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Elastomer bellows mechanical seals

NM-1 / NM-12 / NM-13 Elastomer bellows mechanical seals

 

Analog:

AESSEAL B02 / B012 / B013, Burgmann MG1 / MG12 / MG13, Roten L3 / L3K / L3N, Vulcan 19 / 192 / 193, Sterling SMG1 / SMG12 / SMG13, Flowserve 190 / 192 / 193, Hecker HN 410SU / 410KU / 410NU, Latty T700, KSB


This type of mechanical seal has very good secondary seal characteristics.

It is commonly used for pumps at milk plants and breweries.

We recommend that this seal be used in equipment where boiler scale formation is possible.

The other seal elements are nickel chrome steel.


Materials used for sealing faces:

- carbographite

- chromium steel

- nickel chrome steel

- increased rigidity nickel chrome steel

- tungsten carbde

- silicon carbide

- ceramics (Al2 O3)

 

Operating limits:

- СЂ = 12 bar

- t = -20 ... 120В°C

- v = 10 m/s


d1

d2

d3

d4

d5

d7

l1

I2

10

20.5

22

24

17

21

14.5

6.5

12

22.5

24.5

26

19

23

15

6.5

14

26.5

28

30

21

25

17

6.5

16

26.5

28

30

23

27

17

6.5

18

29

32.5

33

27

33

19.5

7.5

20

33

37

38

29

35

21.5

7.5

22

33

37

38

31

37

21.5

7.5

24

38

42.5

44

33

39

22.5

7.5

25

38

42.5

44

34

40

23

7.5

28

44

49

50

37

43

26.5

8.5

30

44

49

50

39

45

26.5

8.5

32

46

53.5

55

42

48

27.5

8.5

33

46

53.5

55

42

48

27.5

8.5

35

50

57

59

44

50

28.5

8.5

38

53

59

61

49

56

30

8.5

40

55

62

64

51

58

30

8.5

43

58

65.5

67

54

61

30

8.5

45

60

68

70

56

63

30

8.5

48

63

70

74

59

66

30.5

8.5

50

65

74

77

62

70

30.5

11

53

70

78

81

65

73

33

11

55

72

81

83

67

75

35

11

58

75

85

88

70

78

37

11

60

79

88

91

72

80

38

11

65

84

93

96

77

85

40

11

68

88

96

100

81

90

40

11

70

90

99

103

83

92

40

11

75

95

107

110

88

97

40

11

80

100

112

116

95

105

40

14

85

107

120

124

100

110

41

14

90

114

128

131

105

115

45

14

95

119

132

136

110

120

46

14

 

+ customized seals as per your drawings and specifications

Description

 

Analog:

AESSEAL B02 / B012 / B013, Burgmann MG1 / MG12 / MG13, Roten L3 / L3K / L3N, Vulcan 19 / 192 / 193, Sterling SMG1 / SMG12 / SMG13, Flowserve 190 / 192 / 193, Hecker HN 410SU / 410KU / 410NU, Latty T700, KSB


This type of mechanical seal has very good secondary seal characteristics.

It is commonly used for pumps at milk plants and breweries.

We recommend that this seal be used in equipment where boiler scale formation is possible.

The other seal elements are nickel chrome steel.


Materials used for sealing faces:

- carbographite

- chromium steel

- nickel chrome steel

- increased rigidity nickel chrome steel

- tungsten carbde

- silicon carbide

- ceramics (Al2 O3)

 

Operating limits:

- СЂ = 12 bar

- t = -20 ... 120В°C

- v = 10 m/s


d1

d2

d3

d4

d5

d7

l1

I2

10

20.5

22

24

17

21

14.5

6.5

12

22.5

24.5

26

19

23

15

6.5

14

26.5

28

30

21

25

17

6.5

16

26.5

28

30

23

27

17

6.5

18

29

32.5

33

27

33

19.5

7.5

20

33

37

38

29

35

21.5

7.5

22

33

37

38

31

37

21.5

7.5

24

38

42.5

44

33

39

22.5

7.5

25

38

42.5

44

34

40

23

7.5

28

44

49

50

37

43

26.5

8.5

30

44

49

50

39

45

26.5

8.5

32

46

53.5

55

42

48

27.5

8.5

33

46

53.5

55

42

48

27.5

8.5

35

50

57

59

44

50

28.5

8.5

38

53

59

61

49

56

30

8.5

40

55

62

64

51

58

30

8.5

43

58

65.5

67

54

61

30

8.5

45

60

68

70

56

63

30

8.5

48

63

70

74

59

66

30.5

8.5

50

65

74

77

62

70

30.5

11

53

70

78

81

65

73

33

11

55

72

81

83

67

75

35

11

58

75

85

88

70

78

37

11

60

79

88

91

72

80

38

11

65

84

93

96

77

85

40

11

68

88

96

100

81

90

40

11

70

90

99

103

83

92

40

11

75

95

107

110

88

97

40

11

80

100

112

116

95

105

40

14

85

107

120

124

100

110

41

14

90

114

128

131

105

115

45

14

95

119

132

136

110

120

46

14

 

+ customized seals as per your drawings and specifications

Name
NM-1 / NM-12 / NM-13 Elastomer bellows mechanical seals