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Spiral Wound Gasket Filler - Style No:TSWF

Spiral wound gasket is formed of V-shaped of W-shape stainless steel stripe and soft nonmetallic packing 

or the material of flexible graphite asbestos, nonasbestos, PTFE etc by means of piled. 

It can use inner ring and outer ring as different material such as carbon steel, stainless steel 304, 316, 316L and etc. 

The static sealing element of pipe, valve, pump, thermal exchange, condensing motorcycle, 

auto vent-pipe, tower, plain hole and hole of flange, etc. 

Spiral Wound Gasket R Type

SWG with only filler and winding, suitable for high pressure 

and temperature applications for TG/male/ female flange. 

For example: SS304/FG,316L/FG


Material:

 Filler Material 

 Color

 Asbestos  

 No   Color 

 Non-asbestos  

 Pink

 Flexiable Graphite  

 Grey

 PTFE  

 White

 Ceramic  

 Light  Green

 

Drawing:

Application:

Pic:

Dimensions for Spiral Wound Gaskets according to ASME B16.20 for ASME/ANSI B16.5 flanges

DN

d1

d2

d3

d4

150- 300

400- 600

900

1500

2500

150- 300

400-600

900

1500

2500

150-600

900- 2500

150

300

400

600

900

1500

2500

1/2“

14.2

14.2

14.2

14.2

14.2

19.1

19.1

19.1

19.1

19.1

31.8

31.8

47.8

54.1

54.1

54.1

63.5

63.5

69.9

3/4”

20.6

20.6

20.6

20.6

20.6

25.4

25.4

25.4

25.4

25.4

39.6

39.6

57.2

66.8

66.8

66.8

69.9

69.9

76.2

1“

26.9

26.9

26.9

26.9

26.9

31.8

31.8

31.8

31.8

31.8

47.8

47.8

66.8

73.2

73.2

73.2

79.5

79.5

85.9

1 1/4”

38.1

38.1

38.1

33.3

33.3

47.8

47.8

39.6

39.6

39.6

60.5

60.5

76.2

82.6

82.6

82.6

88.9

88.9

104.9

1 1/2“

44.5

44.5

44.5

41.4

41.4

54.1

54.1

47.8

47.8

47.8

69.9

69.9

85.9

95.3

95.3

95.3

98.6

98.6

117.6

2”

55.6

55.6

55.6

52.3

52.3

69.9

69.9

58.7

58.7

58.7

85.9

85.9

104.9

111.3

111.3

111.3

143

143

146.1

2 1/2“

66.5

66.5

66.5

63.5

63.5

82.6

82.6

69.9

69.9

69.9

98.6

98.6

124

130.3

130.3

130.3

165.1

165.1

168.4

3"

81

81

81

81

81

101.6

101.6

95.3

92.2

92.2

120.7

120.7

136.7

149.4

149.4

149.4

168.4

168.4

196.9

4”

106.4

106.4

106.4

106.4

106.4

127

120.7

120.7

117.6

117.6

149.4

149.4

174.8

181.1

177.8

193.8

206.5

209.6

235

5“

131.8

131.8

131.8

131.8

131.8

155.7

147.6

147.6

143. 0

143. 0

177.8

177.8

196.9

215.9

212.9

241.3

247.7

254

279.4

6”

157.2

157.2

157.2

157.2

157.2

182.6

174.8

174.8

171.5

171.5

209.6

209.6

222.3

251

247.7

266.7

289.1

282.7

317.5

8“

215.9

209.6

209.6

206.2

200.2

233.4

225.6

222.3

215.9

215.9

263.7

257.3

279.4

308.1

304.8

320.8

358.9

352.6

387.4

10”

268.2

260.4

260.4

257.8

247.7

287.3

274.6

276.4

266.7

270

317.5

311.2

339.9

362

358.9

400.1

435.1

435.1

476.3

12“

317.5

317.5

314.5

314.5

292.1

339.9

327.2

323.9

323.9

317.5

374.7

368.3

409.7

422.4

419.1

457.2

498.6

520.7

549.4

14”

349.3

349.3

342.9

339.9

-

371.6

362

356.6

362

-

406.4

400.1

450.9

485.9

482.6

492.3

520.7

577.9

-

16“

400.1

400.1

393.7

387.4

-

422.4

412.8

412.8

406.7

-

463.6

457.2

514.4

539.8

536.7

565.2

574.8

641.4

-

18”

