SPIRAL WOUND GASKET

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

 

SPIRAL WOUND GASKET

 

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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