1. Technical drawings of ring joint facings for Class 1500 ASME B16.5 Flanges.
2. Dimensions of ring joint facings for Class 1500 Flange Joints and Groove.
| NPS | Groove Number | P inch mm | E inch mm | F inch mm | R inch mm | K inch mm | S inch mm |
|---|---|---|---|---|---|---|---|
| 1/2" | 12 | 1.562 39.67 | 0.250 6.35 | 0.344 8.74 | 0.03 0.8 | 2.38 60.5 | 0.16 4 |
| 3/4" | 14 | 1.750 44.45 | 0.250 6.35 | 0.344 8.74 | 0.03 0.8 | 2.62 66.5 | 0.16 4 |
| 1" | 16 | 2.000 50.80 | 0.250 6.35 | 0.344 8.74 | 0.03 0.8 | 2.81 71.5 | 0.16 4 |
| 1 1/4" | 18 | 2.375 60.33 | 0.250 6.35 | 0.344 8.74 | 0.03 0.8 | 3.19 81.0 | 0.16 4 |
| 1 1/2" | 20 | 2.688 68.27 | 0.250 6.35 | 0.344 8.74 | 0.03 0.8 | 3.62 92.0 | 0.16 4 |
| 2" | 24 | 3.750 95.25 | 0.312 7.92 | 0.469 11.91 | 0.03 0.8 | 4.88 124 | 0.12 3 |
| 2 1/2" | 27 | 4.250 107.95 | 0.312 7.92 | 0.469 11.91 | 0.03 0.8 | 5.38 137 | 0.12 3 |
| 3" | 35 | 5.375 136.53 | 0.312 7.92 | 0.469 11.91 | 0.03 0.8 | 6.62 168 | 0.12 3 |
| 4" | 39 | 6.375 161.93 | 0.312 7.92 | 0.469 11.91 | 0.03 0.8 | 7.62 194 | 0.12 3 |
| 5" | 44 | 7.625 193.68 | 0.312 7.92 | 0.469 11.91 | 0.03 0.8 | 9.00 229 | 0.12 3 |
| 6" | 46 | 8.312 228.60 | 0.375 9.53 | 0.531 13.49 | 0.06 1.5 | 9.75 248 | 0.12 3 |
| 8" | 50 | 10.625 269.88 | 0.438 11.13 | 0.656 16.66 | 0.06 1.5 | 12.50 318 | 0.16 4 |
| 10" | 54 | 12.750 323.85 | 0.438 11.13 | 0.656 16.66 | 0.06 1.5 | 14.62 371 | 0.16 4 |
| 12" | 58 | 15.000 381.00 | 0.562 14.27 | 0.906 23.01 | 0.06 1.5 | 17.25 438 | 0.19 5 |
| 14" | 63 | 16.500 419.10 | 0.625 15.88 | 1.062 26.97 | 0.09 2.4 | 19.25 489 | 0.22 6 |
| 16" | 67 | 18.500 469.90 | 0.688 17.48 | 1.188 30.18 | 0.09 2.4 | 21.50 546 | 0.31 8 |
| 18" | 71 | 21.000 533.40 | 0.688 17.48 | 1.188 30.18 | 0.09 2.4 | 24.12 613 | 0.31 8 |
| 20" | 75 | 23.000 584.00 | 0.688 17.48 | 1.312 33.32 | 0.09 2.4 | 26.50 673 | 0.38 10 |
| 24" | 79 | 27.250 692.15 | 0.812 20.62 | 1.438 36.53 | 0.09 2.4 | 31.25 794 | 0.44 11 |
1.For denotation of ” NPS, P, E, F, R, K, S “, please refer to ring joint facings for Class 300 ASME B16.5 flanges.
2. All dimensions are provided in mm and inch unit. The depth of the groove, E, shall be furnished with the same dimension as the height of the raised portion. The groove number of ring joint facings for class 1500 shall match the type R ring gaskets manufactured to ASME B16.20.
| Ring Joint Facings for ASME B16.5 Flanges Classified by Classes | ||||||
|---|---|---|---|---|---|---|
| Class 150 | Class 300 | Class 400 | Class 600 | Class 900 | Class 1500 | Class 2500 |
