Seal Type 81

Metal Bellow Seal (O-Ring Type)


Type 81 - O' ring type mechanical seals are destined for petrochemical, chemical, pharmaceutical and food processing industry, for process pumps and other equipment with rotating shaft. Rotating bellows design acts to clear convolutions and prevent accumulation of debris. These bellow seals are constructed by welding a series of diaphragms together at the edges to form a bellows unit. Recommended for high temperature mediums e.g. hot oils, pitch, tar and other hydrocarbons, fuels, liquid gases and other mediums with low content of abrasives.



Agitator / Reactor Seal
PUMP SEAL
Seal Support System

Thermosyphon System

Bearing Isolator

Bearing Isolator

Metal Bellow Seal (O-Ring Type)
•   Single Acting.
•   Dual directional.
•   Inside mounted.
•   Inherently Balanced Mechanical Seal.
•   Independent of direction of rotation.


Features
Seal Ring Faces : Carbon, SiC and TC
Seat Faces : TC and SiC
Elastomer : Viton, PTFE, FEP, EPDM and FFKM
End fitting MOC : SS 316, Hast - C and Carpenter 42
Bellow MOC : HAST - C, AM350 and Inconel  
Materials
Shaft Dia. : 25mm to 100mm
Pressure : Up to 25 bar
Temperature : -30oC to 260oC (Depending upon Elastomer)
Speed                 : 3000 r.p.m.
Operating Capabilities

SEAL SIZE

D1

D3

D6

D7

D9

L3

L6

L7

L9

inch

mm

1.000

25.40

39.70

35.20

41.28

31.50

31.75

4.50

5.50

6.80

1.125

28.58

42.85

38.30

44.45

34.50

31.75

4.50

5.50

6.80

1.250

31.75

46.00

41.60

47.62

37.90

33.30

4.50

5.50

6.80

1.375

34.92

49.20

44.70

50.80

41.10

36.50

4.50

5.50

6.80

1.500

38.10

52.40

47.90

53.98

44.30

36.50

4.50

5.50

6.80

1.625

41.28

55.50

54.30

60.30

50.50

36.50

5.00

5.50

8.15

1.750

44.45

58.70

57.50

63.50

57.00

36.50

5.00

5.50

8.15

1.875

47.62

62.00

60.60

66.68

61.00

38.10

5.00

5.50

8.15

2.000

50.80

65.00

63.80

69.85

61.00

38.10

5.00

5.50

8.10

2.125

53.98

68.20

70.10

76.20

66.40

38.10

5.50

6.50

9.00

2.250

57.15

71.40

73.30

79.38

69.30

39.70

5.50

6.50

9.00

2.375

60.32

74.60

76.50

82.55

72.50

39.70

5.50

6.50

9.00

2.500

63.50

81.00

79.65

85.72

76.00

39.70

5.50

6.50

9.00

2.625

66.68

84.10

79.65

85.72

76.00

41.30

6.00

7.50

9.80

2.750

69.85

87.30

82.80

88.90

79.00

41.30

6.00

7.50

9.80

2.875

73.02

92.10

85.70

95.25

81.40

42.85

7.50

5.50

11.90

3.000

76.20

95.20

88.90

98.42

85.30

42.85

7.50

5.50

11.90

3.125

79.38

98.40

92.10

101.60

88.40

44.45

7.50

5.50

11.90

3.250

82.55

101.60

95.30

104.78

91.50

44.45

7.50

5.50

11.90

3.375

85.72

104.80

98.40

107.95

94.00

44.45

7.50

5.50

11.90

3.500

88.90

108.00

101.60

111.12

97.50

47.62

7.50

5.50

11.90

3.625

92.08

111.10

104.75

114.30

100.50

47.62

8.50

5.80

13.00

3.750

95.25

114.30

108.00

117.48

104.00

47.62

8.50

5.80

13.00

3.875

98.42

117.50

111.10

120.65

107.00

47.62

8.50

5.80

13.00

4.000

101.60

120.60

114.30

123.82

110.00

47.62

8.50

5.80

13.00

 

 

 

 

 

 

 

 

 

 

 

Metal Bellow Seal (O-Ring Type)
Due to continuous improvement specifications and dimensions may change without prior notice.

PUMP SEAL  >>  Pusher Seal | Non-Pusher Seal | Cartridge Seal

Metal Bellow Seal (O-Ring Type) are been carefully designed and manufactured with great precision and care. Please Visit us to see our full range of Metal Bellow Seal (O-Ring Type) to meet all your requirements. Superproof Seals Engineering are the manufacturer of Metal Bellow Seal (O-Ring Type) in Mumbai INDIA.

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+91-22-2676 4504
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