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High-Performance Aramid Flat Seals

Application area Very well suited for use in: Non-critical liquid and gaseous media, at... more

Application area

Very well suited for use in:

Non-critical liquid and gaseous media, at higher temperatures and compressive loading.

Should not be used in:

Concentrated acids and concentrated alkalis.

Product specification

Raw material combination of high-quality aramid fibres, functional fillers and NBR

Good tensile strength

High pressure resistance

Very low gas leakage

Very good resistance to oil

Very low setting behavior

Technical specification

Color: light green on both sides

Binding material: NBR

Nonstick coating: PTFE on both sides

Density: 1.80 g/cm3 (DIN 28 090-2)

Tensile strength: 27 N/mm2 (MD); 10 N/mm2 (CD) (DIN 52910)

Pressure resistance: 39 N/mm2 (+175 °C); 25 N/mm2 (+300 °C) (DIN 52913)

Compressibility: 7 % (ASTM F 36 J)

Recovery: 65 % (ASTM F 36 J)

Cold compressibility KSW: 6.0 % (DIN 28090-2)

Cold recovery KRW: 3.0 % (DIN 28090-2)

Hot creep WSW/200: 5.5 % (DIN 28090-2)

Hot recovery WRW/200: 2.0 % (DIN 28090-2)

Recovery R: 0.040 mm (DIN 28090-2)

Specific leakage rate: 0.100 mg/m*s (DIN 3535-6)

Specific leakage rate 2.0: 0.100 mg/m*s (DIN 28090-2)

Chlorine content: 300 ppm (Siemens AV 9-014)

Max. temperature: +200 °C (depending on pressure)

Max. operating pressure: 100 bar (depending on temperature)

Regulations: DVGW, HTB, KTW, WRC, BAM (max. +60 °C / 130 bar)

General Information Flat seals are usually stamped as rings. For more complicated geometries,... more

General Information

Flat seals are usually stamped as rings. For more complicated geometries, the rings are frequently cut by means of plotter or water jet. Rings are defined by the dimensions of the internal and external diameter as well as by the total thickness of the ring but often also by nominal diameter and pressure stage according to DIN 2690, 2691 (or 2692). For the purpose of harmonizing standards, these former flat seal standards are summarized in the EU standard DIN.

EN 1514-1. Still, the following sub-descriptions serve the purpose of illustrating the individual shapes: former DIN 2690: now EN 1514-1 Form IBC for smooth flanges; former DIN 2691: now EN 1514-1 Form TG for flanges with groove and tongue.

Advantages compared with other sealing elements:

symmetrical cross section, simple compact design, easy installation, wide selection of materials, grooving not required

Most common application: Flange sealing against liquid or gaseous media; static or quasistatic applications only.

Further applications: Housing and cover sealings.

Method of operation: The flat seal is axially pressed when mounting. The axial press force has to be greater than the sum of all radially acting forces to eliminate the risk of leakage. Cross-sectional leakage (the leakage diffused through the sealing material) is minimized by the selection of the right material. An optimal grouting of the flat seal prevents surface leakage, i.e. leakage occurring between flange and seal.

Materials for special requirements:

These flat seals are especially suited for use in processes that must comply with TA-Luft requirements.

Form IBC for smooth flanges: NW 10 to 200, PN 2.5 to 63

Form TG for flanges with groove and tongue: NW 10 to 200, PN 10 to 160

Manufacturing: according to the latest standards, with an optimal tool park, for quick and flexible handling, the traceability of materials is guaranteed, all parts go through a quality check before packaging.

