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Mechanical seal R-H7N

Mechanical seal R-H7N

Mechanical mechanical seal R-H7N - single, unloaded, does not depend on the direction of rotation of the shaft. As standard with a G9 counter ring. Combinations of a counter-ring with cooling (G115) for use in hot water, with a multi-spring block in a protective sleeve (H 75), with a solid movable ring made of carbon graphite (for use in a volatile carbon environment, H 75 VN), with a cylindrical spring (H76), with an integrated impeller (H7F, H75F, depends from the direction of rotation of the shaft).

Application: Fristam, Lowara, KSB, Wilo, Sterling (SIHI) pumps, etc.

Type: Aesseal W07DMBU/ W07DMBU, Burgmann H7N.

Temperature: -50°~220°

Pressure: ≤2.5 MPa

Speed: ≤20 m/sec

Materials:

  • Rotary ring: SiC/TC/Carbon;
  • Stationary ring: SiC/TC/ Carbon;
  • Bellows: VITON/FEP;
  • Spring: SS304/SS316;
  • Metal parts: SS304/SS316.
  d d0 d1 d6 d7 l2 l2k
R-H7N-25 25 30 45 34 40 36.0 47.5
R-H7N-28 28 33 48 37 43 38.5 50.0
R-H7N-30 30 35 50 39 45 38.5 50.0
R-H7N-33 33 38 55 42 50 38.5 50.0
R-H7N-35 35 40 57 44 50 38.5 50.0
R-H7N-38 38 43 60 49 56 38.5 52.5
R-H7N-40 40 45 62 51 58 38.5 52.5
R-H7N-43 43 48 65 54 61 38.5 52.5
R-H7N-45 45 50 67 56 63 38.5 52.5
R-H7N-48 48 53 70 59 66 38.5 52.5
R-H7N-50 50 55 72 62 70 42.5 57.5
R-H7N-53 53 58 79 65 73 42.5 57.5
R-H7N-55 55 60 81 67 75 42.5 57.5
R-H7N-60 60 65 86 72 80 47.5 62.5
R-H7N-65 65 70 91 77 85 47.5 62.5
R-H7N-70 70 75 99 83 92 52.0 70.0
R-H7N-75 75 80 104 88 97 52.0 70.0
R-H7N-80 80 85 109 95 105 51.8 70.0
R-H7N-85 85 90 114 100 110 56.8 75.0
R-H7N-90 90 95 119 105 115 56.8 75.0
R-H7N-95 95 100 124 110 120 57.8 75.0
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