300# Flange Body Dimensions
| NPS | O Flange OD | tf Flange Thickness |
|---|---|---|
| 1/2 | 95 | 12.7 |
| 3/4 | 115 | 14.3 |
| 1 | 125 | 15.9 |
| 1-1/4 | 135 | 17.5 |
| 1-1/2 | 155 | 19.1 |
| 2 | 165 | 20.7 |
| 2-1/2 | 190 | 23.9 |
| 3 | 210 | 27 |
| 3-1/2 | 230 | 28.6 |
| 4 | 255 | 30.2 |
| 5 | 280 | 33.4 |
| 6 | 320 | 35 |
| 8 | 380 | 39.7 |
| 10 | 445 | 46.1 |
| 12 | 520 | 49.3 |
| 14 | 585 | 52.4 |
| 16 | 650 | 55.6 |
| 18 | 710 | 58.8 |
| 20 | 775 | 62 |
| 24 | 915 | 68.3 |
300# Bolts Template
| NPS | BCD Bolt Circle Dia. | BHD Bolt Hole Dia | BOLTS Number of Bolts | BD Dia. Of Bolt | SBL RF Stud Bolt Length (RF) | SBL RJ Stud Bolt Length (RJ) | MBL RF Machine Bolt Length (RF) |
|---|---|---|---|---|---|---|---|
| 1/2 | 66.7 | 5/8 | 4 | 1/2 | 65 | 75 | 55 |
| 3/4 | 82.6 | 3/4 | 4 | 5/8 | 75 | 90 | 65 |
| 1 | 88.9 | 3/4 | 4 | 5/8 | 75 | 90 | 65 |
| 1-1/4 | 98.4 | 3/4 | 4 | 5/8 | 85 | 95 | 70 |
| 1-1/2 | 114.3 | 7/8 | 4 | 3/4 | 90 | 100 | 75 |
| 2 | 127 | 3/4 | 8 | 5/8 | 90 | 100 | 75 |
| 2-1/2 | 149.2 | 7/8 | 8 | 3/4 | 100 | 115 | 85 |
| 3 | 168.3 | 7/8 | 8 | 3/4 | 110 | 120 | 90 |
| 3-1/2 | 184.2 | 7/8 | 8 | 3/4 | 110 | 125 | 95 |
| 4 | 200 | 7/8 | 8 | 3/4 | 115 | 125 | 95 |
| 5 | 235 | 7/8 | 8 | 3/4 | 120 | 135 | 110 |
| 6 | 269.9 | 7/8 | 12 | 3/4 | 120 | 140 | 110 |
| 8 | 330.2 | 1 | 12 | 7/8 | 140 | 150 | 120 |
| 10 | 387.4 | 1-1/8 | 16 | 1 | 160 | 170 | 140 |
| 12 | 450.8 | 1-1/4 | 16 | 1-1/8 | 170 | 185 | 145 |
| 14 | 514.4 | 1-1/4 | 20 | 1-1/8 | 180 | 190 | 160 |
| 16 | 571.5 | 1-3/8 | 20 | 1-1/4 | 190 | 205 | 165 |
| 18 | 628.6 | 1-3/8 | 24 | 1-1/4 | 195 | 210 | 170 |
| 20 | 685.8 | 1-3/8 | 24 | 1-1/4 | 205 | 220 | 185 |
| 24 | 812.8 | 1-5/8 | 24 | 1-1/2 | 230 | 255 | 205 |
General Notes
Dimensions are in millimeters, except for diameters of bolts and bolt holes, which are in inch units.
