China Leading Mechanical Seals Manufacturer

143.HQM7N/M74/M7F/M74F/M7 S2/M74 S2/M78N

Type: Wave/Multi Spring Mechanical Seal ,Suit for Grundfos,Hilge Pumps
Replacement: Bergmann M7N/M74/M74F,Vulcan 1677, Fluiten US3A/UM3A,Flowerve Europac 600,AES W07D
Temperature: -20℃ to +180℃
Pressure: ≤1.2Mpa
Speed: ≤15m/s
Material: Q2,B,U2,P,E,V,F,G

Product descripton

HQM7N

M7N-D-1.jpg

HQM74(Dimensions, items and descriptionsas for M7N, but with multiple springs, Preferably for d1 > 100 mm)

M74-D-1.jpg

d

(mm)

D1

D2

D3

d8

L

L1

L2

L3

L4

14

21.0

25.0

25

3

35.0

25.0

17.5

4

10.0

16

23.0

27.0

27

3

35.0

25.0

17.5

4

10.0

18

27.0

33.0

33

3

37.5

26.0

19.5

5

11.5

20

29.0

35.0

35

3

37.5

26.0

19.5

5

11.5

22

31.0

37.0

37

3

37.5

26.0

19.5

6

11.5

24

33.0

39.0

39

3

40.0

28.5

19.5

6

11.5

25

34.0

40.0

40

3

40.0

28.5

19.5

6

11.5

28

37.0

43.0

43

3

42.5

31.0

19.5

6

11.5

30

39.0

45.0

45

3

42.5

31.0

19.5

6

11.5

32

42.0

48.0

47

3

42.5

31.0

19.5

6

11.5

33

42.0

48.0

48

3

42.5

31.0

19.5

6

11.5

35

44.0

50.0

50

3

42.5

31.0

19.5

6

11.5

38

49.0

56.0

55

4

45.0

31.0

22.0

6

14.0

40

51.0

58.0

57

4

45.0

31.0

22.0

6

14.0

43

54.0

61.0

60

4

45.0

31.0

22.0

6

14.0

45

56.0

63.0

62

4

45.0

31.0

22.0

6

14.0

48

59.0

66.0

65

4

45.0

31.0

22.0

6

14.0

50

62.0

70.0

67

4

47.5

32.5

23.0

6

15.0

53

65.0

73.0

70

4

47.5

32.5

23.0

6

15.0

55

67.0

75.0

72

4

47.5

32.5

23.0

6

15.0

58

70.0

78.0

79

4

52.5

37.5

23.0

8

15.0

60

72.0

80.0

81

4

52.5

37.5

23.0

8

15.0

63

75.0

83.0

84

4

52.5

37.5

23.0

8

15.0

65

77.0

85.0

86

4

52.5

37.5

23.0

8

15.0

68

81.0

90.0

89

4

52.5

34.5

26.0

8

18.0

70

83.0

92.0

91

4

60.0

42.0

26.0

8

18.0

75

88.0

97.0

99

4

60.0

42.0

26.0

8

18.0

80

95.0

105.0

104

4

60.0

41.8

26.2

8

18.2

85

100.0

110.0

109

4

60.0

41.8

26.2

8

18.2

90

105.0

115.0

114

4

65.0

46.8

26.2

10

18.2

95

110.0

120.0

119

4

65.0

47.8

25.2

10

17.2

100

115.0

125.0

124

4

65.0

47.8

25.2

10

17.2

105

122.2

134.3

138

5

67.0

47.8

30.0

10

20.0

110

128.2

140.3

143

5

67.0

47.0

30.0

10

20.0

115

136.2

148.3

148

5

67.0

47.0

30.0

10

20.0

120

138.2

150.3

153

5

67.0

47.0

30.0

10

20.0

125

142.2

154.3

158

5

67.0

47.0

30.0

10

20.0

130

146.2

158.3

163

5

67.0

47.0

30.0

10

20.0

135

152.2

164.3

168

5

67.0

47.0

30.0

10

20.0

140

156.2

168.3

173

5

67.0

47.0

30.0

10

20.0

145

161.2

173.3

178

5

67.0

47.0

30.0

10

20.0

150

168.2

180.3

183

5

69.0

47.0

32.0

10

22.0

155

173.2

185.3

191

5

80.0

56.0

34.0

12

24.0

160

178.2

190.3

196

5

80.0

56.0

34.0

12

24.0

165

183.2

195.3

201

5

80.0

56.0

34.0

12

24.0

170

188.2

200.3

206

5

80.0

56.0

34.0

12

24.0

175

193.2

205.3

211

5

80.0

56.0

34.0

12

24.0

180

207.5

219.3

216

5

84.0

56.0

38.0

12

28.0

185

212.5

224.3

221

5

84.0

56.0

38.0

12

28.0

190

217.5

229.3

226

5

84.0

56.0

38.0

12

28.0

195

222.5

234.3

231

5

84.0

56.0

38.0

12

28.0

200

227.5

239.3

235

5

84.0

56.0

38.0

12

28.0

HQM7F: Shaft diameter: d1 = max. 100 mm (3.94")Dimensions, items and descriptionsas for type M7N, but with

                   pumping screw.

HQM74F: Shaft diameter: d1 = 14 … 200 mm (0.55" … 7.87")Dimensions, items and descriptionsas for type M7N,

                   but with multiple springs and pumping screw.

HQM7S2: Shaft diameter: d1 = max. 100 mm (3.94").Dimensions, items and descriptionsas for type M7N, but with

                  drive key.

HQM74S2: Shaft diameter: d1 = 28 … 200 mm (1.10" … 7.87")Dimensions, items and descriptionsas for type M7N,

                  but with multiple springs and drive key.

HQM78N: Shaft diameter: d1 = 18 … 100 mm (0.71" … 3.94")Temperature: t = max. 180 °C (356 °F)Dimensions,

                   items and description as for M7N. Design of the seal face especially for secondary sealing element made

                  of PTFE

REQUEST A QUOTE

To help you with your needs fill out the form below to get a free quote in 24hours.