ASME B16.20 Ring Type Joint Gasket specification
Standard | Types | Surface Finish |
---|---|---|
|
|
1.6μm (63μin.) |
Surface finish | Materials | Temperature resistance |
|
|
1,000°C (1,832°F) |
Types of ASME b16.20 ring type joint gasket
SS ASME b16.20 rtj gasket
CUNI ASME b16.20 rtj ring gasket
Nickel alloy ring joint gasket asme b16.20
Carbon steelasme b16.20 rtj flange gasket
Duplex asme b16.20 ring type joint gasket
Super duplex bx ring gasket asme b16.20
Ring Joint Gaskets dimensions
R 20 | 68.28 | 7.95 | 14.2 | 12.7 | 5.23 | 1.5 | 1.1/2 300 1500 |
R 21 | 72.24 | 11.13 | 17.5 | 16 | 7.75 | 1.5 | 1.1/4 2500 |
R 22 | 82.55 | 7.95 | 14.2 | 12.7 | 5.23 | 1.5 | 2 150 |
R 23 | 82.55 | 11.13 | 17.5 | 16 | 7.75 | 1.5 | 2 300 600 1.1/2 2500 |
R 24 | 95.25 | 11.13 | 17.5 | 16 | 7.75 | 1.5 | 2 900 1500 |
R 25 | 101.6 | 7.95 | 14.2 | 12.7 | 5.23 | 1.5 | 2.1/2 150 |
R 26 | 101.6 | 11.13 | 17.5 | 16 | 7.75 | 1.5 | 2.1/2 300 600 2 2500 |
R 27 | 107.95 | 11.13 | 17.5 | 16 | 7.75 | 1.5 | 2.1/2 900 1500 |
R 28 | 111.13 | 12.7 | 19.1 | 17.5 | 8.66 | 1.5 | 2.1/2 2500 |
R 29 | 114.3 | 7.95 | 14.2 | 12.7 | 5.23 | 1.5 | 3 150 |
R 30 * |
117.48 | 11.13 | 17.5 | 16 | 7.75 | 1.5 | 3 300 600 |
RTJ gasket weight
ASME B16.5 FLANGES / ASME B16.20 | API 6B FLANGES / API 6A (psi) | PCD | WIDTH | RING HEIGHT | WEIGHT | |||||||||
RING NO | 150 | 300-600 | 900 | 1500 | 2500 | 2000 | 3000 | 5000 | 10000 | (mm) | (mm) | OVAL (mm) | OCT (mm) | (kg) |
R11 | - | 1/2" | - | - | - | - | - | - | - | 34.14 | 6.35 | 11.2 | 9.7 | 0.05 |
R12 | - | - | 1/2" | 1/2" | - | - | - | - | - | 39.7 | 7.95 | 14.2 | 12.7 | 0.1 |
R13 | - | 3/4" | - | - | 1/2" | - | - | - | - | 42.88 | 7.95 | 14.2 | 12.7 | 0.1 |
R14 | - | - | 3/4" | 3/4" | - | - | - | - | - | 44.45 | 7.95 | 14.2 | 12.7 | 0.11 |
R15 | 1" | - | - | - | - | - | - | - | - | 47.63 | 7.95 | 14.2 | 12.7 | 0.12 |
R16 | - | 1" | 1" | 1" | 3/4" | 1" | 1" | 1" | - | 50.8 | 7.95 | 14.2 | 12.7 | 0.12 |
R17 | 1.1/4" | - | - | - | - | - | - | - | - | 57.15 | 7.95 | 14.2 | 12.7 | 0.14 |
R18 | - | 1.1/4" | 1.1/4" | 1.1/4" | 1" | 1.1/4" | 1.1/4" | 1.1/4" | - | 60.33 | 7.95 | 14.2 | 12.7 | 0.15 |
R19 | 1.1/2" | - | - | - | - | - | - | - | - | 65.1 | 7.95 | 14.2 | 12.7 | 0.16 |
R20* | - | 1.1/2" | 1.1/2" | - | 1.1/2" | 1.1/2" | 1.1/2" | 1.1/2" | - | 68.28 | 7.95 | 14.2 | 12.7 | 0.17 |
R21 | - | - | - | - | 1.1/4" | - | - | - | - | 72.24 | 11.13 | 17.5 | 16 | 0.3 |
R22 | 2" | - | - | - | - | - | - | - | - | 82.55 | 7.95 | 14.2 | 12.7 | 0.2 |
R23* | - | 2" | - | - | 1.1/2" | 2.1/16" | - | - | - | 82.55 | 11.13 | 17.5 | 16 | 0.34 |
R24* | - | - | 2" | 2" | - | - | 2.1/16" | 2.1/16" | - | 95.25 | 11.13 | 17.5 | 16 | 0.39 |
R25 | 2.1/2" | - | - | - | - | - | - | - | - | 101.6 | 7.95 | 14.2 | 12.7 | 0.25 |
R26* | - | 2.1/2" | - | - | 2" | 2.9/16" | - | - | - | 101.6 | 11.13 | 17.5 | 16 | 0.42 |
R27 | - | - | 2.1/2" | 2.1/2" | - | - | 2.9/16" | 2.9/19" | - | 107.95 | 11.13 | 17.5 | 16 | 0.45 |