449.3

449.3

444.5

438.2

-

474.7

469.9

463.6

463.6

-

527.1

520.7

549.4

596.9

593.9

612.9

638.3

704.9

-

20“

500.1

500.1

495.3

489

-

525.5

520.7

520.7

514.4

-

577.9

571.5

606.6

654.1

647.7

682.8

698.5

755.7

-

24”

603.3

603.3

603.3

577.9

-

628.7

628.7

628.7

616

-

685.8

679.5

717.6

774.7

768.4

790.7

838.2

901.7

-

Spiral Wound Gasket Tolerances per ASME B16.20 Specifications

1.The winding thickness: ±0.005” (0.13 mm) measured across the metallic portion of the winding not including the filler.
2.The winding outside diameter
2.1 NPS ½ through NPS 8 is ±1/32” (±0.8 mm)
2.2 NPS 10 through NPS 24 is +1/16”, - 1/32” (+1.5 mm, -0.8 mm)


3.The winding inside diameter
3.1 NPS ½ through NPS 8 is ±1/64” (±0.4 mm )
3.2 NPS 10 through NPS 24 is ±1/32” (±0.8 mm)


4.The guide ring outside diameter: ±1/32” (±0.8 mm)
5.The guide ring and inner thickness shall be from 0.117”(2.97 mm) to 0.131” (3.33 mm)
6.The inner ring inside diameter:
6.1 NPS ½ through 3 is ±1/32” (±0.8 mm)
6.2 NPS 4 through 24 is ±1/16” (±1.5 mm)

Dimensions for Spiral Wound Gaskets according to DIN EN 1514-2

DN

d1

d2

d3

d4

P N 10-320

PN 10-320

PN 10-40

PN 64-320

PN 10

PN  16

PN  25

P N 40

P N 64

PN 100

PN  160

PN  250

PN  320

PN 400

10

18

24

36

36

46

46

46

46

56

56

56

67

67

67

15

22

28

40

40

51

51

51

51

61

61

61

72

72

78

20

27

33

47

47

61

61

61

61

72

72

72

77

77

 

25

34

40

54

54

71

71

71

71

82

82

82

83

92

104

32

43

49

65

65

82

82

82

82

90

90

90

100

 

 

40

48

54

70

70

92

92

92

92

103

103

103

109

119

135

50

57

66

84

84

107

107

107

107

113

119

119

124

134

150

65

73

82

102

104

127

127

127

127

137

143

143

153

170

192

80

86

95

115

119

142

142

142

142

148

154

154

170

190

207

100

108

120

140

144

162

162

168

168

174

180

180

202

229

256

125

134

146

168

172

192

192

194

194

210

217

217

242

274

301

150

162

174

196

200

217

217

224

224

247

257

257

284

311

348

175

183

195

221

227

247

247

254

265

277

287

284

316

358

402

200

213

225

251

257

272

272

284

290

309

324

324

358

398

442

250

267

279

307

315

327

328

340

352

364

391

388

442

488

-

300

318

330

358

366

377

383

400

417

424

458

458

538

-

-

350

363

375

405

413

437

443

457

474

486

512

-

-

-

-

400

414

426

458

466

488

495

514

546

543

572

-

-

-

-

450

460

478

526

551

558

567

574

578

534

-

-

-

-

-

500

518

530

566

574

593

617

624

628

657

704

-

-

-

-

600

618

630

666

674

695

734

731

747

764

813

-

-

-

-

700

718

730

770

778

810

804

833

852

879

-

-

-

-

-

800

818

830

874

882

917

911

942

974

988

-

-

-

-

-

900

910

930

974

982

1017

1011

1042

1084

1108

-

-

-

-

-

1000

1010

1030

1078

1086

1124

1128

1154

1194

1220

-

-

-

-

-

1200

1210

1230

1280

1290

1341

1342

1364

1398

1452

-

-

-

-

-

1400

1420

1450

1510

-

1548

1542

1578

1618

-

-

-

-

-

-

1600

1630

1660

1720

-

1772

1764

1798

1830

-

-

-

-

-

-

1800

1830

1860

1920

-

1972

1964

2000

-

-

-

-

-

-

-

2000

2020

2050

2120

-

2182

2168

2230

-

-

-

-

-

-

-

2200

2230

2260

2330

-

2384

2376

-

-

-

-

-

-

-

-

2400

2430

2480

2530

-

2594

-

-

-

-

-

-

-

-

-

2600

2630

2660

2730

-

2794

-

-

-

-

-

-

-

-

-

2800

2830

2860

2930

-

3014

-

-

-

-

-

-

-

-

-

3000

3030

3060

3130

-

3228

-

-

-

-

-

-

-

-

-

 

 

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