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R-M7N/M74N

Mechanical seal R-M7N/M74N

Single mechanical seal R-M7N / M74N. Used in pumps: Lowara, Ebara (3M), EMU, Flugt, Fristam, GEA Tuchenhagen, Goetze, etc. Analogs: Burgmann M7N, M74, Aesseal W07DM, W07DMB, Vulcan 1677.

Temperature: -20°~200°

Pressure: ≤1.6 MPa

Speed: ≤20 m/sec

Materials

  • Rotary ring: Carbon / SIC / SUS
  • Stationary ring: Carbon / SIC / SUS
  • Bellows: EPDM / VITON
  • Spring: SS304/ SS316
  • Metal parts: SS304/ SS316
d1 (H6) d3 (Max) d7 (h8) L3 (±0.5) L4 L28 d12 (h8) L13 L14
16 27 27 25.0 10.0 6.6 28.0 9.0 7.5
18 33 33 26.0 11.5 7.5 30.0 10.0 8.0
20 35 35 26.0 11.5 7.5 35.0 9.5 7.5
22 37 37 26.0 11.5 7.5 35.0 9.5 7.5
24 39 39 28.5 11.5 7.5 38.0 9.5 7.5
25 40 40 28.5 11.5 7.5 38.0 9.5 7.5
28 43 43 31.0 11.5 7.5 42.0 11.0 9.0
30 45 45 31.0 11.5 7.5 45.0 11.0 10,5
32 47 48 31.0 11.5 7.5 48.0 11.0 10,5
33 48 48 31.0 11.5 7.5 50.0 11.5 10,5
35 50 50 31.0 11.5 9.0 52.0 11.5 11.0
38 55 56 31.0 14.0 9.0 55.0 11.5 10.3
40 57 58 31.0 14.0 9.0 58.0 11.5 10.8
43 60 61 31.0 14.0 9.0 62.0 14.3 12.0
45 62 63 31.0 14.0 9.0 64.0 14.3 11.6
48 65 66 31.0 14.0 9.0 68.4 14.3 11.6
50 67 70 32.5 15.0 9.5 69.3 14.3 11.6
53 70 73 32.5 15.0 11.0 72.3 14.3 12.3
55 72 75 32.5 15.0 11.0 75.4 15.3 13.3
60 81 80 37.5 15.0 11.0 80.4 15.3 13.3
63 84 83 37.5 15.0 11.0 83.4 15.3 13.3
65 86 85 37.5 15.0 11.0 85.4 15.3 13.0
68 89 90 34.5 18.0 11.3 91.5 16.0 13.7
70 91 92 42.0 18.0 11.3 92.0 15.3 13.0
75 99 97 42.0 18.0 11.3 99.0 15.3 14.8
80 104 105 41.8 18.2 12.0 104.0 16.3 14.8
85 109 110 41.8 18.2 14.0 109.0 16.3 14.8
90 114 115 46.8 18.2 14.0 114.0 16.3 14.8
95 119 120 47.8 17.2 14.0 120.3 17.3 15.8
100 124 125 47.8 17.2 14.0 123.3 17.3 15.8
105 138 134.3 47.0 20.0 - - - -
110 143 140.3 47.0 20.0 - - - -
115 148 148.3 47.0 20.0 - - - -
120 153 150.3 47.0 20.0 - - - -
125 158 154.3 47.0 20.0 - - - -
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