Mechanical Seals U300N

Mechanical Seal for plain shafts, spring rotating

  • Single seal
  • Unbalanced
  • Conical spring
  • Dependent of direction of rotation

The U300N mechanical seals are popular. Extremely rugged and reliable, they cover a wide spectrum of applications – in water pumps, sewage pumps, submerged pumps, chemical pumps, etc.

Operating Range

d1 = 6 ... 80 mm 0.25"...3.125"
p1 = 10 bar 145 PSI
t = -20 ... 180°C - 4°F...355°F
vg = 10 (15) m/s 33 (50) ft/s

Details

Item Part No - DIN 24250 Description 
1.1 472 Seal face
1.2 412.1 O-Ring
1.3 474 Thrust ring
1.4 478 Right Hand Spring
1.4 479 Left Hand Spring
2 475 Seat (G9)
3 412.5 O-Ring

U300N
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