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Nitrile Rubber O Rings

NBR O ring is designed for static (best choice) or dynamic seals which are used in rectangular grooves. Characteristics Application Suggestion The O-rings can be used as single acting or double acting seals under pressure. When the pressure rises, the...
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Standard Material


Nitrile Buna Rubber NBR

* Other material combinations can be customized

according to working conditions.

image002


Product Introduction

NBR O ring is designed for static (best choice) or dynamic seals which are used in rectangular grooves.


Characteristics


Low cost sealing solution

Symmetrical cross section

Either single or double acting supported

Wide applications,easy to match

Simple & quick installation without auxiliaries

High compatibility, almost compatible with all fluids

image003


Application Suggestion

The O-rings can be used as single acting or double acting seals under pressure. When the pressure rises, the radial sealing force that can ensure good sealing performance also increases. Thanks to its flexibility, it can be quickly installed without any auxiliary tools. O-rings are made of NBR material under normal working conditions. This material is mainly used in hydraulic and pneumatic applications, which increases the resistance to media and special materials.


Operating Condition

Speed

Pressure

Temperature

Media

Supplied Diameter

-

0-20Mpa

-30℃~110℃

Hydraulic oil(mineral oil base)

1mm-670mm


Technical Drawing

image006


Specification List

d1

d2

d1

d2

d1

d2

d1

d2

1.8

1.18

32.5

2.65

97.5

3.55

258

5.3

2

1.18

33.5

2.65

100

3.55

265

5.3

2.24

1.18

34.5

2.65

103

3.55

272

5.3

2.5

1.18

35.5

2.65

106

3.55

280

5.3

2.8

1.18

36.5

2.65

109

3.55

290

5.3

3.15

1.18

37.5

2.65

112

3.55

300

5.3

3.55

1.18

38.5

2.65

115

3.55

307

5.3

3.75

1.18

40

2.65

118

3.55

315

5.3

4

1.18

41.2

2.65

122

3.55

325

5.3

4.5

1.18

42.5

2.65

125

3.55

335

5.3

4.87

1.18

43.7

2.65

128

3.55

345

5.3

5

1.18

45

2.65

132

3.55

355

5.3

5.15

1.18

46.2

2.65

136

3.55

365

5.3

5.3

1.18

47.5

2.65

140

3.55

375

5.3

5.6

1.18

48.7

2.65

145

3.55

387

5.3

6

1.18

50

2.65

150

3.55

400

5.3

6.3

1.18

51.5

2.65

155

3.55



6.7

1.18

53

2.65

160

3.55



6.9

1.18

54.5

2.65

165

3.55



7.1

1.18

56

2.65

170

3.55



7.5

1.18

58

2.65

175

3.55

109

7

8

1.18

60

2.65

180

3.55

112

7

8.5

1.18

61.5

2.65

185

3.55

115

7

8.75

1.18

63

2.65

190

3.55

118

7

9

1.18

65

2.65

195

3.55

122

7

9.5

1.18

67

2.65

200

3.55

125

7

10

1.18

69

2.65



128

7

10.6

1.18

71

2.65



132

7

11.2

1.18

73

2.65



136

7

11.8

1.18

75

2.65



140

7

12.5

1.18

80

2.65

40

5.3

145

7

13.2

1.18

85

2.65

41.2

5.3

150

7

14

1.18

90

2.65

42.5

5.3

155

7

15

1.18

95

2.65

43.7

5.3

160

7

16

1.18

100

2.65

45

5.3

165

7

17

1.18

106

2.65

46.2

5.3

170

7

18

1.18

112

2.65

47.5

5.3

175

7

19

1.18

118

2.65

48.7

5.3

180

7

20

1.18

125

2.65

50

5.3

185

7

21.2

1.18

135

2.65

51.5

5.3

190

7

22.4

1.18

140

2.65

5

5.3

195

7

23.6

1.18

150

2.65

54.5

5.3

200

7

25

1.18

160

2.65

56

5.3

206

7

26.8

1.18

170

2.65

58

5.3

212

7

26.5

1.18

180

2.65

60

5.3

218

7

28

1.18

18

3.55

61.5

5.3

224

7

30

1.18

19

3.55

63

5.3

230

7

31.5

1.18

20

3.55

65

5.3

236

7

32.5

1.18

21.2

3.55

67

5.3

243

7

33.5

1.18

22.4

3.55

69

5.3

250

7

34.5

1.18

23.6

3.55

71

5.3

258

7

35.5

1.18

25

3.55

73

5.3

265

7

36.5

1.18

25.8

3.55

75

5.3

272

7

37.5

1.18

26.5

3.55

77.5

5.3

280

7

38.5

1.18

28

3.55

80

5.3

290

7

40

1.18

30

3.55

82.5

5.3

300

7

41.2

1.18

31.5

3.55

85

5.3

307

7

42.5

1.18

32.5

3.55

87.5

5.3

315

7

43.7

1.18

33.5

3.55

90

5.3

325

7

45

1.18

34.5

3.55

92.5

5.3

335

7

46.2

1.18

35.5

3.55

95

5.3

345

7

47.5

1.18

36.5

3.55

97.5

5.3

355

7

48.7

1.18

37.5

3.55

100

5.3

365

7

50

1.18

38.7

3.55

103

5.3

375

7



40

3.55

106

5.3

387

7

6.9

2.65

41.2

3.55

109

5.3

400

7

*7.1

2.65

42.5

3.55

112

5.3

412

7

*7.5

2.65

43.7

3.55

115

5.3

425

7

*8

2.65

45

3.55

118

5.3

437

7

*8.5

2.65

46.2

3.55

122

5.3

450

7

*8.75

2.65

47.5

3.55

125

5.3

462

7

9

2.65

48.7

3.55

128

5.3

475

7

9.5

2.65

50

3.55

132

5.3

487

7

10

2.65

51.5

3.55

136

5.3

500

7

10.6

2.65

53

3.55

140

5.3

515

7

11.2

2.65

54.5

3.55

145

5.3

530

7

11.8

2.65

56

3.55

150

5.3

545

7

12.5

2.65

58

3.55

155

5.3

560

7

13.2

2.65

60

3.55

160

5.3

580

7

14

2.65

61.5

3.55

165

5.3

600

7

15

2.65

63

3.55

170

5.3

615

7

16

2.65

65

3.55

175

5.3

630

7

17

2.65

67

3.55

180

5.3

650

7

18

2.65

69

3.55

185

5.3

670

7

19

2.65

71

3.55

190

5.3



20

2.65

73

3.55

195

5.3



21.2

2.65

75

3.55

200

5.3



22.4

2.65

77.5

3.55

206

5.3



23.6

2.65

80

3.55

212

5.3



25

2.65

82.5

3.55

218

5.3



25.8

2.65

85

3.55

224

5.3



26.5

2.65

87.5

3.55

230

5.3



28

2.65

90

3.55

236

5.3



30

2.65

92.5

3.55

243

5.3



31.5

2.65

95

3.55

250

5.3



* Further specifications on request,we also supply turning products or semi-finished products.

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