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Mechanical seal R-109/R-8U

Mechanical seal R-109/8U

Mechanical seal R-109/8U - unbalanced, multi-spring, does not depend on the direction of rotation of the shaft. Mechanical seals of this series have a compact structure and high resistance to aggressive environments. Thanks to the use of PTFE-based sealing wedges, the R-109 type is used in particularly difficult working conditions. Complies with API610 standards.

Application: Grundfos TP, Afton, KSB, XM, etc.

Type: John Crane 109, 9, 909/8-1, Sterling 290S, Aesseal M01/M01U/M01S/M01SU, Roten 90, Sealol T, Vulcan 1609/1609S.

Temperature: -40°~200°

Pressure: ≤2.4 MPa

Speed: ≤25 m/sec

Materials:

  • Rotary ring: Carbon/SIC;
  • Stationary ring: SIC/TC;
  • Bellows: EPDM/VITON/PTFE;
  • Spring: SS304/SS316;
  • Metal parts: SS304/SS316.
  d1 (H6) d3 (Max) d7 (h8) L3 (±0.5) L4 D10 (h8) L20
0.750 19.05 34.0 34.93 22.2 10.3 48.0 17.6
0.875 22.23 37.2 38.10 23.8 10.3 51.0 17.6
1.000 25.40 40.3 41.28 25.4 11.1 54.0 17.6
1.125 28.58 43.5 44.45 27.0 11.1 62.0 27.0
1.250 31.75 48.3 47.63 27.0 11.1 68.0 27.0
1.375 34.93 51.5 50.80 28.6 11.1 71.0 27.0
1.500 38.10 54.6 53.98 28.6 11.1 78.0 27.0
1.625 41.28 61.0 60.33 35.0 12.7 81.0 27.0
1.750 44.45 64.2 63.50 35.0 12.7 84.0 27.0
1.875 47.63 67.3 66.68 35.0 12.7 87.0 27.0
2.000 50.80 70.5 69.85 35.0 12.7 97.0 33.3
2.125 53.98 76.9 76.20 43.0 14.3 100.0 33.3
2.250 57.15 80.0 79.38 43.0 14.3 103.0 33.3
2.375 60.33 83.2 82.55 43.0 14.3 106.0 33.3
2.500 63.50 86.4 85.73 43.0 14.3 110.0 33.3
2.625 66.68 89.6 85.73 43.0 15.9 113.0 33.3
2.750 69.85 92.7 88.90 43.0 15.9 116.0 33.3
2.875 73.03 98.9 95.25 43.0 15.9 117.0 33.3
3.000 76.02 97.5 98.43 43.0 15.9 121.0 33.3
3.125 79.38 100.7 101.60 43.0 19.8 - 33.3
3.250 82.55 105.4 104.78 43.0 19.8 132.0 33.3
3.375 85.73 108.6 107.95 43.0 19.8 - 33.3
3.500 88.90 111.8 111.13 43.0 19.8 138.0 33.3
3.625 92.08 115.0 114.30 43.0 19.8 - 33.3
3.750 95.25 118.1 117.48 43.0 19.8 144.0 33.3
3.875 98.43 121.3 120.65 43.0 19.8 - 33.3
4.000 101.60 124.5 123.83 43.0 19.8 151.0 33.3
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