300 Lbs. Weld Flanges
300 Lbs. Weld Flanges
• Raised Face Blind Flanges
• Lap Joint Flat Face Flanges
• Slip On Raised Face Flanges
• Socket Weld Raised Face Flanges (Standard / XH)
• Threaded Raised Face Flanges
• Weld Neck Raised Face Flanges (Standard / XH)
• Size 2" - 8"
| Pipe Size | O | C | X | A | Y | Y | Y | T | B1 | B | B2 | r | Q |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Outside Dia. of Flange | Thickness of Flange, Min. | Dia. of Hub | Dia. of Weld neck |
Thd. Slip - On |
Lap- Joint | Weld Neck | Thd. Lgth. Thd. Flange Min. | Slip - On, Min. | Lap - Joint, Min. | Weld neck / Socket Weld | Lap - Joint Flange Radiu s |
Counter - bore Thd. Flange, Min |
|
| 2” | 6.50 | 0.88 | 3.31 | 2.38 | 1.31 | 1.31 | 2.75 | 1.12 | 2.44 | 2.46 | 2.07 | 0.31 | 2.50 |
| 2-1/2” | 7.50 | 1.00 | 3.94 | 2.88 | 1.50 | 1.50 | 3.00 | 1.25 | 2.94 | 2.97 | 2.47 | 0.31 | 3.00 |
| 3” | 8.25 | 1.12 | 4.62 | 3.50 | 1.69 | 1.69 | 3.12 | 1.25 | 3.57 | 3.60 | 3.07 | 0.38 | 3.63 |
| 3-1/2” | 9.00 | 1.19 | 5.25 | 4.00 | 1.75 | 1.75 | 3.19 | 1.44 | 4.07 | 4.10 | 3.55 | 0.38 | 4.13 |
| 4” | 10.00 | 1.25 | 5.75 | 4.50 | 1.88 | 1.88 | 3.38 | 1.44 | 4.57 | 4.60 | 4.03 | 0.44 | 4.63 |
| 5” | 11.00 | 1.38 | 7.00 | 5.56 | 2.00 | 2.00 | 3.88 | 1.69 | 5.66 | 5.69 | 5.05 | 0.44 | 5.69 |
| 6” | 12.50 | 1.44 | 8.12 | 6.63 | 2.06 | 2.06 | 3.88 | 1.81 | 6.72 | 6.75 | 6.07 | 0.50 | 6.75 |
| 8” | 15.00 | 1.62 | 10.25 | 8.63 | 2.44 | 2.44 | 4.38 | 2.00 | 8.72 | 8.75 | 7.98 | 0.50 | 8.75 |
| Pipe Size | BOLTING PATTERN AND BOLTS LENGTHS | |||||
|---|---|---|---|---|---|---|
| Dia. of Bolt Circle | Dia. of Bolt Holes | Number of Bolts | Dia. of Bolts | Machine Bolts | Stud Bolts | |
| 0.006 in Raised Face | 0.006 in Raised Face | |||||
| 2” | 5.00 | 0.75 | 8 | 0.62 | 3.00 | 3.50 |
| 2-1/2” | 5.88 | 0.88 | 8 | 0.62 | 3.50 | 4.00 |
| 3” | 6.62 | 0.88 | 8 | 0.62 | 3.75 | 4.25 |
| 3-1/2” | 7.25 | 0.88 | 8 | 0.62 | 3.75 | 4.50 |
| 4” | 7.88 | 0.88 | 8 | 0.62 | 4.00 | 4.50 |
| 5” | 9.25 | 0.88 | 8 | 0.75 | 4.25 | 4.75 |
| 6” | 10.62 | 0.88 | 12 | 0.75 | 4.25 | 5.00 |
| 8” | 13.00 | 1.00 | 12 | 0.75 | 4.75 | 5.50 |
|
Nominal Pipe Size |
Outside Dia. (In) | Slip - On / Thd. Socket Weld | Weld Neck | Blind | Lap- Joint |
|---|---|---|---|---|---|
| 2” | 6.50 | 7 | 10 | 8 | 7 |
| 2-1/2” | 7.50 | 10 | 13 | 15 | 10 |
| 3” | 8.25 | 13 | 16 | 16 | 13 |
| 3-1/2” | 9.00 | 17 | 19 | 20 | 17 |
| 4” | 10.00 | 22 | 26 | 27 | 22 |
| 5” | 11.00 | 28 | 35 | 41 | 28 |
| 6” | 12.50 | 39 | 45 | 50 | 39 |
| 8” | 15.00 | 58 | 70 | 80 | 58 |
