What are the basic components of a Metal jacketed gasket?
What types of materials are commonly used for the metal jacket and filler material in Double metal jacketed gasket?
The metal jacket provides mechanical strength, resilience, and corrosion resistance to the double metal jacketed gasket . Temperature, pressure, and the chemical environment are among the variables that are taken into consideration while choosing the metal jacket material. Commonly used materials are:
The gasket's filler serves as the main sealing component. It aids in adjusting to the flange surfaces' imperfections. In double metal jacketed gaskets, common filler materials include:
How are Corrugated metal double jacketed gaskets tested and certified for use in various applications?
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 |
What are the advantages and disadvantages of using a Garlock metal double jacketed gasket?
The drawbacks of these gaskets are:
What are some common failure modes of Flat metal double jacketed gasket?
The gasket's ability to seal can be adversely affected by any damage to the flange surfaces.
What is the maximum temperature that a Soft iron metal double jacketed gasket can handle?