Item Image Design1 Inside Ø
mm
Outside Ø
mm
Height
mm
NW
mm
PN
bar
Unit
piece
Price
Euro*
Buy
409312
IBC 18 39 2 10 6 10 82.00
409313
IBC 18 39 2 10 6 20 139.00
409314
IBC 18 46 2 10 40 10 82.00
409315
IBC 18 46 2 10 40 20 139.00
409316
IBC 18 56 2 10 63 10 82.00
409317
IBC 18 56 2 10 63 20 139.00
409318
IBC 22 44 2 15 6 10 87.00
409319
IBC 22 44 2 15 6 20 147.00
409320
IBC 22 51 2 15 40 10 87.00
409321
IBC 22 51 2 15 40 20 147.00
409322
IBC 21 61 2 15 63 10 87.00
409323
IBC 21 61 2 15 63 20 147.00
409324
IBC 27 54 2 20 6 10 101.00
409325
IBC 27 54 2 20 6 20 172.00
409326
IBC 27 61 2 20 40 10 101.00
409327
IBC 27 61 2 20 40 20 172.00
409328
IBC 25 72 2 20 63 10 101.00
409329
IBC 25 72 2 20 63 20 172.00
409330
IBC 34 64 2 25 6 10 108.00
409331
IBC 34 64 2 25 6 20 180.00
409332
IBC 34 71 2 25 40 10 108.00
409333
IBC 34 71 2 25 40 20 180.00
409334
IBC 30 82 2 25 63 10 108.00
409335
IBC 30 82 2 25 63 20 180.00
409336
IBC 43 76 2 32 6 10 126.00
409337
IBC 43 76 2 32 6 20 210.00
409338
IBC 43 82 2 32 40 10 126.00
409339
IBC 43 82 2 32 40 20 210.00
409340
IBC 41 88 2 32 63 10 126.00
409341
IBC 41 88 2 32 63 20 210.00
409342
IBC 49 86 2 40 6 5 90.00
409343
IBC 49 86 2 40 6 10 156.00
409344
IBC 49 92 2 40 40 5 90.00
409345
IBC 49 92 2 40 40 10 156.00
409346
IBC 47 103 2 40 63 5 90.00
409347
IBC 47 103 2 40 63 10 156.00
409348
IBC 61 96 2 50 6 5 107.00
409349
IBC 61 96 2 50 6 10 186.00
409350
IBC 61 107 2 50 40 5 107.00
409351
IBC 61 107 2 50 40 10 186.00
409352
IBC 59 113 2 50 63 5 107.00
409353
IBC 59 113 2 50 63 10 186.00
409354
IBC 77 116 2 65 6 5 136.00
409355
IBC 77 116 2 65 6 10 235.00
409356
IBC 77 127 2 65 40 5 136.00
409357
IBC 77 127 2 65 40 10 235.00
409358
IBC 73 138 2 65 63 5 136.00
409359
IBC 73 138 2 65 63 10 235.00
409360
IBC 89 132 2 80 6 5 159.00
409361
IBC 89 132 2 80 6 10 276.00
409362
IBC 89 142 2 80 40 5 159.00
409363
IBC 89 142 2 80 40 10 276.00
409364
IBC 86 148 2 80 63 5 159.00
409365
IBC 86 148 2 80 63 10 276.00
409366
IBC 115 152 2 100 6 5 181.00
409367
IBC 115 152 2 100 6 10 315.00
409368
IBC 115 162 2 100 16 5 181.00
409369
IBC 115 162 2 100 16 10 315.00
409370
IBC 115 168 2 100 40 5 193.00
409371
IBC 115 168 2 100 40 10 335.00
409372
IBC 110 174 2 100 63 5 193.00
409373
IBC 110 174 2 100 63 10 335.00
409374
IBC 141 182 2 125 6 5 220.00
409375
IBC 141 182 2 125 6 10 378.00
409376
IBC 141 192 2 125 16 5 220.00
409377
IBC 141 192 2 125 16 10 378.00
409378
IBC 141 194 2 125 40 5 220.00
409379
IBC 141 194 2 125 40 10 378.00
409380
IBC 135 210 2 125 63 5 220.00
409381
IBC 135 210 2 125 63 10 378.00
409382
IBC 169 207 2 150 6 5 129.00
409383
IBC 169 207 2 150 6 10 224.00
409384
IBC 169 218 2 150 16 5 129.00
409385
IBC 169 218 2 150 16 10 224.00
409386
IBC 169 224 2 150 40 5 262.00
409387
IBC 169 224 2 150 40 10 443.00
409388
IBC 163 247 2 150 63 5 262.00
409389
IBC 163 247 2 150 63 10 443.00
409390
IBC 220 262 2 200 6 5 362.00
409391
IBC 220 262 2 200 6 10 613.00
409392
IBC 220 273 2 200 16 5 362.00
409393
IBC 220 273 2 200 16 10 613.00
409394
IBC 220 284 2 200 25 5 392.00
409395
IBC 220 284 2 200 25 10 663.00
409396
IBC 220 290 2 200 40 5 377.00
409397
IBC 220 290 2 200 40 10 628.00
409398
IBC 210 309 2 200 63 5 377.00
409399
IBC 210 309 2 200 63 10 628.00
409400
TG 29 39 2 15 10 87.00
409401
TG 29 39 2 15 20 147.00
409402
TG 36 50 2 20 10 101.00
409403
TG 36 50 2 20 20 172.00
409404
TG 43 57 2 25 10 108.00
409405
TG 43 57 2 25 20 180.00
409406
TG 51 65 2 32 10 126.00
409407
TG 51 65 2 32 20 210.00
409408
TG 61 75 2 40 5 90.00
409409
TG 61 75 2 40 10 156.00
409410
TG 73 87 2 50 5 107.00
409411
TG 73 87 2 50 10 186.00
409412
TG 95 109 2 65 5 136.00
409413
TG 95 109 2 65 10 235.00
409414
TG 106 120 2 80 5 159.00
409415
TG 106 120 2 80 10 276.00
409416
TG 129 149 2 100 5 193.00
409417
TG 129 149 2 100 10 335.00
409418
TG 155 175 2 125 5 220.00
409419
TG 155 175 2 125 10 378.00
409420
TG 183 203 2 150 5 262.00
409421
TG 183 203 2 150 10 443.00
409422
TG 239 259 2 200 5 377.00
409423
TG 239 259 2 200 10 628.00
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