DIN Standard Double Cartridge Seals D21 with ANSI Bore Replacing Burgman Cartex DN
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DIN Standard Double Cartridge Seals D21 with ANSI Bore Replacing Burgman Cartex DN

Double Cartridge Seals D21

Replacement for:

BURGMAN CARTEX DN

Features:

DIN standard

ANSI bore

Performance Capabilities of cartex mechanical seal D21

Temperature: -20℃ to 250℃, dependent on the elastomer

Pressure: Up to 25 bar

Speed: Up to 25 m/s

End play/axial float allowance ±1.0mm

Sizes of Double Cartridge Seals D21

25mm to 100mm

1” to 4”

Materials Combination of Double Cartridge Seals D21

Face: Carbon, SiC, TC

Seat: SiC, TC

O-rings: NBR, EPDM, VITON, Aflas, FEP, Kalrez, Chemraz etc.

Spring: SS316, Hastelloy C

Metal parts: SS316

Specification of Double Cartridge Seals D21

Double Cartridge Seals by Size

d

D

D1

L1

L2

L3

C

E

D21-25

25

43

105

53.4

33.1

25.4

62

13.2

D21-28

28

46

105

53.4

33.1

25.4

62

13.2

D21-30

30

48

105

53.4

33.1

25.4

65

13.2

D21-32

32

49.8

108

53.4

33.1

25.4

67

13.2

D21-33

33

49.8

108

53.4

33.1

25.4

67

13.2

D21-35

35

53

113

53.4

33.1

25.4

70

13.2

D21-38

38

56

123

53.4

33.1

25.4

75

14.2

D21-40

40

58

123

53.4

33.1

25.4

75

14.2

D21-42

42

60.5

133

53.4

33.1

25.4

80

14.2

D21-43

43

60.5

133

53.4

33.1

25.4

80

14.2

D21-45

45

62.5

138

53.4

33.1

25.4

81

14.2

D21-48

48

65.6

138

53.4

33.1

25.4

84

14.2

D21-50

50

68

148

53.4

33.1

25.4

87

14.2

D21-53

53

72

148

53.4

33.1

25.4

97

18

D21-55

55

73

148

53.4

33.1

25.4

90

18

D21-60

60

78

157

53.4

33.1

25.4

102

18

D21-65

65

84.8

163

53.4

33.1

25.4

109

18

D21-70

70

93

178

53.4

33.1

25.4

118

18

D21-75

75

100

190

63.9

44.1

28

129

18

D21-80

80

106.4

195

63.9

44.1

28

135

18

D21-85

85

109.5

198

63.9

44.1

28

139

22

D21-90

90

115.9

205

63.9

44.1

28

145

22

D21-95

95

119.1

208

63.9

44.1

28

148

22

D21-100

100

125.4

218

63.9

44.1

28

154

22

Double Cartridge Seals by Size

d

D

D1

L1

L2

L3

C

E

D21-1"

1

1.693

4.134

2.102

1.303

1

2.44

0.52

D21-1.125"

1.125

1.811

4.134

2.102

1.303

1

2.44

0.52

D21-1.25"

1.25

1.96

4.33

2.102

1.303

1

2.64

0.52

D21-1.375"

1.375

2.086

4.449

2.102

1.303

1

2.75

0.52

D21-1.5"

1.5

2.2

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Location : A1-3-603 xixi center, wenyi west road, xihu district, Hangzhou, 310012 Xixi,
Contact : Michael Yu, +86 571 86958675

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DIN Standard Double Cartridge Seals D21 with ANSI Bore Replacing Burgman Cartex DN

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