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Class 1500 Intermediate Connection Flanges

Intermediate Connection Angle note

Intermediate Barrel-I1-.25

Intermediate Barrel-I2-.25

Intermediate Barrel-I3-.25

(Click any image above to enlarge it and lock it in place, then scroll to the bottom table for dimensions)
Size Flange Barrel OD Bolting Nut Stud Bolt Weights Length
Nom Bore OD Thk. RF
OD		 I 1 I 2 I 3 No . of
Holes		 Hole
Size		 Bolt
Circle		 Stop
Dia.		 Relief
Dia.		 Relief
Length		 Size RF
Length		 RTJ
Length		 I1 I2 I3 Base
B 0 T R D D D C NS NR NL Base Per 1″ Base Per 1″ Base Per 1’ L
1 0.96 5.88 1.12 2.00 3.25 4.00 4.62 4 1.00 4 2.56 2.12 1.12 7/8   5   5 29 2.2 41 3.4 51 4.6 12
1 1/2 1.50 7.00 1.25 2.88 4.62 5.50 6.00 4 1.12 4.88 3.25 2.75 1.25 2 5  1/2 5  1/2 54 4.3 71 6.2 82 7.5 12
2 1.94 8.50 1.50 3.62 5.50 6.00 7.00 8 1.00 6.50 5.06 4.12 1.12 7/8 5   3/4 5   3/4 80 5.9 92 7.2 117 10.1 12
2 1/2 2.32 9.62 1.62 4.12 6.38 7.00 8.25 8 1.12 7.50 5.88 4.88 1.25 1 6  1/4 6  1/4 107 8 123 10 158 14 12
3 2.90 10.50 1.88 5.00 7.00 7.75 8.88 8 1.25 8.00 6.19 5.25 1.38 1  1/8   7   7 124 9 144 12 177 16 12
4 3.83 12.25 2.12 6.19 8.88 9.88 11.00 8 1.38 9.50 7.50 6.38 1.50 1  1/4 7  3/4 7  3/4 187 14 218 18 257 24 12
5 4.81 14.75 2.88 7.31 10.38 12.12 13.50 8 1.62 11.50 9.12 7.75 1.75 1  1/2 9  3/4 9  3/4 271 19 328 28 376 35 12
6 5.76 15.50 3.25 8.50 12.12 13.50 14.25 12 1.50 12.50 10.31 9.00 1.62 1  3/8 10  1/4 10  1/2 332 25 380 33 408 38 12
8 7.62 19.00 3.62 10.62 15.12 16.25 17.38 12 1.75 15.50 12.94 11.50 1.88 1  5/8 11  1/2 12  3/4 498 38 541 46 585 54 12
10 9.56 23.00 4.25 12.75 17.38 20.12 22.25 12 2.00 19.00 16.06 14.50 2.12 1 7/8 13  1/4 13  1/2 889 47 1088 70 1243 90 12
12 11.38 26.50 4.88 15.00 22.25 23.25 24.12 16 2.12 22.50 19.38 17.75 2.25  2 14  3/4 15  1/4 1348 81 1426 92 1495 101 16
14 14.00 29.50 5.25 16.25 23.25 25.00 27.75 16 2.38 25.00 21.50 19.50 2.50 2 1/4  16 16 3/4 1443 77 1579 95 1794 128 16
16 16.00 32.50 5.75 18.50 26.25 29.25 30.75 16 2.62 27.75 23.88 21.75 2.75 2 1/2 17 1/2 18 1/2 1771 96 1999 133 2111 153 16
18 18.00 36.00 6.38 21.00 27.75 30.75 33.62 16 2.88 30.50 26.25 23.50 03.00 2  3/4 19  1/2 20  3/4 2070 99 2285 138 2481 180 16
20 20.00 38.75 7.00 23.00 30.75 33.00 36.00 16 3.12 32.75 28.12 25.25 3.25  3 21 1/4 22  1/4 2417 121 2558 153 2727 200 16
24 24.00 46.00 8.00 27.25 36.00 37.50 40.50 16 3.62 30.00 33.62 30.00 3.75 3 1/2 24  1/4 25  1/2 3470 160 3545 185 3675 237 16