0086-13616570630    hq@hqseal.com

Burgmann Replacements

  • 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

       


HQM7N

ABUIABACGAAgx87h9wUo_7Wz_gQwqAU4pAM.jpg

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

ABUIABACGAAgx87h9wUo_7Wz_gQwqAU4pAM.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


Burgmann Replacements

CONTACT US

Ningbo Yinzhou Huaqiu Industry And Trade Co., Ltd.

Phone: 0086-13616570630

Email: hq@hqseal.com

Add: No.45 Lane 578 TianTong Southern Road NingBo City China