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Mechanical seal R-58B/59B

Mechanical seal R-58B/59B

The single mechanical seal of the R-59B/R-58B – jest wieloprężne, zrównoważone, niezależne od kierunku obrotu wału. Obciążenia w parach ciernych są równomiernie rozłożone dzięki zestawowi małych sprężyn. Modyfikacja R-59B za pomocą wtórnych uszczelnień klinowych z PTFE pozwala na zastosowanie uszczelnienia w wyjątkowo korozyjnych środowiskach. Często stosowany jako element podwójnego uszczelnienia. Zgodny z normami EN 12756, DIN 24960, ISO 3069 i API 610.

Application: KSB, XM, etc. centrifugal pumps, mixers, agitators of chemical, petrochemical, gas industry.

Type: John Crane 59B/58B, Aesseal M04/M04U/M04S/M04SU, Vulcan 1659B/1659BS, Burgmann BT-C56.KB/BT-C5.KB.

Temperature: -40°~200°

Pressure: ≤2.5 MPa

Speed: ≤25 m/sec

Materials:

  • Rotary ring: Carbon/SIC/TC;
  • Stationary ring: SIC/TC/SUS;
  • Bellows: EPDM/VITON/PTFE;
  • Spring: SS304/SS316;
  • Metal parts: SS304/SS316.
d1 d2 d3 d6 d7 L2 L3 L4
(H6) (Max) (h8) (±0.5)   (h8)    
16 20 34 23 27 18 30.5 12.0
18 22 36 27 33 20 31.5 13.5
20 24 38 29 35 20 31.5 13.5
22 26 40 31 37 20 31.5 13.5
24 28 42 33 39 20 34.2 13.3
25 30 44 34 40 20 34.5 13.0
28 33 47 37 43 20 37.5 12.5
30 35 49 39 45 20 38.0 12.0
32 38 54 42 48 20 38.0 12.0
33 38 54 42 48 20 38.0 12.0
35 40 56 44 50 20 38.0 12.0
38 43 59 49 56 23 39.5 13.0
40 45 61 51 58 23 39.5 13.0
43 48 64 54 61 23 39.5 13.0
45 50 66 55 63 23 39.5 13.0
48 53 69 59 66 23 39.5 13.0
50 55 71 62 70 25 44.0 13.5
53 58 78 65 73 25 44.0 13.5
55 60 80 67 75 25 44.0 13.5
58 63 83 70 78 25 49.0 13.5
60 65 85 72 80 25 49.0 13.5
63 68 88 75 83 25 49.0 13.5
65 70 90 77 85 25 49.0 13.5
70 75 95 83 92 28 55.5 14.5
75 80 104 88 97 28 55.0 14.5
80 85 109 95 105 28 55.0 15.0
85 90 114 100 110 28 60.0 15.0
90 95 119 105 115 28 60.0 15.0
95 100 124 110 120 28 60.0 15.0
100 105 129 115 125 28 60.0 15.0
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