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Mechanical seal R-156

Mechanical seal R-156

The pump shaft seal R-156 – is single, with a central spring, unbalanced.

It is often used in pumps Wilo PB-088EA, PB-201EA, PB-250SEA, PB 400EA, Wilo PU-462EAH, Wilo PU-S400E.

Temperature: -20°~80°

Pressure: ≤0.4 MPa

Speed: ≤10 m/sec

Materials:

  • Rotary ring: Carbon;
  • Stationary ring: Ceramic;
  • Bellows: NBR/EPDM/VITON.
d1 (H6) d3 (Max) d7 (h8) L3 (±0.5) L4
8 16,00 18,00 11,50 6,50
9 20,00 21,00 16,50 6,50
10 20,00 22,00 16,50 6,50
11 20,00 24,00 16,50 6,50
12 22,50 26,00 17,50 6,50
13 22,50 26,00 17,00 7,00
14 24,50 28,00 18,00 7,00
15 24,50 28,00 18,00 7,00
16 28,50 32,00 19,00 8,00
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