Spiral wound gasket for valve
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Spiral wound gasket for valve

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Spiral wound gasket for valve

We have supplied the spiral wound gaskets to our customer since we established. Due to long time experience in this product, our high quality spiral wound gasket for valve have meet with a favourable reception in the world.

Spiral wound gaskets type:
We have four types – Thickness (mm)
1. Basic form 3.2mm, 4.5mm
2. with inner ring 4.5mm
3. with outer ring 4.5mm
4. with inner and outer ring 4.5mm

Structure type:
Filler Hoop Inner ring Outer ring
Asbestos SS 304 Carbon steel Carbon steel
Graphite SS 316 SS 304 SS 304
PTFE SS 316L SS 316 SS 316
SS 316L SS 316L

PN2.0MPa(class150)

PN5.0MPa(class300)

PN11.0MPa(class600)

T

T1

NPS ( inch)

DN

D1

D2

D3

D4

D1

D2

D3

D4

D1

D2

D3

D4

1/2"

15

14.2

19.1

31.8

46.5

14.2

19.1

31.8

52.5

14.2

19.1

31.8

52.5

4.5

3

3/4"

20

20.6

25.4

39.6

56

20.6

25.4

39.6

66.5

20.6

25.4

39.6

66.5

1"

25

26.9

31.8

47.8

65.5

26.9

31.8

47.8

73

26.9

31.8

47.8

73

1-1/4"

32

38.1

47.8

60.5

75

38.1

47.8

60.5

82.5

38.1

47.8

60.5

82.5

1-1/2"

40

44.5

54.1

69.9

84.5

44.5

54.1

69.9

94.5

44.5

54.1

69.9

94.5

2"

50

55.6

69.9

85.9

104.5

55.6

69.9

85.9

111

55.6

69.9

85.9

111

2-1/2"

65

66.5

82.6

98.6

123.5

66.5

82.6

98.6

129

66.5

82.6

98.6

129

3"

80

81

101.6

120.7

136.5

81

101.6

120.7

148.5

81

101.6

120.7

148.5

4"

100

106.4

127

149.4

174.5

106.4

127

149.4

180

106.4

120.7

149.4

192

5"

125

131.8

155.7

177.8

196

131.8

155.7

177.8

215

131.8

147.6

177.8

240

6"

150

157.2

182.6

209.6

221.5

157.2

182.6

209.6

250

157.2

174.8

209.6

265

8"

200

215.9

233.4

263.7

278.5

215.9

233.4

263.7

306

209.6

225.6

263.7

319

10"

250

268.2

287.3

317.5

338

268.2

287.3

317.5

360.5

260.4

274.6

317.5

399

12"

300

317.5

339.9

374.7

408

317.5

339.9

374.7

421

317.5

327.2

374.7

456

14"

350

349.3

371.6

406.4

449

349.3

371.6

406.4

484.5

349.3

362

406.4

491

16"

400

400.1

422.4

463.6

513

400.1

422.4

463.6

538.5

400.1

412.8

463.6

564

18

450

449.3

474.7

527.1

548

449.3

474.7

527.1

595.5

449.3

469.9

527.1

612

20

500

500.1

525.5

577.9

605

500.1

525.5

577.9

653

500.1

520.7

577.9

682

22

550

552.5

577.9

635

659

552.5

577.9

635

704

552.5

577.9

635

733

24

600

603.3

628.7

685.8

716.5

603.3

628.7

685.8

774

603.3

628.7

685.8

790



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