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Mechanical seal R-M74D

Mechanical seal R-M74D

Double mechanical seal R-M74D it is used in faecal and submersible pumps for sewage, dirty water or mildly aggressive liquids. Analogue of mechanical seals: Burgmann M74D, Anga VD.

Temperature: -20~200 °C

Pressure: ≤1.6 MPa

Speed: ≤20 m/sec

Materials:

  • Rotary ring: Carbon/SIC/TC;
  • Stationary ring: Carbon/SIC/TC;
  • Bellows: EPDM/VITON/NBR;
  • Spring: SS304/SS316;
  • Metal parts: SS304/SS316.
d1 (H6) d3 (Max) d6 d7 (h8) L3 (±0.5) L4
18 33 27 33 38.0 11.5
20 35 29 35 38.0 11.5
22 37 31 37 38.0 11.5
24 39 33 39 38.0 11.5
25 40 34 40 38.0 11.5
28 43 37 43 39.0 11.5
30 45 39 45 39.0 11.5
32 47 42 48 39.0 11.5
33 48 42 48 39.0 11.5
35 50 44 50 39.0 11.5
38 55 49 56 41.0 14.0
40 57 51 58 42.0 14.0
43 60 54 61 42.0 14.0
45 62 56 63 42.0 14.0
48 65 59 66 42.0 14.0
50 67 62 70 43.0 15.0
53 70 65 73 43.0 15.0
55 72 67 75 43.0 15.0
58 79 70 78 56.0 15.0
60 81 72 80 56.0 15.0
63 84 75 83 55.0 15.0
65 86 77 85 55.0 15.0
68 89 81 90 55.0 18.0
70 91 83 92 56.0 18.0
75 99 88 97 56.0 18.0
80 104 95 105 56.0 18.2
85 109 100 110 56.0 18.2
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