5 15 20 16 1.38 17 15 13.5 1.5 1 1/4 8 1/2 8 3/4 324 18 433 30 683 67 12
12 12 11.38 22 2.62 15 15.75 17.25 22 20 1.38 19.25 17.25 15.75 1.5 1 1/4 8 3/4 9 393 23 533 37 779 76 12
14 14 14 23.75 2.75 16.25 17 18.56 23.75 20 1.5 20.75 18.56 17 1.62 1 3/8 9 1/4 9 1/2 471 21 631 33 1149 82 16
16 16 16 27 3 18.5 19.5 21.38 27 20 1.62 23.75 21.38 19.5 1.75 1 1/2 10    10 1/4 638 28 856 45 1471 105 16
18 18 18 29.25 3.25 21 21.5 23.19 29.25 20 1.75 25.75 23.19 21.5 1.88 1 5/8 10 3/4 11 731 31 941 48 1628 118 16
20 20 20 32 3.5 23 24 25.94 32 24 1.75 28.5 25.94 24 1.88 1 5/8 11 1/2 11 3/4 916 39 1180 61 1920 139 16
24 24 24 37 4 27.25 28.25 30.06 37 24 2 33 30.06 28.25 2.12 1 7/8 13 13 1/2 1210 49 1486 73 2376 176 16

Dimensions are in inches. Weights are in pounds.

Class 600 Standard Connection Flange PDF (for printing).