Size/Pressure Class:
½” to 24” : 150 to 2500 ASME B16.20
26” to 36” : 300 to 900 ASME B16.47 Series A 1 ½” to 20” : API 6A
Applications: Used for high pressure applications.
Typical Properties:
- High integrity seal at high pressures
- Suitable for flat and round bottom groove flanges. Interchangeable on modern octagonal type grooved flanges.
- Available in Ring numbers R11 to R105
Nominal Pipe Size (DN in mm) and |
Gasket Dimensions | |||||||||||
Pressure Class | Ring | Pitch Diam. | Width | Height | C ,Width of | R1 , Radius in | ||||||
Class | Class | Class | Class | Class | Class | No. | P | A | B,Oval | H,Octagonal | Flat Oct. | Oct. Ring |
150 | 300 | 600 | 900 | 1500 | 2500 | (±0.18) | (±0.20) | (±0.50) | (±0.50) | (±0.20) | (±0.5) | |
15 | 15 | R11 | 34.13 | 6.35 | 11.18 | 9.65 | 4.32 | 1.5 | ||||
15 | 15 | R12 | 39.70 | 7.95 | 14.22 | 12.70 | 5.23 | 1.5 | ||||
20 | 20 | 15 | R13 | 42.87 | 7.95 | 14.22 | 12.70 | 5.23 | 1.5 | |||
20 | 20 | R14 | 44.45 | 7.95 | 14.22 | 12.70 | 5.23 | 1.5 | ||||
25 | R15 | 47.63 | 7.95 | 14.22 | 12.70 | 5.23 | 1.5 | |||||
25 | 25 | 25 | 25 | 20 | R16 | 50.80 | 7.95 | 14.22 | 12.70 | 5.23 | 1.5 | |
32 | R17 | 57.15 | 7.95 | 14.22 | 12.70 | 5.23 | 1.5 | |||||
32 | 32 | 32 | 32 | 25 | R18 | 60.32 | 7.95 | 14.22 | 12.70 | 5.23 | 1.5 | |
40 | R19 | 65.10 | 7.95 | 14.22 | 12.70 | 5.23 | 1.5 | |||||
40 | 40 | 40 | 40 | R20 | 68.28 | 7.95 | 14.22 | 12.70 | 5.23 | 1.5 | ||
32 | R21 | 72.24 | 11.13 | 17.53 | 16.00 | 7.75 | 1.5 | |||||
50 | R22 | 82.55 | 7.95 | 14.22 | 12.70 | 5.23 | 1.5 | |||||
50 | 50 | 40 | R23 | 82.55 | 11.13 | 17.53 | 16.00 | 7.75 | 1.5 | |||
50 | 50 | R24 | 95.25 | 11.13 | 17.53 | 16.00 | 7.75 | 1.5 | ||||
65 | R25 | 101.60 | 7.95 | 14.22 | 12.70 | 5.23 | 1.5 | |||||
65 | 65 | 50 | R26 | 101.60 | 11.13 | 17.53 | 16.00 | 7.75 | 1.5 | |||
65 | 65 | R27 | 107.95 | 11.13 | 17.53 | 16.00 | 7.75 | 1.5 | ||||
65 | R28 | 111.13 | 12.70 | 19.05 | 17.53 | 8.66 | 1.5 | |||||
80 | R29 | 114.30 | 7.95 | 14.22 | 12.70 | 5.23 | 1.5 | |||||
80 | 80 | R30 | 117.48 | 11.13 | 17.53 | 16.00 | 7.75 | 1.5 | ||||
80 | 80 | 80 | R31 | 123.83 | 11.13 | 17.53 | 16.00 | 7.75 | 1.5 | |||
80 | R32 | 127.00 | 12.70 | 19.05 | 17.53 | 8.66 | 1.5 | |||||
90 | R33 | 131.78 | 7.95 | 14.22 | 12.70 | 5.23 | 1.5 | |||||
90 | 90 | R34 | 131.78 | 11.13 | 17.53 | 16.00 | 7.75 | 1.5 | ||||
80 | R35 | 136.53 | 11.13 | 17.53 | 16.00 | 7.75 | 1.5 | |||||
100 | R36 | 149.23 | 7.95 | 14.22 | 12.70 | 5.23 |
1.5 |