Hecker® AEGIRA®
HN 903

 

Mechanical seal with rubber bellows,unbalanced,
independent

 

Fields of application Design features Application limits
  • Household engineering
  • Low-cost series production mechanical seal
  • unbalanced
  • Spring subjected only axial loading
  • Torque transmission via elastomer bellows and housing
  • independent on direction of rotation
d1 = 10 ... 75 mm
p = 10 bar
T = -20 °C to +200 °C
(dependent on rubber material)
vg = 10 m/s

 

Design



Pos.

Denomination

Materials

1

Cup rubber

FPM (V), EPDM (E), NBR (P)

2

Mating-face

SiC (Q1), Al-oxid (V)

3

Seal face

SiC (Q1), carbon-grafite (B)

4

bellows

FPM (V), EPDM (E), NBR (P)

5

housing

G, F

6

Retainer

G, F

7

Spring

G, F

8

Spring collar

G, F

 

Dimensions HN 903

Shaft-Ø

D

A

B

H

L2

E

010

10

24,60

16,00

22,95

25,00

8,74

012

12

27,79

19,05

23,90

25,00

8,74

013

13

27,79

19,05

23,90

25,00

8,74

014

14

30,95

22,23

26,70

25,00

10,32

015

15

30,95

22,23

26,70

25,00

10,32

016

16

30,95

22,23

26,70

25,00

10,32

018

18

34,15

25,40

31,10

25,00

10,32

019

19

34,15

25,40

31,10

25,00

10,32

020

20

35,70

26,99

33,40

25,00

10,32

022

22

37,30

28,58

33,40

25,00

10,32

024

24

40,50

31,75

39,20

25,00

10,32

025

25

40,50

31,75

39,20

25,00

10,32

028

28

47,63

35,72

46,30

33,00

11,99

030

30

50,80

38,89

49,40

33,00

11,99

032

32

50,80

38,89

49,40

33,00

11,99

033

33

53,98

42,07

52,60

33,00

11,99

034

34

53,98

42,07

52,60

33,00

11,99

035

35

53,98

42,07

52,60

33,00

11,99

038

38

57,15

45,24

55,80

33,00

11,99

040

40

60,35

48,82

62,20

33,00

11,99

042

42

63,50

51,59

66,00

40,00

11,99

043

43

63,50

51,59

66,00

40,00

11,99

044

44

63,50

51,59

66,00

40,00

11,99

045

45

63,50

51,59

66,00

40,00

11,99

048

48

66,70

54,75

66,00

40,00

11,99

050

50

69,85

58,00

71,65

40,00

11,99

053

53

73,05

62,00

73,30

41,00

13,50

055

55

76,20

65,00

78,40

41,00

13,50

058

58

79,40

68,00

82,00

41,00

13,50

060

60

79,40

68,00

82,00

41,00

13,50

063

63

82,55

71,20

84,90

41,00

13,50

065

65

92,10

78,35

88,40

49,00

15,90

070

70

95,52

81,10

92,60

49,00

15,90

073

73

98,45

84,50

94,85

49,00

15,90

075

75

101,65

88,10

101,90

49,00

15,90