ASME B16.20 Metal Jacketed Gasket specification
| Standard | Thickness | External diameter |
|---|---|---|
|
2mm to 5mm | up to 4000 mm |
| Pressure | Materials | Temperature resistance |
| max 400 bar |
|
700 С |
Types of ASME b16.20 metal jacketed gasket
stainless steel asme b16.20 metal jacketed gasket
Inconel asme b16.20 double jacketed gasket
Nickel alloy asme b16.20 jacketed gasket
CS asme b16.20 flat metal jacketed gasket
Duplex asme b16.20 double metal jacketed gasket
Super duplex asme b16.20 jacketed gasket
Metal jacketed gasket dimensions
| Normal Pipe Size | d1 | d2 | |||
| 600 | 900 | 1500 | 2500 | ||
| 1/2 | 23.8 | 50.8 | 60.4 | 60.4 | 66.8 |
| 3/4 | 31.8 | 63.5 | 66.7 | 66.7 | 73.1 |
| 1 | 36.5 | 69.9 | 76.2 | 76.2 | 82.5 |
| 1.1/4 | 46 | 79.4 | 85.8 | 85.8 | 101.6 |
| 1.1/2 | 52.4 | 92.1 | 95.3 | 95.3 | 114.3 |
| 2 | 73.2 | 108 | 139.7 | 139.7 | 143 |
| 2.1/2 | 85.9 | 127 | 161.9 | 161.9 | 165.1 |
| 3 | 107.8 | 146.1 | 165.1 | 171.5 | 193.8 |
| 4 | 131.8 | 190.5 | 203.2 | 206.5 | 231.9 |
| 5 | 152.4 | 238.2 | 244.6 | 250.9 | 276.3 |
| 6 | 190.5 | 263.6 | 285.8 | 279.4 | 314.5 |
| 8 | 238.3 | 317.5 | 355.6 | 349.3 | 384.3 |
| 10 | 285.8 | 396.9 | 431.8 | 431.8 | 473.2 |
| 12 | 342.9 | 454.1 | 495.3 | 517.6 | 546.1 |
| 14 | 374.7 | 489 | 517.6 | 574.7 | |
| 16 | 425.5 | 562 | 571.5 | 638.2 | |
| 18 | 489 | 609.6 | 635 | 701.8 | |
| 20 | 533.4 | 679.5 | 695.5 | 752.5 | |
| 24 | 641.4 | 787.4 | 835.1 | 898.6 | |
Flat metal jacketed gasket temperature
| Common Brasses | 500 °F | Silver | 1200 °F |
| Copper | 600 °F | Nickel | 1400 °F |
| Aluminum | 800 °F | SS 430 | 1400 °F |
| SS 304 | 1000 °F | Monel | 1500 °F |
| SS 316 | 1000 °F | Stainless Steel, Type 309 SCb | 1600 °F |
| Soft Iron, Low Carbon Steel | 1000 °F | SS 321 | 1600 °F |
| Titanium | 1000 °F | SS 347 | 1600 °F |
| SS 50 | 1150 °F | Inconel | 2000 °F |
| SS 410 | 1200 °F | Hastelloy | 2000 °F |