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R-109B/R-8B

Mechanical seal R-109B/8B

Single mechanical seal R-109B / 8B. Applies to pumps: Lowara, Ebara, Flugt, Fristam, GEA Tuchenhagen, Goetze, etc. Analogs: John Crane type 109B, Vulcan 1609B, jone crane type 8B-1, velcan 1609 BS.

Temperature: -20°~200°

Pressure: ≤5.8 МПа

Speed: ≤25 м/сек

Materials

  • Rotary ring: Carbon/SIC
  • Stationary ring: SIC/TC
  • Bellows: EPDM/VITON/PTFE
  • Spring: SS304 / SS316.
  • Metal parts: SS304 / SS316.
  d1 (H6) d2 (Max) d3 (h8) d7 L3 (±0.5) L65 (h8) L4
1.000 22.2 25.40 40.3 41.28 33 6.4 11.1
1.125 25.4 28.58 43,15 44,45 35 7.9 11.1
1.250 28.6 31.75 48.3 47.63 35 7.9 11.1
1.375 28.6 34.93 51.5 50.80 37 8.7 11.1
1.500 31.8 38.10 54.6 53.98 37 8.7 11.1
1.625 34.9 41.28 61.0 60.33 45 8.7 12.7
1.750 38.1 44.45 64.0 63.50 45 9.5 12.7
1.875 41.3 47.63 67.3 66.68 45 9.5 12.7
2.000 44.5 50.80 70.5 69.85 45 9.5 12.7
2.125 47.6 53.98 76.9 76.20 52 11.1 14.3
2.250 50.8 57.15 80.0 79.38 52 11.1 14.3
2.375 54.0 60.33 83.2 82.55 52 11.1 14.3
2.500 57.2 63.50 86.4 85.73 52 11.1 14.3
2.625 60.3 66.68 89.6 85.73 52 11.1 15.9
2.750 63.5 69.85 92.7 88.90 52 11.1 15.9
2.875 66.7 73.03 95.9 95.25 52 11.1 15.9
3.000 69.9 76,02 97.5 98.43 52 11.1 15.9
3.125 73.0 79.38 100.7 101.60 52 11.1 19.8
3.250 76.2 82.55 105.4 104.78 52 14.3 19.8
3.375 79.4 85.73 108.6 107.95 52 14.3 19.8
3.500 82.6 88.90 111.8 111.13 52 14.3 19.8
3.625 85.7 92.08 115.0 114.30 52 14.3 19.8
3.750 88.9 95.25 118.1 117.48 52 14.3 19.8
3.875 92.1 98.43 121.3 120.65 52 14.3 19.8
4.000 95.3 101.60 124.5 123.83 52 14.3 19.8
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