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Asbestos/Non-Asbestos Gasket - Style No: TFG

The non-metallic flat gaskets are the most typical ones from the family of flat static gaskets They are used in a large number by various industries and in a variety of applications The soft gaskets are made of asbestos, non-asbestos,graphite,PTFE,mica,aramide/graphite and rubber sealing materials Available are standard and nonstandard gasket design Non-standard means gaskets of optional shapes and dimensions according to customer design or sample.

The non-metallic gaskets are produced in several sizes and shapes to meet the most demanding applications Theγ are available in standard and non-standard gasket design Non-standard means gasket of anγ shape and size according to customer design or sample.


Dimensions for Ring Gaskets per ASME B16.21 to Suit ASME B16.5 Flanges

 

Class 150

Class 300

Class 400

Class 600

Class 900

Nominal Pipe Size (NPS)

Inside Diameter (ID)

Outside Diameter (OD)

Inside Diameter (ID)

Outside Diameter (OD)

Inside Diameter (ID)

Outside Diameter (OD)

Inside Diameter (ID)

Outside Diameter (OD)

Inside Diameter (ID)

Outside Diameter (OD)

mm

mm

mm

mm

mm

mm

mm

mm

mm

mm

1/2"

21

48

21

54

21

54

21

54

21

64

3/4"

27

57

27

67

27

67

27

67

27

70

1

33

67

33

73

33

73

33

73

33

79

1 1/4

42

76

42

83

42

83

42

83

42

89

1 1/2

49

86

49

95

49

95

49

95

49

99

2

60

105

60

111

60

111

60

111

60

143

2 1/2

73

124

73

130

73

130

73

130

73

165

3

89

137

89

149

89

149

89

149

89

168

3 1/2

102

162

102

165

102

162

102

162

-

-

4

114

175

114

181

114

178

114

194

114

206

5

141

197

141

216

141

213

141

241

141

248

6

168

222

168

251

168

248

168

267

168

289

8

219

279

219

308

219

305

219

321

219

359

10

273

340

273

362

273

359

273

400

273

435

12

324

410

324

422

324

419

324

457

324

498

14

356

451

356

486

356

483

356

492

356

521

16

406

514

406

540

406

536

406

565

406

575

18

457

549

457

597

457

594

457

613

457

638

20

508

607

508

654

508

648

508

683

508

699

24

610

718

610

775

610

768

610

791

610

838

Dimensions for Full Face Gaskets to Suit ASME B16.5 Flanges

  Class 150 Class 300 Class 400
Nominal Pipe Size (NPS) Inside Diameter (ID) Outside Diameter (OD) # of Bolt Holes Bolt Hole Diameter (Inches) Bolt Circle Diameter (BCD) Inside Diameter (ID) Outside Diameter (OD) # of Bolt Holes Bolt Hole Diameter (Inches) Bolt Circle Diameter (BCD) Inside Diameter (ID) Outside Diameter (OD) # of Bolt Holes Bolt Hole Diameter (Inches) Bolt Circle Diameter (BCD)
mm mm Inches mm mm mm Inches mm mm mm   mm
1/2" 21 89 4 0.62 60.3 21 95 4 0.63 66.8 21 95 4 0.63 66.5
3/4" 27 99 4 0.62 69.9 27 117 4 0.75 82.6 27 117 4 0.75 82.6
1 33 108 4 0.62 79.4 33 124 4 0.75 88.9 33 124 4 0.75 88.9
1 1/4 42 118 4 0.62 88.9 42 133 4 0.75 98.4 42 133 4 0.75 98.4
1 1/2 49 127 4 0.62 98.4 49 155 4 0.88 114.3 49 156 4 0.88 114.3
2 60 152 4 0.75 120.7 60 165 8 0.75 127 60 165 8 0.75 127
2 1/2 73 178 4 0.75 139.7 73 191 8 0.88 149.2 73 191 8 0.88 149.2
3 89 191 4 0.75 152.4 89 210 8 0.88 168.3 89 210 8 0.88 168.3
3 1/2 102 216 8 0.75 177.8 102 229 8 0.88 184.2 102 229 8 1 184.2
4 114 229 8 0.75 190.5 114 254 8 0.88 200 114 254 8 1 200
5 141 254 8 0.88 215.9 141 279 8 0.88 235 141 279 8 1 235
6 168 279 8 0.88 241.3 168 318 12 0.88 269.9 168 318 12 1 269.9
8 219 343 8 0.88 298.5 219 381 12 1 330.2 219 381 12 1.13 330.2
10 273 406 12 1 362 273 445 16 1.13 387.4 273 445 16 1.25 387.4
12 324 483 12 1 431.8 324 521 16 1.25 450.9 324 521 16 1.38 450.9
14 356 533 12 1.12 476.3 356 584 20 1.25 514.4 356 584 20 1.38 514.4
16 406 597 16 1.12 539.8 406 648 20 1.38 571.5 406 648 20 1.5 571.5
18 457 635 16 1.25 577.9 457 711 24 1.38 628.7 457 711 24 1.5 628.7
20 508 699 20 1.25 635 508 775 24 1.38 685.8 508 775 24 1.63 685.8
24 610 813 20 1.38 749.3 610 914 24 1.63 812.8 610 914 24 1.88 812.8

  Class 600 Class 900
Nominal Pipe Size (NPS) Inside Diameter (ID) Outside Diameter (OD) # of Bolt Holes Bolt Hole Diameter (Inches) Bolt Circle Diameter (BCD) Inside Diameter (ID) Outside Diameter (OD) # of Bolt Holes Bolt Hole Diameter (Inches) Bolt Circle Diameter (BCD)
mm mm   mm mm mm Inches mm
1/2" 21 95 4 0.63 66.8 21 121 4 0.88 82.6
3/4" 27 117 4 0.75 82.6 27 130 4 0.88 88.9
1 33 124 4 0.75 88.9 33 149 4 1 101.6
1 1/4 42 133 4 0.75 98.4 42 159 4 1 111.3
1 1/2 49 156 4 0.88 114.3 49 178 4 1.13 124
2 60 165 8 0.75 127 60 216 8 1 165.1
2 1/2 73 191 8 0.88 149.2 73 245 8 1.13 190.5
3 89 210 8 0.88 168.3 89 241 8 1 190.5
3 1/2 102 229 8 1 184.2 102 292     0
4 114 273 8 1 215.9 114 292 8 1.25 235
5 141 330 8 1.13 266.7 141 349 8 1.38 279.4
6 168 356 12 1.13 292.1 168 381 12 1.25 317.5
8 219 419 12 1.25 349.3 219 470 12 1.5 393.7
10 273 508 16 1.38 431.8 273 546 16 1.5 469.9
12 324 559 20 1.38 489 324 610 20 1.5 533.4
14 356 603 20 1.5 527.1 356 641 20 1.63 558.8
16 406 686 20 1.63 603.3 406 705 20 1.75 616
18 457 743 20 1.75 654.1 457 787 20 2 685.8
20 508 813 24 1.75 723.9 508 857 20 2.13 749.3
24 610 940 24 2 838.2 610 1041 20 2.63 901.7

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