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IMG_0705

Basic Info
• Material: Graphite
• Shape (For Gasket): Ring Gasket
• Application: Flange Seal
• Specification: Standard, ASME B 16.2 /ISO9001/ API 6A
• Style: Mechanical Seal
• Function: Fixed Sealing
• Trademark: YIYU
• Origin: Wenzhou, China
Product Description
Spiral wound gasket(seal gasket, o-ring)
1. Basic form 3.2mm, 4.5mm
2. With inner ring 4.5mm
3. With outer ring 4.5mm

Spiral wound gasket(seal gasket, o-ring)

We have produced the spiral wound gaskets with more than 20 years.
Due to rich experience in this line, our high quality spiral wound gasket have meet with a favourable reception all over the world.

Welcome new customers to send inquiry.

Spiral wound gaskets type:

Type Thickness(mm)
Basic form 3.2mm, 4.5mm
With inner ring 4.5mm
With outer ring 4.5mm
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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