SPIRAL WOUND GASKET is made from V-shaped or W-shaped stainless steel strip and non-metallic filler . It can be added inner ring or center ring (outer ring)
SPIRAL WOUND GASKET is made from V-shaped or W-shaped stainless steel strip and non-metallic filler. It can be added inner ring or center ring (outer ring)
| TYPE | CODE |
| With Inner & Outer Ring | LS1 |
| With Outer Ring | LS2 |
| With Inner Ring | LS3 |
| Without Inner & Outer Ring | LS4 |
Application: With widely usage, it is applicable to sealing under heavily alternating temperature or pressure such as the static sealing at flanges of pipeline, valves, pumps, heat exchangers, columns, manhole and hand hole. It has a wide application in petrochemical mechanical, electric power, metallurgical, ship-building, pharmaceutical, nuclear power and aerospace industries
MARKING
WINDING / INNER / OUTER RING MATERIAL
| Material | Code | Minimum (ºF) | Maximum (ºF) | Minimum (ºC) | Maximum (ºC) |
| Carbon Steel | 1 | -40 | 1000 | -40 | 540 |
| 304 | 2 | -320 | 1400 | -195 | 760 |
| 316 | 3 | -150 | 1400 | -100 | 760 |
| 31803 | 4 | -58 | 572 | -50 | 300 |
| 321 | 5 | -320 | 1400 | -195 | 760 |
| Hastelloy C-276 | 6 | -300 | 2000 | -185 | 1090 |
| Monel 400 | 7 | -200 | 1500 | -130 | 820 |
| 347 | 8 | -40 | 1600 | -40 | 870 |
| Alloy 20 | 9 | -20 | 1000 | -29 | 538 |
| N06625 | A | -321 | 1800 | -196 | 980 |
| N08800 | B | -166 | 2012 | -110 | 1100 |
| Inconel 600 | F | -423 | 2000 | -253 | 1093 |
| 410 | D | -20 | 1200 | -29 | 649 |
| Titan Gr.1 | E | -320 | 2000 | -195 | 1090 |
FILLER MATERIAL
| Material | Temperature (°C) |
| Graphite | -212 to +550 |
| PTFE | -240 to +250 |
| Mica | 900 |
| Non-Asbestos | -120 to +450 |
| Ceramic | -212 to +1100 |
| FLANGE SIZE (NPS) | Class 150 | Class 300 | Class 400 | Class 600 | ||||||||||||
| D1 | D2 | D3 | D4 | D1 | D2 | D3 | D4 | D1 | D2 | D3 | D4 | D1 | D2 | D3 | D4 | |
| 1/2″ | 14.2 | 19.1 | 31.8 | 47.8 | – | – | – | – | – | – | – | – | – | – | – | – |
| 3/4″ | 20.6 | 25.4 | 39.6 | 57.2 | – | – | – | – | – | – | – | – | – | – | – | – |
| 1″ | 26.9 | 31.8 | 47.8 | 66.8 | – | – | – | – | – | – | – | – | – | – | – | – |
| 1 1/4″ | 38.1 | 47.8 | 60.5 | 76.2 | – | – | – | – | – | – | – | – | – | – | – | – |
| 1 1/2″ | 44.5 | 54.1 | 69.9 | 85.9 | – | – | – | – | – | – | – | – | – | – | – | – |
| 2″ | 55.6 | 69.9 | 85.9 | 104.9 | – | – | – | – | – | – | – | – | – | – | – | – |
| 2 1/2″ | 66.5 | 82.6 | 98.6 | 124 | – | – | – | – | – | – | – | – | – | – | – | – |
| 3″ | 81 | 101.6 | 120.7 | 136.7 | – | – | – | – | – | – | – | – | – | – | – | – |
