ASME B16.20 Grooved Gasket specification
| Standard | Thickness of the ring | Sizes |
|---|---|---|
|
3mm to 4mm |
|
| Pressure | Materials | Testing |
| max 160 bar |
|
|
Types of ASME b16.20 grooved gasket manufacturer in India
asme b16.20 grooved gasket
Gruvlok gaskets asme b16.20
ASME b16.20 cam and groove gasket
Tongue and groove flange gasket
ASME b16.20 grooved coupling gasket
ASME b16.20 groove lock gaskets
Grooved metal gasket dimensions

| NPS | d1 | d2 | d3 | ||
| 150 | 300 | 400 | |||
| 1/2 | 23 | 33.3 | 44.4 | 50.8 | 50.8 |
| 3/4 | 28.6 | 39.7 | 53.9 | 63.5 | 63.5 |
| 1 | 36.5 | 47.6 | 63.5 | 69.8 | 69.8 |
| 1.1/4 | 44.4 | 60.3 | 73 | 79.4 | 79.4 |
| 1.1/2 | 52.4 | 69.8 | 82.5 | 92.1 | 92.1 |
| 2 | 69.8 | 88.9 | 101.6 | 108 | 108 |
| 2.1/2 | 82.5 | 101.6 | 120.6 | 127 | 127 |
| 3 | 98.4 | 123.8 | 133.4 | 146.1 | 146.1 |
| 3.1/2 | 111.1 | 136.5 | 158.8 | 161.9 | 158.7 |
| 4 | 123.8 | 154 | 171.5 | 177.8 | 174.6 |
| 5 | 150.8 | 182.6 | 193.7 | 212.7 | 209.5 |
| 6 | 177.8 | 212.7 | 219.1 | 247.7 | 244.5 |
| 8 | 228.6 | 266.7 | 276.2 | 304.8 | 301.6 |
| 10 | 282.6 | 320.7 | 336.5 | 358.8 | 355.6 |
| 12 | 339.7 | 377.8 | 406.4 | 419.1 | 415.9 |
| 14 | 371.5 | 409.6 | 447.7 | 482.6 | 479.4 |
| 16 | 422.3 | 466.7 | 511.2 | 536.6 | 533.4 |
| 18 | 479.4 | 530.2 | 546.1 | 593.7 | 590.5 |
| 20 | 530.2 | 581 | 603.2 | 650.9 | 644.5 |
| 24 | 631.8 | 682.6 | 714.4 | 771.5 | 765.2 |
| NPS | d1 | d2 | d3 | |||
| 600 | 900 | 1500 | 2500 | |||
| 1/2 | 23 | 33.3 | 50.8 | 60.3 | 60.3 | 66.7 |
| 3/4 | 28.6 | 39.7 | 63.5 | 66.7 | 66.7 | 73 |
| 1 | 36.5 | 47.6 | 69.8 | 76.2 | 76.2 | 82.5 |
| 1.1/4 | 44.4 | 60.3 | 79.4 | 85.7 | 85.7 | 101.6 |
| 1.1/2 | 52.4 | 69.8 | 92.1 | 95.2 | 95.2 | 114.3 |
| 2 | 69.8 | 88.9 | 108 | 139.7 | 139.7 | 142.8 |
| 2.1/2 | 82.5 | 101.6 | 127 | 161.9 | 161.9 | 165.1 |
| 3 | 98.4 | 123.8 | 146.1 | 165.1 | 171.5 | 193.7 |
| 3.1/2 | 111.1 | 136.5 | 158.7 | |||
| 4 | 123.8 | 154 | 190.5 | 203.2 | 206.4 | 231.7 |
| 5 | 150.8 | 182.6 | 238.1 | 244.5 | 250.8 | 276.2 |
| 6 | 177.8 | 212.7 | 263.5 | 285.8 | 279.4 | 314.3 |
| 8 | 228.6 | 266.7 | 317.5 | 355.6 | 349.3 | 384.1 |
| 10 | 282.6 | 320.7 | 369.9 | 431.8 | 431.8 | 473 |
| 12 | 339.7 | 377.8 | 454 | 495.3 | 517.5 | 546.1 |
| 14 | 371.5 | 409.6 | 488.9 | 517.5 | 574.7 | |
| 16 | 422.3 | 466.7 | 561.9 | 571.5 | 638.1 | |
| 18 | 479.4 | 530.2 | 609.6 | 635 | 701.7 | |
| 20 | 530.2 | 581 | 679.5 | 695.3 | 752.4 | |
| 24 | 631.8 | 682.6 | 787.4 | 835 | 898.5 | |
Grooved pipe gasket temperature
| Core Material | Max Temperature |
| Stainless Steel | 1000 - 1600°F (535 - 870°C) |
| Carbon Steel | 800°F (425°C) |
| Brass | 500°F (260°C) |
| Copper | 600°F (315°C) |
| Aluminum | 800°F (425°C) |
| Monel | 1500°F (815°C) |
| Nickel | 1400°F (760°C) |
| Inconel | 2000°F (1100°C) |
| Facing Material | Maximum Temperature | Pressure at Room Temperature | |
| Min. Mpa (PSI) | Max. Mpa (PSI) | ||
| Flexible Graphite | 500°C (932°F) | 17 (2500) | 500 (72500) |
| Non-asbestos | 400°C (752°F) | 23 (3300) | 500 (72500) |
| PTFE | 260°C (500°F) | 17 (2500) | 500 (72500) |