What are the advantages of using Grooved metallic gaskets over other types of gaskets?
Given below are some of the advantages of using these gaskets:
These grooved metallic gaskets are the only type of gaskets that can be used again after the operation is finished as it all depends on the type of metallic ore used.
The gaskets also have some good sealing properties than other types and they are also used in different levels of seating stress available.
The concentric grooved gaskets can help in reducing the effects of fluctuations in high temperatures and pressures.
These can work very efficiently in narrow flanges.
These are easy to adjust.
How are Stainless steel grooved gaskets installed, and what are some common installation challenges?
Cleaning and examining: Clean the Stainless steel grooved gaskets by removing any unwanted particles or debris, only when it is removed from the flanges completely. After that inspect the gaskets for any dents or scratches.
Align the flanges: Then align the flanges parallelly to create an effective seal.
Lubrication: After the alignment is done, then the other step is to lubricate the load bearings fully.
Installation: When all these steps are completed then start the installation process and also tighten the bolts.
The common installation challenges are:
What are the torque requirements for a Grooved bolted gasket?
If the gasket is put under compression then it will prone to leakages. On the other side, if the Grooved bolted gasket is put over-compression then it will produce high stress on the gasket. We can get the right compression rate by controlling the torque during the installation process.
To calculate the grooved bolted gasket torque requirements, multiply the load on the bolt by the diameter of the gasket and then again multiply it by the bolt factor and after that divide it by 100. You will get your correct torque requirements.
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) |
How does Stainless steel grooved coupling gasket handle fluctuations in temperature and pressure?
How does a Grooved coupler gasket perform in applications involving corrosive or aggressive fluids?
These gaskets can work well in dry and wet conditions so they are attached to the pipes in such conditions. The grooved coupler gasket provides a sort of flexibility for pipe movement.
The gasket:
What are the most important factors to consider when selecting a Loose grooved gasket?
Environmental conditions: These environmental factors play an important role in the selection of a loose-grooved gasket. Some grades cannot withstand harsh environmental conditions, so to choose the right material for the gasket is of the essence.