| 3 1/2″ | 93.7 | 114.3 | 133.3 | 161.9 | 93.7 | 114.3 | 133.3 | 165.1 | 93.7 | 114.3 | 133.3 | 165.1 | 93.7 | 114.3 | 133.3 | 161.9 |
| 4″ | 106.4 | 127 | 149.4 | 174.8 | 106.4 | 127 | 149.4 | 181.4 | 102.6 | 120.7 | 149.4 | 177.8 | 102.6 | 120.7 | 149.4 | 193.8 |
| 5″ | 131.8 | 155.7 | 177.8 | 196.9 | 131.8 | 155.7 | 177.8 | 215.9 | 128.3 | 147.6 | 177.8 | 212.9 | 128.3 | 147.6 | 177.8 | 241.3 |
| 6″ | 157.2 | 182.6 | 209.6 | 222.3 | 157.2 | 182.6 | 209.6 | 251 | 154.9 | 174.8 | 209.6 | 247.7 | 154.9 | 174.8 | 209.6 | 266.7 |
| 8″ | 215.9 | 233.4 | 263.7 | 279.4 | 215.9 | 233.4 | 263.7 | 308.1 | 205.7 | 225.6 | 263.7 | 304.8 | 205.7 | 225.6 | 263.7 | 320.8 |
| 10″ | 268.2 | 287.3 | 317.5 | 339.9 | 268.2 | 287.3 | 317.5 | 362 | 255.3 | 274.6 | 317.5 | 358.9 | 255.3 | 274.6 | 317.5 | 400.1 |
| 12″ | 317.5 | 339.9 | 374.7 | 409.7 | 317.5 | 339.9 | 374.7 | 422.4 | 307.3 | 327.2 | 374.7 | 419.1 | 307.3 | 327.2 | 374.7 | 457.2 |
| 14″ | 349.3 | 371.6 | 406.4 | 450.9 | 349.3 | 371.6 | 406.4 | 485.9 | 342.9 | 362 | 406.4 | 482.6 | 342.9 | 362 | 406.4 | 492.3 |
| 16″ | 400.1 | 422.4 | 463.6 | 514.4 | 400.1 | 422.4 | 463.6 | 539.8 | 389.9 | 412.8 | 463.6 | 536.7 | 389.9 | 412.8 | 463.6 | 565.2 |
| 18″ | 449.3 | 474.7 | 527.1 | 549.4 | 449.3 | 474.7 | 527.1 | 596.9 | 438.2 | 469.9 | 527.1 | 593.9 | 438.2 | 469.9 | 527.1 | 612.9 |
| 20″ | 500.1 | 525.5 | 577.9 | 606.6 | 500.1 | 525.5 | 577.9 | 654.1 | 489 | 520.7 | 577.9 | 647.7 | 489 | 520.7 | 577.9 | 682.8 |
| 24″ | 603.3 | 628.7 | 685.8 | 717.6 | 603.3 | 628.7 | 685.8 | 774.7 | 590.6 | 628.7 | 685.8 | 768.4 | 590.6 | 628.7 | 685.8 | 790.7 |
| FLANGE SIZE (NPS) | Class 900 | Class 1500 | Class 2500 | Class 300/400/600 | Class 900/1500 | |||||||||||||||
| D1 | D2 | D3 | D4 | D1 | D2 | D3 | D4 | D1 | D2 | D3 | D4 | D1 | D2 | D3 | D4 | D1 | D2 | D3 | D4 | |
| 1/2″ | – | – | – | – | – | – | – | – | 14.2 | 19.1 | 31.8 | 69.9 | 14.2 | 19.1 | 31.8 | 54.1 | 14.2 | 19.1 | 31.8 | 63.5 |
| 3/4″ | – | – | – | – | – | – | – | – | 20.6 | 25.4 | 39.6 | 76.2 | 20.6 | 25.4 | 39.6 | 66.8 | 20.6 | 25.4 | 39.6 | 69.9 |
| 1″ | – | – | – | – | – | – | – | – | 26.9 | 31.8 | 47.8 | 85.9 | 26.9 | 31.8 | 47.8 | 73.2 | 26.9 | 31.8 | 47.8 | 79.5 |
| 1 1/4″ | – | – | – | – | – | – | – | – | 33.3 | 39.6 | 60.5 | 104.9 | 38.1 | 47.8 | 60.5 | 82.6 | 33.3 | 39.6 | 60.5 | 88.9 |
| 1 1/2″ | – | – | – | – | – | – | – | – | 41.4 | 47.8 | 69.9 | 117.6 | 44.5 | 54.1 | 69.9 | 95.3 | 41.4 | 47.8 | 69.9 | 98.6 |
| 2″ | – | – | – | – | – | – | – | – | 52.3 | 58.7 | 85.9 | 146.1 | 55.6 | 69.9 | 85.9 | 111.3 | 52.3 | 58.7 | 85.9 | 143 |
