N.B SIZE D K L A C N H1 H2 H3 H4 T B1 B2 B3 R R1 U O F No.
inches mm Holes
1/2" 15 89 60.3 15.9 21.3 11.1 30 15.9 47.6 15.9 Min 6.4mm 15.9 22.4 Schedule to be supplied by purchaser 23 3 3 9.5 34.9 1.6 4
3/4" 20 98 69.8 15.9 26.7 12.7 38 15.9 52.4 15.9 15.9 27.7 28 3 3 11 42.9 1.6 4
1" 25 108 79.4 15.9 33.4 14.3 49 17.5 55.6 17.5 17.5 34.5 35 3 3 12.5 50.8 1.6 4
1 1/4" 32 117 88.9 15.9 42.2 15.9 59 20.6 57.2 20.6 20.6 43.2 43.5 3 5 14.5 63.5 1.6 4
1 1/2" 40 127 98.4 15.9 48.3 17.5 65 22.2 61.9 22.2 22.2 49.5 50 3 6.5 16 73 1.6 4
2" 50 152 120.6 19 60.3 19 78 25.4 63.5 25.4 25.4 62 52.5 3 8 17.5 92.1 1.6 4
2 1/2" 65 178 139.7 19 73 22.2 90 28.6 69.9 28.6 28.6 74.7 75.5 3 8 19 104.8 1.6 4
3" 80 190 152.4 19 88.9 23.8 108 30.2 69.9 30.2 30.2 90.7 91.5 3 9.5 20.5 127 1.6 4
3 1/2" 88 215.9 177.8 19 101.6 23.8 122 31.8 71.4 31.8 31.8 103.4 104.1 3 9.7 139.7 1.6 8
4" 100 229 190.5 19 114.3 23.8 135 33.3 76.2 33.3 33.3 116.1 117 3 11   157.2 1.6 8
5" 125 254 215.9 22.2 141.3 23.8 164 36.5 88.9 36.5 36.5 143.8 145 6.5 11 185.7 1.6 8
6" 150 279 241.3 22.2 168.3 25.4 192 39.7 88.9 39.7 39.7 170.7 171 6.5 12.5   215.9 1.6 8
8" 200 343 298.4 22.2 219.1 28.6 246 44.5 101.6 44.5 221.5 222 6.5 12.5 269.9 1.6 8
10" 250 406 362 25.4 273 30.2 305 49.2 101.6 49.2   276.4 277 6.5 12.5   323.8 1.6 12
12" 300 483 431.8 25.4 323.9 31.8 365 55.6 114.3 55.6 327.2 328 6.5 12.5 381 1.6 12
14" 350 533 476.2 28.6 355.6 34.9 400 57.2 127 79.4   359.2 360 6.5 12.5   412.7 1.6 12
16" 400 597 539.8 28.6 406.4 36.5 457 63.5 127 87.3 410.5 411 6.5 12.5 469.9 1.6 16
18" 450 635 577.8 31.8 457.2 39.7 505 68.3 139.7 96.8   461.8 462 6.5 12.5   533.4 1.6 16
20" 500 698 635 31.8 508 42.9 559 73 144.5 103.2 513.1 514 6.5 12.5 584.2 1.6 20
24" 600 813 749.3 34.9 609.6 47.6 664 82.6 152.4 111.1   616 616 6.5 12.5   692.1 1.6 20

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