A gasket is a pliable elastomeric material that is fashioned into a ring or sheet shape. Its primary function is to fill the gap between two or more mating surfaces, thereby preventing leakage when two objects are joined under compression. Gaskets and seals are typically constructed from a variety of materials, including rubber, metal, cork, neoprene, carbon fiber, glass, cellulose, silicon, and other fibrous materials. These materials are chosen for their unique properties and ability to withstand varying temperatures and pressures. Non-metallic gaskets are also available, which can reduce distortion while accommodating thermal expansion and contraction.
A gasket is a specialized seal that is fabricated to fit between two or more surfaces, such as two lengths of piping. Its primary function is to prevent leakage while being subjected to varying levels of compression. In industries such as oil rigs and refineries, gaskets are extensively utilized to withstand high compressive loads without allowing the oils and gases carried by the pipes to escape. The importance of gaskets in these industries cannot be overstated, as they play a crucial role in ensuring the safety and efficiency of operations.
We adhere to rigorous quality control protocols and standards to ensure superior surface and dimensional tolerances in the production of Gasket. Our company is a prominent provider of carbon steel, alloy steel, and Gasket solutions worldwide, boasting ASME Quality and ISO 9001:2015 Certifications. In addition to manufacturing top-tier Gasket, we are authorized dealers of ISMT and Jindal for the distribution of carbon steel and alloy steel Gasket.
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Nominal Pipe Size | Gasket I.D. (Inches) |
Gasket O.D. (Inches) |
---|---|---|
1/2 | 27/32 | 1 7/8 |
3/4 | 1 1/16 | 2 1/4 |
1 | 1 5/16 | 2 5/8 |
1 1/4 | 1 21/32 | 3 |
1 1/2 | 1 29/32 | 3 3/8 |
2 | 2 3/8 | 4 1/8 |
2 1/2 | 2 7/8 | 4 7/8 |
3 | 3 1/2 | 5 3/8 |
3 1/2 | 4 | 6 3/8 |
4 | 4 1/2 | 6 7/8 |
4 1/2 | 5 | 7 |
5 | 5 9/16 | 7 3/4 |
6 | 6 5/8 | 8 3/4 |
7 | 7 5/8 | 10 |
8 | 8 5/8 | 11 |
10 | 10 3/4 | 13 3/8 |
12 | 12 3/4 | 16 1/8 |
14 | 14 | 17 3/4 |
15 | 15 | 19 |
16 | 16 | 20 1/4 |
18 | 18 | 21 5/8 |
20 | 20 | 23 7/8 |
22 | 22 | 26 |
24 | 24 | 28 1/4 |
26 | 26 | 30 1/2 |
28 | 28 | 32 3/4 |
30 | 30 | 34 3/4 |
32 | 32 | 37 |
34 | 34 | 39 |
36 | 36 | 41 1/4 |
38 | 38 | 43 5/8 |
40 | 40 | 45 5/8 |
42 | 42 | 48 |
46 | 46 | 52 1/8 |
48 | 48 | 54 1/2 |
50 | 50 | 56 1/2 |
52 | 52 | 58 3/4 |
54 | 54 | 61 |
60 | 60 | 67 1/2 |
66 | 66 | 74 1/4 |
72 | 72 | 80 3/4 |
84 | 84 | 93 1/2 |
96 | 96 | 106 1/4 |
A Flat Ring Gasket is a mechanical seal utilized for sealing purposes across diverse industries. It typically assumes a circular or ring-shaped configuration with a flat profile, in contrast to other gasket types such as spiral wound or serrated gaskets that exhibit more intricate designs. The materials used in the manufacture of flat ring gaskets commonly include rubber, silicone, neoprene, PTFE (Teflon), cork, or various types of metals, contingent on the specific application and the prerequisites for sealing effectiveness and durability.