| 2 1/2″ | – | – | – | – | – | – | – | – | 63.5 | 69.9 | 98.6 | 168.4 | 66.5 | 82.6 | 98.6 | 130.3 | 63.5 | 69.9 | 98.6 | 165.1 |
| 3″ | 78.7 | 95.3 | 120.7 | 168.4 | 78.7 | 92.2 | 120.7 | 174.8 | 78.7 | 95.3 | 120.7 | 196.9 | 81 | 101.6 | 120.7 | 149.4 | – | – | – | – |
| 3 1/2″ | – | – | – | – | – | – | – | – | 102.6 | 117.6 | 149.4 | 235 | – | – | – | – | – | – | – | – |
| 4″ | 102.6 | 120.7 | 149.4 | 206.5 | 97.8 | 117.6 | 149.4 | 209.6 | 128.3 | 143 | 177.8 | 279.4 | – | – | – | – | – | – | – | – |
| 5″ | 128.3 | 147.6 | 177.8 | 247.7 | 124.5 | 143 | 177.8 | 254 | 154.9 | 171.5 | 209.6 | 317.5 | – | – | – | – | – | – | – | – |
| 6″ | 154.9 | 174.8 | 209.6 | 289.1 | 147.3 | 171.5 | 209.6 | 282.7 | 196.9 | 215.9 | 257.3 | 387.4 | – | – | – | – | – | – | – | – |
| 8″ | 196.9 | 222.3 | 257.3 | 358.9 | 196.9 | 215.9 | 257.3 | 352.6 | – | – | – | – | – | – | – | – | – | – | – | – |
| 10″ | 246.1 | 276.4 | 311.2 | 435.1 | 246.1 | 266.7 | 311.2 | 435.1 | 246.1 | 270 | 311.2 | 476.3 | – | – | – | – | – | – | – | – |
| 12″ | 292.1 | 323.9 | 368.3 | 498.6 | 292.1 | 323.9 | 368.3 | 520.7 | 292.1 | 317.5 | 368.3 | 549.4 | – | – | – | – | – | – | – | – |
| 14″ | 320.8 | 355.6 | 400.1 | 520.7 | 320.8 | 362 | 400.1 | 577.9 | – | – | – | – | – | – | – | – | – | – | – | – |
| 16″ | 374.7 | 412.8 | 457.2 | 574.8 | 368.3 | 406.4 | 457.2 | 641.4 | – | – | – | – | – | – | – | – | – | – | – | – |
| 18″ | 425.5 | 463.6 | 520.7 | 638.3 | 425.5 | 463.6 | 520.7 | 704.9 | – | – | – | – | – | – | – | – | – | – | – | – |
| FLANGE SIZE (NPS) | Class 150 | Class 300 | Class 400 | |||||||||
| D1 | D2 | D3 | D4 | D1 | D2 | D3 | D4 | D1 | D2 | D3 | D4 | |
| 26″ | 654.1 | 673.1 | 704.9 | 774.7 | 654.1 | 685.8 | 736.6 | 835.2 | 660.4 | 685.8 | 736.6 | 831.9 |
| 28″ | 704.9 | 723.9 | 755.7 | 831.9 | 704.9 | 736.6 | 787.4 | 898.7 | 711.2 | 736.6 | 787.4 | 892.3 |
| 30″ | 755.7 | 774.7 | 806.5 | 882.7 | 755.7 | 793.8 | 844.6 | 952.5 | 755.7 | 793.8 | 844.6 | 946.2 |
| 32″ | 806.5 | 825.5 | 860.6 | 939.8 | 806.5 | 850.9 | 901.7 | 1006.6 | 812.8 | 850.9 | 901.7 | 1003.3 |
| 34″ | 857.3 | 876.3 | 911.4 | 990.6 | 857.3 | 901.7 | 952.2 | 1057.4 | 863.6 | 901.7 | 952.2 | 1054.1 |
| 36″ | 908.1 | 927.1 | 968.5 | 1047.8 | 908.1 | 955.8 | 1006.6 | 1117.6 | 917.7 | 955.8 | 1006.6 | 1117.6 |
| 38″ | 958.9 | 977.9 | 1019.3 | 1111.3 | 952.5 | 977.9 | 1016 | 1054.1 | 952.5 | 971.6 | 1022.4 | 1073.2 |
| 40″ | 1009.7 | 1028.7 | 1070.1 | 1162.1 | 1003.3 | 1022.4 | 1070.1 | 1114.6 | 1000.3 | 1025.7 | 1076.5 | 1127.3 |
| 42″ | 1060.5 | 1079.5 | 1124 | 1219.2 | 1054.1 | 1073.2 | 1120.9 | 1165.4 | 1051.1 | 1076.5 | 1127.3 | 1178.1 |
