China Leading Mechanical Seals Manufacturer

144.HQH7N/H75/H76/H7F/H75F

Type: Wave/Multi Spring Mechanical Seal
Replacement: Bergmann H7N/H75,AES W07DMB, Vulcan 1678.
Temperature: -20℃ to +180℃
Pressure: ≤2.5Mpa
Speed: ≤15m/s
Material: Q2,B,U2,P,E,V,F,G

Product descripton

HQH7N

H7N-D-1.jpg

HQH75

H75-D-1.jpg

HQH76

H76-D.jpg

d

(mm)

d0

D1

D2

D3

d8

L

L1

L2

L3

L4

14

18

21

25

33

3

42.5

32.5

10.0

6.0

18

16

20

23

27

35

3

42.5

32.5

10.0

6.0

18

18

22

27

33

37

3

45.0

33.5

11.5

7.0

20

20

24

29

35

39

3

45.0

33.5

11.5

5.5

20

22

26

31

37

41

3

45.0

33.5

11.5

8.0

20

24

28

33

39

43

3

47.5

36.0

11.5

5.5

20

25

30

34

40

45

3

47.5

36.0

11.5

5.5

20

28

33

37

43

48

3

50.0

38.5

11.5

8.0

20

30

35

39

45

50

3

50.0

38.5

11.5

8.0

20

32

38

42

48

55

3

50.0

38.5

11.5

8.0

20

33

38

42

48

55

3

50.0

38.5

11.5

8.0

20

35

40

44

50

57

3

50.0

38.5

11.5

8.0

20

38

43

49

56

60

4

52.5

38.5

14.0

8.0

23

40

45

51

58

62

4

52.5

38.5

14.0

8.0

23

43

48

54

61

65

4

52.5

38.5

14.0

8.0

23

45

50

56

63

67

4

52.5

38.5

14.0

8.0

23

48

53

59

66

70

4

52.5

38.5

14.0

8.0

23

50

55

62

70

72

4

57.5

42.5

15.0

8.0

25

53

58

65

73

79

4

57.5

42.5

15.0

9.0

25

55

60

67

75

81

4

57.5

42.5

15.0

9.0

25

58

63

70

78

84

4

62.5

47.5

15.0

9.0

25

60

65

72

80

86

4

62.5

47.5

15.0

9.0

25

63

68

75

83

89

4

62.5

47.5

15.0

9.0

25

65

70

77

85

91

4

62.5

47.5

15.0

9.0

25

70

75

83

92

99

4

70.0

52.0

18.0

10.0

28

75

80

88

97

104

4

70.0

52.0

18.0

10.0

28

80

85

95

105

109

4

70.0

51.8

18.2

10.0

28

85

90

100

110

114

4

75.0

56.8

18.2

10.0

28

90

95

105

115

119

4

75.0

56.8

18.2

10.0

28

95

100

110

120

124

4

75.0

57.8

17.2

10.0

28

100

105

115

125

129

4

75.0

57.8

17.2

10.0

28

105

115

122.2

134.3

148

5

73.0

53.0

20.0

10.0

32

110

120

128.2

140.3

153

5

73.0

53.0

20.0

10.0

32

115

125

136.2

148.3

158

5

73.0

53.0

20.0

10.0

32

120

130

138.2

150.3

163

5

73.0

53.0

20.0

10.0

32

125

135

142.2

154.3

168

5

73.0

53.0

20.0

10.0

32

130

140

146.2

158.3

173

5

73.0

53.0

20.0

10.0

32

135

145

152.2

164.3

178

5

73.0

53.0

20.0

10.0

32

140

150

156.2

168.3

183

5

73.0

53.0

20.0

10.0

32

145

155

161.2

173.3

191

5

83.0

63.0

    20.0

12.0

34

150

160

168.2

180.3

198

5

85.0

63.0

22.0

12.0

36

155

165

173.2

185.3

201

5

87.0

63.0

24.0

12.0

38

160

170

178.2

190.3

206

5

87.0

63.0

24.0

12.0

38

165

175

183.2

195.3

211

5

87.0

63.0

24.0

12.0

38

170

180

188.2

200.3

216

5

87.0

63.0

24.0

12.0

38

175

185

193.2

205.3

221

5

87.0

63.0

24.0

12.0

38

180

190

207.5

219.3

226

5

91.0

63.0

28.0

12.0

42

185

195

212.5

224.3

231

5

91.0

63.0

28.0

12.0

42

190

200

217.5

229.3

236

5

91.0

63.0

28.0

12.0

42

195

205

222.5

234.3

245

5

94.0

66.0

28.0

14.0

43

200

210

227.5

239.3

250

5

94.0

66.0

28.0

14.0

43

HQH75: Shaft diameter: d1 = 28 … 200 mm (1.10" … 7.87")As H7N, but with multiple springs in sleeves ,

                  Axial movement: ±2 … 4 mm, dependent on diameter.

HQH76: Shaft diameter: d1 = 14 … 100 mm (0.55" … 3.94")Dimensions, items and descriptions as for H7N, but with

                   special single spring for compensating large axial movements (±4 mm).

HQH7F: Shaft diameter: d1 = max. 100 mm (3.94")Dimensions, items and descriptions as for H7N, but with single

                   spring and pumping screw. Dependent on direction of rotation.

HQH75F: Shaft diameter: d1 = 28 … 200 mm (1.10" … 7.87")Dimensions, items and descriptions as for H7N, but with

                    multiple springs and pumping screw. Dependent on direction of rotation!

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