Nominal Pipe Size | Inside Diameter (mm) |
Outside Diameter (mm) |
||||
---|---|---|---|---|---|---|
DN | INCH | Class 150 | Class 300 | Class 400 | Class 600 | |
650 | 26 | 660 | 775 | 835 | 832 | 867 |
700 | 28 | 711 | 832 | 899 | 892 | 914 |
750 | 30 | 762 | 883 | 953 | 946 | 972 |
800 | 32 | 813 | 940 | 1006 | 1003 | 1022 |
850 | 34 | 864 | 991 | 1057 | 1054 | 1073 |
900 | 36 | 914 | 1048 | 1118 | 1118 | 1130 |
950 | 38 | 965 | 1111 | 1054 | 1073 | 1105 |
1000 | 40 | 1016 | 1162 | 1114 | 1127 | 1156 |
1050 | 42 | 1067 | 1219 | 1165 | 1178 | 1219 |
1100 | 44 | 1118 | 1276 | 1219 | 1232 | 1270 |
1150 | 46 | 1168 | 1327 | 1273 | 1289 | 1327 |
1200 | 48 | 1219 | 1384 | 1324 | 1346 | 1391 |
1250 | 50 | 1270 | 1435 | 1378 | 1403 | 1448 |
1300 | 52 | 1321 | 1492 | 1429 | 1454 | 1499 |
1350 | 54 | 1372 | 1549 | 1492 | 1518 | 1556 |
1400 | 56 | 1422 | 1607 | 1543 | 1568 | 1613 |
1450 | 58 | 1473 | 1664 | 1594 | 1619 | 1664 |
1500 | 60 | 1524 | 1715 | 1645 | 1683 | 1721 |
Nominal Pipe Size | Inside Diameter (mm) | Outside Diameter (mm) | |||||
---|---|---|---|---|---|---|---|
DN | Inch | Class 150 | Class 300 | Class 400 | Class 600 | Class 900 | |
15 | 1/2 | 21 | 48 | 54 | 54 | 54 | 64 |
20 | 3/4 | 27 | 57 | 67 | 67 | 67 | 70 |
25 | 1 | 33 | 67 | 73 | 73 | 73 | 79 |
32 | 1-1/4 | 42 | 76 | 83 | 83 | 83 | 89 |
40 | 1-1/2 | 48 | 86 | 95 | 95 | 95 | 98 |
50 | 2 | 60 | 105 | 111 | 111 | 111 | 143 |
65 | 2-1/2 | 73 | 124 | 130 | 130 | 130 | 165 |
80 | 3 | 89 | 137 | 149 | 149 | 149 | 168 |
90 | 3-1/2 | 102 | 162 | 165 | 162 | 162 | – |
100 | 4 | 114 | 175 | 181 | 178 | 194 | 206 |
125 | 5 | 141 | 197 | 216 | 213 | 241 | 248 |
150 | 6 | 168 | 222 | 251 | 248 | 267 | 289 |
200 | 8 | 219 | 279 | 308 | 305 | 321 | 359 |
250 | 10 | 273 | 340 | 362 | 359 | 400 | 435 |
300 | 12 | 324 | 410 | 422 | 419 | 457 | 498 |
350 | 14 | 356 | 451 | 486 | 483 | 492 | 521 |
400 | 16 | 406 | 514 | 540 | 537 | 565 | 575 |
450 | 18 | 457 | 549 | 597 | 594 | 613 | 638 |
500 | 20 | 508 | 606 | 654 | 648 | 683 | 699 |
600 | 24 | 610 | 718 | 775 | 768 | 791 | 838 |
There are various factors that pose a threat to the functionality of stainless steel ring gaskets. If left unaddressed, rusting and corrosion can lead to significant inconvenience. This is a prevalent issue in seawater applications, where specific stainless steel alloys are utilized. To mitigate the risk of corrosion, it is recommended to opt for an electroplated or PTFE-coated alternative. Although these two methods operate differently, the outcomes are highly advantageous. Furthermore, it is imperative to consider the medium and working environment to ensure the longevity of stainless steel ring joint gaskets. Selecting the appropriate material based on this consideration can prove beneficial in preventing rust.