| 44″ | 1111.3 | 1130.3 | 1178 | 1276.4 | 1104.9 | 1130.3 | 1181.1 | 1219.2 | 1104.9 | 1130.3 | 1181.1 | 1231.9 |
| 46″ | 1162.1 | 1181.1 | 1228.9 | 1327.2 | 1152.7 | 1178.1 | 1228.9 | 1273.3 | 1168.4 | 1193.8 | 1244.6 | 1289.1 |
| 48″ | 1212.9 | 1231.9 | 1279.7 | 1384.3 | 1209.8 | 1235.2 | 1286 | 1324.1 | 1206.5 | 1244.6 | 1295.4 | 1346.2 |
| 50″ | 1263.7 | 1282.7 | 1333.5 | 1435.1 | 1244.6 | 1295.4 | 1346.2 | 1378 | 1257.3 | 1295.4 | 1346.2 | 1403.4 |
| 52″ | 1314.5 | 1333.5 | 1384.3 | 1492.3 | 1320.8 | 1346.2 | 1397 | 1428.8 | 1308.1 | 1346.2 | 1397 | 1454.2 |
| 54″ | 1358.9 | 1384.3 | 1435.1 | 1549.4 | 1352.6 | 1403.4 | 1454.2 | 1492.3 | 1352.6 | 1403.4 | 1454.2 | 1517.7 |
| 56″ | 1409.7 | 1435.1 | 1485.9 | 1606.6 | 1403.4 | 1454.2 | 1505 | 1543.1 | 1403.4 | 1454.2 | 1505 | 1568.5 |
| 58″ | 1460.5 | 1485.9 | 1536.7 | 1663.7 | 1447.8 | 1511.3 | 1562.1 | 1593.9 | 1454.2 | 1505 | 1555.8 | 1619.3 |
| 60″ | 1511.3 | 1536.7 | 1587.5 | 1714.5 | 1524 | 1562.1 | 1612.9 | 1644.7 | 1517.7 | 1568.5 | 1619.3 | 1682.8 |
| FLANGE SIZE (NPS) | Class 600 | Class 900 | ||||||
| D1 | D2 | D3 | D4 | D1 | D2 | D3 | D4 | |
| 26″ | 647.7 | 685.8 | 736.6 | 866.9 | 660.4 | 685.8 | 736.6 | 882.7 |
| 28″ | 698.5 | 736.6 | 787.4 | 914.4 | 711.2 | 736.6 | 787.4 | 946.2 |
| 30″ | 755.7 | 793.8 | 844.6 | 971.6 | 768.4 | 793.8 | 844.6 | 1009.7 |
| 32″ | 812.8 | 850.9 | 901.7 | 1022.4 | 812.8 | 850.9 | 901.7 | 1073.2 |
| 34″ | 863.6 | 901.7 | 952.5 | 1073.2 | 863.6 | 901.7 | 952.5 | 1136.7 |
| 36″ | 917.7 | 955.8 | 1006.6 | 1130.3 | 920.8 | 958.9 | 1009.7 | 1200.2 |
| 38″ | 952.5 | 990.6 | 1041.4 | 1104.9 | 1009.7 | 1035.1 | 1085.9 | 1200.2 |
| 40″ | 1009.7 | 1047.8 | 1098.6 | 1155.7 | 1060.5 | 1098.6 | 1149.4 | 1251 |
| 42″ | 1066.8 | 1104.9 | 1155.7 | 1219.2 | 1111.3 | 1149.4 | 1200.2 | 1301.8 |
| 44″ | 1111.3 | 1162.1 | 1212.9 | 1270 | 1155.7 | 1206.5 | 1257.3 | 1368.6 |
| 46″ | 1162.1 | 1212.9 | 1263.7 | 1327.2 | 1219.2 | 1270 | 1320.8 | 1435.1 |
| 48″ | 1219.2 | 1270 | 1320.8 | 1390.7 | 1270 | 1320.8 | 1371.6 | 1485.9 |
| 50″ | 1270 | 1320.8 | 1371.6 | 1447.8 | – | – | – | – |
| 52″ | 1320.8 | 1371.6 | 1422.4 | 1498.6 | – | – | – | – |
| 54″ | 1378 | 1428.8 | 1479.6 | 1555.8 | – | – | – | – |
| 56″ | 1428.8 | 1479.6 | 1530.4 | 1612.9 | – | – | – | – |
| 58″ | 1473.2 | 1536.7 | 1587.5 | 1663.7 | – | – | – | – |
| 60″ | 1530.4 | 1593.9 | 1644.7 | 1733.6 | – | – | – | – |
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DIE FORMED GRAPHITE RINGS which are produced from only high purity compressed flexible graphite ribbon and are designed to provide a seal between a moving spindle or shaft and the pressurisedhousing which it penetrates
